golint style tweaks

* update-bootstrap:
  Fix checkbox breakage in Settings dialog
  Update bootstrap

.mailmap

@@ -0,0 +1 @@
+NICKS

AUTHORS

@@ -5,7 +5,7 @@ Alexander Graf <register-github@alex-graf.de>
 Andrew Dunham <andrew@du.nham.ca>
 Audrius Butkevicius <audrius.butkevicius@gmail.com>
 Arthur Axel fREW Schmidt <frew@afoolishmanifesto.com> <frioux@gmail.com>
-Ben Schulz <ueomkail@gmail.com>
+Ben Schulz <ueomkail@gmail.com> <uok@users.noreply.github.com>
 Ben Sidhom <bsidhom@gmail.com>
 Brandon Philips <brandon@ifup.org>
 Caleb Callaway <enlightened.despot@gmail.com>

Godeps/Godeps.json

@@ -6,8 +6,8 @@
 	],
 	"Deps": [
 		{
-			"ImportPath": "github.com/AudriusButkevicius/lrufdcache",
-			"Rev": "9bddff8f67224ab3e7d80525a6ae9bcf1ce10769"
+			"ImportPath": "github.com/AudriusButkevicius/lfu-go",
+			"Rev": "164bcecceb92fd6037f4d18a8d97b495ec6ef669"
 		},
 		{
 			"ImportPath": "github.com/bkaradzic/go-lz4",
@@ -25,10 +25,6 @@
 			"ImportPath": "github.com/calmh/xdr",
 			"Rev": "45c46b7db7ff83b8b9ee09bbd95f36ab50043ece"
 		},
-		{
-			"ImportPath": "github.com/golang/groupcache/lru",
-			"Rev": "f391194b967ae0d21deadc861ea87120d9687447"
-		},
 		{
 			"ImportPath": "github.com/juju/ratelimit",
 			"Rev": "f9f36d11773655c0485207f0ad30dc2655f69d56"

Godeps/_workspace/src/github.com/AudriusButkevicius/lfu-go/LICENSE

@@ -0,0 +1,19 @@
+Copyright (C) 2012 Dave Grijalva
+
+Permission is hereby granted, free of charge, to any person obtaining a 
+copy of this software and associated documentation files (the "Software"), 
+to deal in the Software without restriction, including without limitation 
+the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+and/or sell copies of the Software, and to permit persons to whom the 
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included 
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 
+THE SOFTWARE.

Godeps/_workspace/src/github.com/AudriusButkevicius/lfu-go/README.md

@@ -0,0 +1,19 @@
+A simple LFU cache for golang.  Based on the paper [An O(1) algorithm for implementing the LFU cache eviction scheme](http://dhruvbird.com/lfu.pdf).
+
+Usage:
+
+```go
+import "github.com/dgrijalva/lfu-go"
+
+// Make a new thing
+c := lfu.New()
+
+// Set some values
+c.Set("myKey", myValue)
+
+// Retrieve some values
+myValue = c.Get("myKey")
+
+// Evict some values
+c.Evict(1)
+```

Godeps/_workspace/src/github.com/AudriusButkevicius/lfu-go/lfu.go

@@ -0,0 +1,156 @@
+package lfu
+
+import (
+	"container/list"
+	"sync"
+)
+
+type Eviction struct {
+	Key   string
+	Value interface{}
+}
+
+type Cache struct {
+	// If len > UpperBound, cache will automatically evict
+	// down to LowerBound.  If either value is 0, this behavior
+	// is disabled.
+	UpperBound      int
+	LowerBound      int
+	values          map[string]*cacheEntry
+	freqs           *list.List
+	len             int
+	lock            *sync.Mutex
+	EvictionChannel chan<- Eviction
+}
+
+type cacheEntry struct {
+	key      string
+	value    interface{}
+	freqNode *list.Element
+}
+
+type listEntry struct {
+	entries map[*cacheEntry]byte
+	freq    int
+}
+
+func New() *Cache {
+	c := new(Cache)
+	c.values = make(map[string]*cacheEntry)
+	c.freqs = list.New()
+	c.lock = new(sync.Mutex)
+	return c
+}
+
+func (c *Cache) Get(key string) interface{} {
+	c.lock.Lock()
+	defer c.lock.Unlock()
+	if e, ok := c.values[key]; ok {
+		c.increment(e)
+		return e.value
+	}
+	return nil
+}
+
+func (c *Cache) Set(key string, value interface{}) {
+	c.lock.Lock()
+	defer c.lock.Unlock()
+	if e, ok := c.values[key]; ok {
+		// value already exists for key.  overwrite
+		e.value = value
+		c.increment(e)
+	} else {
+		// value doesn't exist.  insert
+		e := new(cacheEntry)
+		e.key = key
+		e.value = value
+		c.values[key] = e
+		c.increment(e)
+		c.len++
+		// bounds mgmt
+		if c.UpperBound > 0 && c.LowerBound > 0 {
+			if c.len > c.UpperBound {
+				c.evict(c.len - c.LowerBound)
+			}
+		}
+	}
+}
+
+func (c *Cache) Len() int {
+	c.lock.Lock()
+	defer c.lock.Unlock()
+	return c.len
+}
+
+func (c *Cache) Evict(count int) int {
+	c.lock.Lock()
+	defer c.lock.Unlock()
+	return c.evict(count)
+}
+
+func (c *Cache) evict(count int) int {
+	// No lock here so it can be called
+	// from within the lock (during Set)
+	var evicted int
+	for i := 0; i < count; {
+		if place := c.freqs.Front(); place != nil {
+			for entry, _ := range place.Value.(*listEntry).entries {
+				if i < count {
+					if c.EvictionChannel != nil {
+						c.EvictionChannel <- Eviction{
+							Key:   entry.key,
+							Value: entry.value,
+						}
+					}
+					delete(c.values, entry.key)
+					c.remEntry(place, entry)
+					evicted++
+					c.len--
+					i++
+				}
+			}
+		}
+	}
+	return evicted
+}
+
+func (c *Cache) increment(e *cacheEntry) {
+	currentPlace := e.freqNode
+	var nextFreq int
+	var nextPlace *list.Element
+	if currentPlace == nil {
+		// new entry
+		nextFreq = 1
+		nextPlace = c.freqs.Front()
+	} else {
+		// move up
+		nextFreq = currentPlace.Value.(*listEntry).freq + 1
+		nextPlace = currentPlace.Next()
+	}
+
+	if nextPlace == nil || nextPlace.Value.(*listEntry).freq != nextFreq {
+		// create a new list entry
+		li := new(listEntry)
+		li.freq = nextFreq
+		li.entries = make(map[*cacheEntry]byte)
+		if currentPlace != nil {
+			nextPlace = c.freqs.InsertAfter(li, currentPlace)
+		} else {
+			nextPlace = c.freqs.PushFront(li)
+		}
+	}
+	e.freqNode = nextPlace
+	nextPlace.Value.(*listEntry).entries[e] = 1
+	if currentPlace != nil {
+		// remove from current position
+		c.remEntry(currentPlace, e)
+	}
+}
+
+func (c *Cache) remEntry(place *list.Element, entry *cacheEntry) {
+	entries := place.Value.(*listEntry).entries
+	delete(entries, entry)
+	if len(entries) == 0 {
+		c.freqs.Remove(place)
+	}
+}

Godeps/_workspace/src/github.com/AudriusButkevicius/lfu-go/lfu_test.go

@@ -0,0 +1,68 @@
+package lfu
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestLFU(t *testing.T) {
+	c := New()
+	c.Set("a", "a")
+	if v := c.Get("a"); v != "a" {
+		t.Errorf("Value was not saved: %v != 'a'", v)
+	}
+	if l := c.Len(); l != 1 {
+		t.Errorf("Length was not updated: %v != 1", l)
+	}
+
+	c.Set("b", "b")
+	if v := c.Get("b"); v != "b" {
+		t.Errorf("Value was not saved: %v != 'b'", v)
+	}
+	if l := c.Len(); l != 2 {
+		t.Errorf("Length was not updated: %v != 2", l)
+	}
+
+	c.Get("a")
+	evicted := c.Evict(1)
+	if v := c.Get("a"); v != "a" {
+		t.Errorf("Value was improperly evicted: %v != 'a'", v)
+	}
+	if v := c.Get("b"); v != nil {
+		t.Errorf("Value was not evicted: %v", v)
+	}
+	if l := c.Len(); l != 1 {
+		t.Errorf("Length was not updated: %v != 1", l)
+	}
+	if evicted != 1 {
+		t.Errorf("Number of evicted items is wrong: %v != 1", evicted)
+	}
+}
+
+func TestBoundsMgmt(t *testing.T) {
+	c := New()
+	c.UpperBound = 10
+	c.LowerBound = 5
+
+	for i := 0; i < 100; i++ {
+		c.Set(fmt.Sprintf("%v", i), i)
+	}
+	if c.Len() > 10 {
+		t.Errorf("Bounds management failed to evict properly: %v", c.Len())
+	}
+}
+
+func TestEviction(t *testing.T) {
+	ch := make(chan Eviction, 1)
+
+	c := New()
+	c.EvictionChannel = ch
+	c.Set("a", "b")
+	c.Evict(1)
+
+	ev := <-ch
+
+	if ev.Key != "a" || ev.Value.(string) != "b" {
+		t.Error("Incorrect item")
+	}
+}

Godeps/_workspace/src/github.com/AudriusButkevicius/lrufdcache/.gitignore

@@ -1,24 +0,0 @@
-# Compiled Object files, Static and Dynamic libs (Shared Objects)
-*.o
-*.a
-*.so
-
-# Folders
-_obj
-_test
-
-# Architecture specific extensions/prefixes
-*.[568vq]
-[568vq].out
-
-*.cgo1.go
-*.cgo2.c
-_cgo_defun.c
-_cgo_gotypes.go
-_cgo_export.*
-
-_testmain.go
-
-*.exe
-*.test
-*.prof

Godeps/_workspace/src/github.com/AudriusButkevicius/lrufdcache/LICENSE

@@ -1,25 +0,0 @@
-This is free and unencumbered software released into the public domain.
-
-Anyone is free to copy, modify, publish, use, compile, sell, or
-distribute this software, either in source code form or as a compiled
-binary, for any purpose, commercial or non-commercial, and by any
-means.
-
-In jurisdictions that recognize copyright laws, the author or authors
-of this software dedicate any and all copyright interest in the
-software to the public domain. We make this dedication for the benefit
-of the public at large and to the detriment of our heirs and
-successors. We intend this dedication to be an overt act of
-relinquishment in perpetuity of all present and future rights to this
-software under copyright law.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
-OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
-
-For more information, please refer to <http://unlicense.org>
-

Godeps/_workspace/src/github.com/AudriusButkevicius/lrufdcache/README.md

@@ -1,4 +0,0 @@
-lrufdcache
-==========
-
-A LRU file descriptor cache

Godeps/_workspace/src/github.com/AudriusButkevicius/lrufdcache/lrufdcache.go

@@ -1,88 +0,0 @@
-// Package logger implements a LRU file descriptor cache for concurrent ReadAt
-// calls.
-package lrufdcache
-
-import (
-	"os"
-	"sync"
-
-	"github.com/golang/groupcache/lru"
-)
-
-// A wrapper around *os.File which counts references
-type CachedFile struct {
-	file *os.File
-	wg   sync.WaitGroup
-	// Locking between file.Close and file.ReadAt
-	// (just to please the race detector...)
-	flock sync.RWMutex
-}
-
-// Tells the cache that we are done using the file, but it's up to the cache
-// to decide when this file will really be closed. The error, if any, will be
-// lost.
-func (f *CachedFile) Close() error {
-	f.wg.Done()
-	return nil
-}
-
-// Read the file at the given offset.
-func (f *CachedFile) ReadAt(buf []byte, at int64) (int, error) {
-	f.flock.RLock()
-	defer f.flock.RUnlock()
-	return f.file.ReadAt(buf, at)
-}
-
-type FileCache struct {
-	cache *lru.Cache
-	mut   sync.Mutex
-}
-
-// Create a new cache with the number of entries to hold.
-func NewCache(entries int) *FileCache {
-	c := FileCache{
-		cache: lru.New(entries),
-	}
-
-	c.cache.OnEvicted = func(key lru.Key, fdi interface{}) {
-		// The file might not have been closed by all openers yet, therefore
-		// spawn a routine which waits for that to happen and then closes the
-		// file.
-		go func(item *CachedFile) {
-			item.wg.Wait()
-			item.flock.Lock()
-			item.file.Close()
-			item.flock.Unlock()
-		}(fdi.(*CachedFile))
-	}
-	return &c
-}
-
-// Open and cache a file descriptor or use an existing cached descriptor for
-// the given path.
-func (c *FileCache) Open(path string) (*CachedFile, error) {
-	// Evictions can only happen during c.cache.Add, and there is a potential
-	// race between c.cache.Get and cfd.wg.Add where if not guarded by a mutex
-	// could result in cfd getting closed before the counter is incremented if
-	// a concurrent routine does a c.cache.Add
-	c.mut.Lock()
-	defer c.mut.Unlock()
-	fdi, ok := c.cache.Get(path)
-	if ok {
-		cfd := fdi.(*CachedFile)
-		cfd.wg.Add(1)
-		return cfd, nil
-	}
-
-	fd, err := os.Open(path)
-	if err != nil {
-		return nil, err
-	}
-	cfd := &CachedFile{
-		file: fd,
-		wg:   sync.WaitGroup{},
-	}
-	cfd.wg.Add(1)
-	c.cache.Add(path, cfd)
-	return cfd, nil
-}

Godeps/_workspace/src/github.com/AudriusButkevicius/lrufdcache/lrufdcache_test.go

@@ -1,195 +0,0 @@
-package lrufdcache
-
-import (
-	"io/ioutil"
-	"os"
-	"sync"
-	"time"
-
-	"testing"
-)
-
-func TestNoopReadFailsOnClosed(t *testing.T) {
-	fd, err := ioutil.TempFile("", "fdcache")
-	if err != nil {
-		t.Fatal(err)
-		return
-	}
-	fd.WriteString("test")
-	fd.Close()
-	buf := make([]byte, 4)
-	defer os.Remove(fd.Name())
-
-	_, err = fd.ReadAt(buf, 0)
-	if err == nil {
-		t.Fatal("Expected error")
-	}
-}
-
-func TestSingleFileEviction(t *testing.T) {
-	c := NewCache(1)
-
-	wg := sync.WaitGroup{}
-
-	fd, err := ioutil.TempFile("", "fdcache")
-	if err != nil {
-		t.Fatal(err)
-		return
-	}
-	fd.WriteString("test")
-	fd.Close()
-	buf := make([]byte, 4)
-	defer os.Remove(fd.Name())
-
-	for k := 0; k < 100; k++ {
-		wg.Add(1)
-		go func() {
-			defer wg.Done()
-
-			cfd, err := c.Open(fd.Name())
-			if err != nil {
-				t.Fatal(err)
-				return
-			}
-			defer cfd.Close()
-
-			_, err = cfd.ReadAt(buf, 0)
-			if err != nil {
-				t.Fatal(err)
-			}
-		}()
-	}
-
-	wg.Wait()
-}
-
-func TestMultifileEviction(t *testing.T) {
-	c := NewCache(1)
-
-	wg := sync.WaitGroup{}
-
-	for k := 0; k < 100; k++ {
-		wg.Add(1)
-		go func() {
-			defer wg.Done()
-
-			fd, err := ioutil.TempFile("", "fdcache")
-			if err != nil {
-				t.Fatal(err)
-				return
-			}
-			fd.WriteString("test")
-			fd.Close()
-			buf := make([]byte, 4)
-			defer os.Remove(fd.Name())
-
-			cfd, err := c.Open(fd.Name())
-			if err != nil {
-				t.Fatal(err)
-				return
-			}
-			defer cfd.Close()
-
-			_, err = cfd.ReadAt(buf, 0)
-			if err != nil {
-				t.Fatal(err)
-			}
-		}()
-	}
-
-	wg.Wait()
-}
-
-func TestMixedEviction(t *testing.T) {
-	c := NewCache(1)
-
-	wg := sync.WaitGroup{}
-	wg2 := sync.WaitGroup{}
-	for i := 0; i < 100; i++ {
-		wg2.Add(1)
-		go func() {
-			defer wg2.Done()
-			fd, err := ioutil.TempFile("", "fdcache")
-			if err != nil {
-				t.Fatal(err)
-				return
-			}
-			fd.WriteString("test")
-			fd.Close()
-			buf := make([]byte, 4)
-
-			for k := 0; k < 100; k++ {
-				wg.Add(1)
-				go func() {
-					defer wg.Done()
-
-					cfd, err := c.Open(fd.Name())
-					if err != nil {
-						t.Fatal(err)
-						return
-					}
-					defer cfd.Close()
-
-					_, err = cfd.ReadAt(buf, 0)
-					if err != nil {
-						t.Fatal(err)
-					}
-				}()
-			}
-		}()
-	}
-
-	wg2.Wait()
-	wg.Wait()
-}
-
-func TestLimit(t *testing.T) {
-	testcase := 50
-	fd, err := ioutil.TempFile("", "fdcache")
-	if err != nil {
-		t.Fatal(err)
-		return
-	}
-	fd.Close()
-	defer os.Remove(fd.Name())
-
-	c := NewCache(testcase)
-	fds := make([]*CachedFile, testcase*2)
-	for i := 0; i < testcase*2; i++ {
-		fd, err := ioutil.TempFile("", "fdcache")
-		if err != nil {
-			t.Fatal(err)
-			return
-		}
-		fd.WriteString("test")
-		fd.Close()
-		defer os.Remove(fd.Name())
-
-		nfd, err := c.Open(fd.Name())
-		if err != nil {
-			t.Fatal(err)
-			return
-		}
-		fds = append(fds, nfd)
-		nfd.Close()
-	}
-
-	// Allow closes to happen
-	time.Sleep(time.Millisecond * 100)
-
-	buf := make([]byte, 4)
-	ok := 0
-	for _, fd := range fds {
-		if fd == nil {
-			continue
-		}
-		_, err := fd.ReadAt(buf, 0)
-		if err == nil {
-			ok++
-		}
-	}
-
-	if ok > testcase {
-		t.Fatal("More than", testcase, "fds open")
-	}
-}

Godeps/_workspace/src/github.com/golang/groupcache/lru/lru.go

@@ -1,121 +0,0 @@
-/*
-Copyright 2013 Google Inc.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-     http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-// Package lru implements an LRU cache.
-package lru
-
-import "container/list"
-
-// Cache is an LRU cache. It is not safe for concurrent access.
-type Cache struct {
-	// MaxEntries is the maximum number of cache entries before
-	// an item is evicted. Zero means no limit.
-	MaxEntries int
-
-	// OnEvicted optionally specificies a callback function to be
-	// executed when an entry is purged from the cache.
-	OnEvicted func(key Key, value interface{})
-
-	ll    *list.List
-	cache map[interface{}]*list.Element
-}
-
-// A Key may be any value that is comparable. See http://golang.org/ref/spec#Comparison_operators
-type Key interface{}
-
-type entry struct {
-	key   Key
-	value interface{}
-}
-
-// New creates a new Cache.
-// If maxEntries is zero, the cache has no limit and it's assumed
-// that eviction is done by the caller.
-func New(maxEntries int) *Cache {
-	return &Cache{
-		MaxEntries: maxEntries,
-		ll:         list.New(),
-		cache:      make(map[interface{}]*list.Element),
-	}
-}
-
-// Add adds a value to the cache.
-func (c *Cache) Add(key Key, value interface{}) {
-	if c.cache == nil {
-		c.cache = make(map[interface{}]*list.Element)
-		c.ll = list.New()
-	}
-	if ee, ok := c.cache[key]; ok {
-		c.ll.MoveToFront(ee)
-		ee.Value.(*entry).value = value
-		return
-	}
-	ele := c.ll.PushFront(&entry{key, value})
-	c.cache[key] = ele
-	if c.MaxEntries != 0 && c.ll.Len() > c.MaxEntries {
-		c.RemoveOldest()
-	}
-}
-
-// Get looks up a key's value from the cache.
-func (c *Cache) Get(key Key) (value interface{}, ok bool) {
-	if c.cache == nil {
-		return
-	}
-	if ele, hit := c.cache[key]; hit {
-		c.ll.MoveToFront(ele)
-		return ele.Value.(*entry).value, true
-	}
-	return
-}
-
-// Remove removes the provided key from the cache.
-func (c *Cache) Remove(key Key) {
-	if c.cache == nil {
-		return
-	}
-	if ele, hit := c.cache[key]; hit {
-		c.removeElement(ele)
-	}
-}
-
-// RemoveOldest removes the oldest item from the cache.
-func (c *Cache) RemoveOldest() {
-	if c.cache == nil {
-		return
-	}
-	ele := c.ll.Back()
-	if ele != nil {
-		c.removeElement(ele)
-	}
-}
-
-func (c *Cache) removeElement(e *list.Element) {
-	c.ll.Remove(e)
-	kv := e.Value.(*entry)
-	delete(c.cache, kv.key)
-	if c.OnEvicted != nil {
-		c.OnEvicted(kv.key, kv.value)
-	}
-}
-
-// Len returns the number of items in the cache.
-func (c *Cache) Len() int {
-	if c.cache == nil {
-		return 0
-	}
-	return c.ll.Len()
-}

Godeps/_workspace/src/github.com/golang/groupcache/lru/lru_test.go

@@ -1,73 +0,0 @@
-/*
-Copyright 2013 Google Inc.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-     http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package lru
-
-import (
-	"testing"
-)
-
-type simpleStruct struct {
-	int
-	string
-}
-
-type complexStruct struct {
-	int
-	simpleStruct
-}
-
-var getTests = []struct {
-	name       string
-	keyToAdd   interface{}
-	keyToGet   interface{}
-	expectedOk bool
-}{
-	{"string_hit", "myKey", "myKey", true},
-	{"string_miss", "myKey", "nonsense", false},
-	{"simple_struct_hit", simpleStruct{1, "two"}, simpleStruct{1, "two"}, true},
-	{"simeple_struct_miss", simpleStruct{1, "two"}, simpleStruct{0, "noway"}, false},
-	{"complex_struct_hit", complexStruct{1, simpleStruct{2, "three"}},
-		complexStruct{1, simpleStruct{2, "three"}}, true},
-}
-
-func TestGet(t *testing.T) {
-	for _, tt := range getTests {
-		lru := New(0)
-		lru.Add(tt.keyToAdd, 1234)
-		val, ok := lru.Get(tt.keyToGet)
-		if ok != tt.expectedOk {
-			t.Fatalf("%s: cache hit = %v; want %v", tt.name, ok, !ok)
-		} else if ok && val != 1234 {
-			t.Fatalf("%s expected get to return 1234 but got %v", tt.name, val)
-		}
-	}
-}
-
-func TestRemove(t *testing.T) {
-	lru := New(0)
-	lru.Add("myKey", 1234)
-	if val, ok := lru.Get("myKey"); !ok {
-		t.Fatal("TestRemove returned no match")
-	} else if val != 1234 {
-		t.Fatalf("TestRemove failed.  Expected %d, got %v", 1234, val)
-	}
-
-	lru.Remove("myKey")
-	if _, ok := lru.Get("myKey"); ok {
-		t.Fatal("TestRemove returned a removed entry")
-	}
-}

NICKS

@@ -0,0 +1,34 @@
+# This file maps email addresses used in commits to nicks used the changelog.
+
+AudriusButkevicius	<audrius.butkevicius@gmail.com>
+KayoticSully	<kayoticsully@gmail.com>
+Nutomic		<me@nutomic.com>
+Vilbrekin	<vilbrekin@gmail.com>
+Zillode		<zillode@zillode.be>
+alex2108	<register-github@alex-graf.de>
+andrew-d	<andrew@du.nham.ca>
+asdil12		<dominik@heidler.eu>
+bigbear2nd	<bigbear2nd@gmail.com>
+bsidhom		<bsidhom@gmail.com>
+calmh		<jakob@nym.se>
+cdata		<chris@scriptolo.gy>
+ceh		<emil@hessman.se>
+cqcallaw	<enlightened.despot@gmail.com>
+filoozoom	<philippe@schommers.be>
+frioux		<frew@afoolishmanifesto.com> <frioux@gmail.com>
+gillisig	<gilli@vx.is>
+jedie		<github.com@jensdiemer.de> <git@jensdiemer.de>
+jpjp		<jamespatterson@operamail.com> <jpjp@users.noreply.github.com>
+kozec		<kozec@kozec.com>
+marcindziadus	<dziadus.marcin@gmail.com>
+mvdan		<mvdan@mvdan.cc>
+philips		<brandon@ifup.org>
+piobpl		<piotrb10@gmail.com>
+pluby		<phill.luby@newredo.com>
+pyfisch		<pyfisch@gmail.com>
+qbit		<qbit@deftly.net>
+seehuhn		<voss@seehuhn.de>
+snnd		<dw@risu.io>
+tojrobinson	<tully@tojr.org>
+uok		<ueomkail@gmail.com> <uok@users.noreply.github.com>
+veeti		<veeti.paananen@rojekti.fi>

build.sh

@@ -2,7 +2,7 @@
 set -euo pipefail
 IFS=$'\n\t'
 
-DOCKERIMGV=1.4-1
+DOCKERIMGV=1.4-4
 
 case "${1:-default}" in
 	default)
@@ -113,7 +113,11 @@ case "${1:-default}" in
 			-v $(pwd):/go/src/github.com/syncthing/syncthing \
 			-w /go/src/github.com/syncthing/syncthing \
 			syncthing/build:$DOCKERIMGV \
-			sh -c './build.sh clean && ./build.sh all && STTRACE=all ./build.sh test-cov'
+			sh -c './build.sh clean \
+				&& go vet ./cmd/... ./internal/... \
+				&& ( golint ./cmd/... ; golint ./internal/... ) | egrep -v "comment on exported|should have comment" \
+				&& ./build.sh all \
+				&& STTRACE=all ./build.sh test-cov'
 		;;
 
 	docker-test)

changelog.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+since="$1"
+if [[ -z $since ]] ; then
+	since="$(git describe --abbrev=0 HEAD^).."
+fi
+
+git log --pretty=format:'* %s (%h, @%aN)' "$since" | egrep 'fixes #\d|ref #\d'
+

check-contrib.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 missing-authors() {
-	for email in $(git log --format=%ae master | sort | uniq) ; do
+	for email in $(git log --format=%ae HEAD | sort | uniq) ; do
 		grep -q "$email" AUTHORS || echo $email
 	done
 }
@@ -13,7 +13,9 @@ no-docs-typos() {
 	grep -v f2459ef3319b2f060dbcdacd0c35a1788a94b8bd |\
 	grep -v b61f418bf2d1f7d5a9d7088a20a2a448e5e66801 |\
 	grep -v f0621207e3953711f9ab86d99724f1d0faac45b1 |\
-	grep -v f1120d7aa936c0658429edef0037792520b46334
+	grep -v f1120d7aa936c0658429edef0037792520b46334 |\
+	grep -v a9339d0627fff439879d157c75077f02c9fac61b |\
+	grep -v 254c63763a3ad42fd82259f1767db526cff94a14
 }
 
 print-missing-authors() {
@@ -23,22 +25,24 @@ print-missing-authors() {
 }
 
 print-missing-copyright() {
-	find . -name \*.go | xargs grep -L 'Copyright (C)' | grep -v Godeps
+	find . -name \*.go | xargs egrep -L 'Copyright \(C\)|automatically generated' | grep -v Godeps | grep -v internal/auto/
 }
 
-print-line-blame() {
-	for f in $(find . -name \*.go | grep -v Godep) gui/app.js gui/index.html ; do
-		git blame --line-porcelain $f | grep author-mail
-	done | sort | uniq -c | sort -n
-}
-echo Author emails missing in AUTHORS file:
-print-missing-authors
-echo
+authors=$(print-missing-authors)
+if [[ ! -z $authors ]] ; then
+	echo '***'
+	echo Author emails not in AUTHORS:
+	echo $authors
+	echo '***'
+	exit 1
+fi
 
-echo Files missing copyright notice:
-print-missing-copyright
-echo
-
-echo Blame lines per author:
-print-line-blame
+copy=$(print-missing-copyright)
+if [[ ! -z $copy ]] ; then
+	echo ***
+	echo Files missing copyright notice:
+	echo $copy
+	echo ***
+	exit 1
+fi
 

cmd/syncthing/gui.go

@@ -70,7 +70,16 @@ func startGUI(cfg config.GUIConfiguration, assetDir string, m *model.Model) erro
 	if err != nil {
 		l.Infoln("Loading HTTPS certificate:", err)
 		l.Infoln("Creating new HTTPS certificate")
-		newCertificate(confDir, "https-")
+
+		// When generating the HTTPS certificate, use the system host name per
+		// default. If that isn't available, use the "syncthing" default.
+		var name string
+		name, err = os.Hostname()
+		if err != nil {
+			name = tlsDefaultCommonName
+		}
+
+		newCertificate(confDir, "https-", name)
 		cert, err = loadCert(confDir, "https-")
 	}
 	if err != nil {
@@ -78,7 +87,20 @@ func startGUI(cfg config.GUIConfiguration, assetDir string, m *model.Model) erro
 	}
 	tlsCfg := &tls.Config{
 		Certificates: []tls.Certificate{cert},
-		ServerName:   "syncthing",
+		MinVersion:   tls.VersionTLS10, // No SSLv3
+		CipherSuites: []uint16{
+			// No RC4
+			tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
+			tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
+			tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
+			tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
+			tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
+			tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
+			tls.TLS_RSA_WITH_AES_128_CBC_SHA,
+			tls.TLS_RSA_WITH_AES_256_CBC_SHA,
+			tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
+			tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
+		},
 	}
 
 	rawListener, err := net.Listen("tcp", cfg.Address)
@@ -108,6 +130,7 @@ func startGUI(cfg config.GUIConfiguration, assetDir string, m *model.Model) erro
 	getRestMux.HandleFunc("/rest/upgrade", restGetUpgrade)
 	getRestMux.HandleFunc("/rest/version", restGetVersion)
 	getRestMux.HandleFunc("/rest/stats/device", withModel(m, restGetDeviceStats))
+	getRestMux.HandleFunc("/rest/stats/folder", withModel(m, restGetFolderStats))
 
 	// Debug endpoints, not for general use
 	getRestMux.HandleFunc("/rest/debug/peerCompletion", withModel(m, restGetPeerCompletion))
@@ -322,6 +345,12 @@ func restGetDeviceStats(m *model.Model, w http.ResponseWriter, r *http.Request)
 	json.NewEncoder(w).Encode(res)
 }
 
+func restGetFolderStats(m *model.Model, w http.ResponseWriter, r *http.Request) {
+	var res = m.FolderStatistics()
+	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+	json.NewEncoder(w).Encode(res)
+}
+
 func restGetConfig(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/json; charset=utf-8")
 	json.NewEncoder(w).Encode(cfg.Raw())
@@ -334,44 +363,44 @@ func restPostConfig(m *model.Model, w http.ResponseWriter, r *http.Request) {
 		l.Warnln("decoding posted config:", err)
 		http.Error(w, err.Error(), 500)
 		return
-	} else {
-		if newCfg.GUI.Password != cfg.GUI().Password {
-			if newCfg.GUI.Password != "" {
-				hash, err := bcrypt.GenerateFromPassword([]byte(newCfg.GUI.Password), 0)
-				if err != nil {
-					l.Warnln("bcrypting password:", err)
-					http.Error(w, err.Error(), 500)
-					return
-				} else {
-					newCfg.GUI.Password = string(hash)
-				}
-			}
-		}
-
-		// Start or stop usage reporting as appropriate
-
-		if curAcc := cfg.Options().URAccepted; newCfg.Options.URAccepted > curAcc {
-			// UR was enabled
-			newCfg.Options.URAccepted = usageReportVersion
-			newCfg.Options.URUniqueID = randomString(6)
-			err := sendUsageReport(m)
-			if err != nil {
-				l.Infoln("Usage report:", err)
-			}
-			go usageReportingLoop(m)
-		} else if newCfg.Options.URAccepted < curAcc {
-			// UR was disabled
-			newCfg.Options.URAccepted = -1
-			newCfg.Options.URUniqueID = ""
-			stopUsageReporting()
-		}
-
-		// Activate and save
-
-		configInSync = !config.ChangeRequiresRestart(cfg.Raw(), newCfg)
-		cfg.Replace(newCfg)
-		cfg.Save()
 	}
+
+	if newCfg.GUI.Password != cfg.GUI().Password {
+		if newCfg.GUI.Password != "" {
+			hash, err := bcrypt.GenerateFromPassword([]byte(newCfg.GUI.Password), 0)
+			if err != nil {
+				l.Warnln("bcrypting password:", err)
+				http.Error(w, err.Error(), 500)
+				return
+			}
+
+			newCfg.GUI.Password = string(hash)
+		}
+	}
+
+	// Start or stop usage reporting as appropriate
+
+	if curAcc := cfg.Options().URAccepted; newCfg.Options.URAccepted > curAcc {
+		// UR was enabled
+		newCfg.Options.URAccepted = usageReportVersion
+		newCfg.Options.URUniqueID = randomString(8)
+		err := sendUsageReport(m)
+		if err != nil {
+			l.Infoln("Usage report:", err)
+		}
+		go usageReportingLoop(m)
+	} else if newCfg.Options.URAccepted < curAcc {
+		// UR was disabled
+		newCfg.Options.URAccepted = -1
+		newCfg.Options.URUniqueID = ""
+		stopUsageReporting()
+	}
+
+	// Activate and save
+
+	configInSync = !config.ChangeRequiresRestart(cfg.Raw(), newCfg)
+	cfg.Replace(newCfg)
+	cfg.Save()
 }
 
 func restGetConfigInSync(w http.ResponseWriter, r *http.Request) {
@@ -598,7 +627,7 @@ func restPostUpgrade(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if upgrade.CompareVersions(rel.Tag, Version) == 1 {
-		err = upgrade.UpgradeTo(rel)
+		err = upgrade.To(rel)
 		if err != nil {
 			l.Warnln("upgrading:", err)
 			http.Error(w, err.Error(), 500)

cmd/syncthing/gui_csrf.go

@@ -17,8 +17,6 @@ package main
 
 import (
 	"bufio"
-	"crypto/rand"
-	"encoding/base64"
 	"fmt"
 	"net/http"
 	"os"
@@ -88,7 +86,7 @@ func validCsrfToken(token string) bool {
 }
 
 func newCsrfToken() string {
-	token := randomString(30)
+	token := randomString(32)
 
 	csrfMut.Lock()
 	csrfTokens = append(csrfTokens, token)
@@ -140,13 +138,3 @@ func loadCsrfTokens() {
 		csrfTokens = append(csrfTokens, s.Text())
 	}
 }
-
-func randomString(len int) string {
-	bs := make([]byte, len)
-	_, err := rand.Reader.Read(bs)
-	if err != nil {
-		l.Fatalln(err)
-	}
-
-	return base64.StdEncoding.EncodeToString(bs)
-}

cmd/syncthing/main.go

@@ -21,7 +21,6 @@ import (
 	"fmt"
 	"io"
 	"log"
-	"math/rand"
 	"net"
 	"net/http"
 	_ "net/http/pprof"
@@ -103,10 +102,10 @@ func init() {
 }
 
 var (
-	cfg            *config.ConfigWrapper
+	cfg            *config.Wrapper
 	myID           protocol.DeviceID
 	confDir        string
-	logFlags       int = log.Ltime
+	logFlags       = log.Ltime
 	writeRateLimit *ratelimit.Bucket
 	readRateLimit  *ratelimit.Bucket
 	stop           = make(chan int)
@@ -177,10 +176,6 @@ are mostly useful for developers. Use with care.
                available CPU cores.`
 )
 
-func init() {
-	rand.Seed(time.Now().UnixNano())
-}
-
 // Command line and environment options
 var (
 	reset             bool
@@ -266,19 +261,22 @@ func main() {
 		}
 
 		info, err := os.Stat(dir)
-		if err != nil {
-			l.Fatalln("generate:", err)
-		}
-		if !info.IsDir() {
+		if err == nil && !info.IsDir() {
 			l.Fatalln(dir, "is not a directory")
 		}
+		if err != nil && os.IsNotExist(err) {
+			err = os.MkdirAll(dir, 0700)
+			if err != nil {
+				l.Fatalln("generate:", err)
+			}
+		}
 
 		cert, err := loadCert(dir, "")
 		if err == nil {
 			l.Warnln("Key exists; will not overwrite.")
 			l.Infoln("Device ID:", protocol.NewDeviceID(cert.Certificate[0]))
 		} else {
-			newCertificate(dir, "")
+			newCertificate(dir, "", tlsDefaultCommonName)
 			cert, err = loadCert(dir, "")
 			myID = protocol.NewDeviceID(cert.Certificate[0])
 			if err != nil {
@@ -337,15 +335,14 @@ func main() {
 				l.Fatalln("Cannot upgrade, database seems to be locked. Is another copy of Syncthing already running?")
 			}
 
-			err = upgrade.UpgradeTo(rel)
+			err = upgrade.To(rel)
 			if err != nil {
 				l.Fatalln("Upgrade:", err) // exits 1
 			}
 			l.Okf("Upgraded to %q", rel.Tag)
-			return
-		} else {
-			return
 		}
+
+		return
 	}
 
 	if reset {
@@ -376,13 +373,17 @@ func syncthingMain() {
 	// Ensure that that we have a certificate and key.
 	cert, err = loadCert(confDir, "")
 	if err != nil {
-		newCertificate(confDir, "")
+		newCertificate(confDir, "", tlsDefaultCommonName)
 		cert, err = loadCert(confDir, "")
 		if err != nil {
 			l.Fatalln("load cert:", err)
 		}
 	}
 
+	// We reinitialize the predictable RNG with our device ID, to get a
+	// sequence that is always the same but unique to this syncthing instance.
+	predictableRandom.Seed(seedFromBytes(cert.Certificate[0]))
+
 	myID = protocol.NewDeviceID(cert.Certificate[0])
 	l.SetPrefix(fmt.Sprintf("[%s] ", myID.String()[:5]))
 
@@ -574,7 +575,9 @@ func syncthingMain() {
 		if opts.URUniqueID == "" {
 			// Previously the ID was generated from the node ID. We now need
 			// to generate a new one.
-			opts.URUniqueID = randomString(6)
+			opts.URUniqueID = randomString(8)
+			cfg.SetOptions(opts)
+			cfg.Save()
 		}
 		go usageReportingLoop(m)
 		go func() {
@@ -609,7 +612,7 @@ func syncthingMain() {
 	os.Exit(code)
 }
 
-func setupGUI(cfg *config.ConfigWrapper, m *model.Model) {
+func setupGUI(cfg *config.Wrapper, m *model.Model) {
 	opts := cfg.Options()
 	guiCfg := overrideGUIConfig(cfg.GUI(), guiAddress, guiAuthentication, guiAPIKey)
 
@@ -650,7 +653,7 @@ func setupGUI(cfg *config.ConfigWrapper, m *model.Model) {
 	}
 }
 
-func sanityCheckFolders(cfg *config.ConfigWrapper, m *model.Model) {
+func sanityCheckFolders(cfg *config.Wrapper, m *model.Model) {
 nextFolder:
 	for id, folder := range cfg.Folders() {
 		if folder.Invalid != "" {
@@ -755,7 +758,7 @@ func setupUPnP() {
 			if len(igds) > 0 {
 				// Configure the first discovered IGD only. This is a work-around until we have a better mechanism
 				// for handling multiple IGDs, which will require changes to the global discovery service
-				igd = igds[0]
+				igd = &igds[0]
 
 				externalPort = setupExternalPort(igd, port)
 				if externalPort == 0 {
@@ -779,11 +782,8 @@ func setupExternalPort(igd *upnp.IGD, port int) int {
 		return 0
 	}
 
-	// We seed the random number generator with the node ID to get a
-	// repeatable sequence of random external ports.
-	rnd := rand.NewSource(certSeed(cert.Certificate[0]))
 	for i := 0; i < 10; i++ {
-		r := 1024 + int(rnd.Int63()%(65535-1024))
+		r := 1024 + predictableRandom.Intn(65535-1024)
 		err := igd.AddPortMapping(upnp.TCP, r, port, "syncthing", cfg.Options().UPnPLease*60)
 		if err == nil {
 			return r
@@ -806,7 +806,7 @@ func renewUPnP(port int) {
 			if len(igds) > 0 {
 				// Configure the first discovered IGD only. This is a work-around until we have a better mechanism
 				// for handling multiple IGDs, which will require changes to the global discovery service
-				igd = igds[0]
+				igd = &igds[0]
 			} else {
 				if debugNet {
 					l.Debugln("Failed to discover IGD during UPnP port mapping renewal.")
@@ -849,6 +849,17 @@ func renewUPnP(port int) {
 }
 
 func resetFolders() {
+	confDir, err := osutil.ExpandTilde(confDir)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	cfgFile := filepath.Join(confDir, "config.xml")
+	cfg, err := config.Load(cfgFile, myID)
+	if err != nil {
+		log.Fatal(err)
+	}
+
 	suffix := fmt.Sprintf(".syncthing-reset-%d", time.Now().UnixNano())
 	for _, folder := range cfg.Folders() {
 		if _, err := os.Stat(folder.Path); err == nil {
@@ -912,7 +923,7 @@ next:
 				// the certificate and used another name.
 				certName := deviceCfg.CertName
 				if certName == "" {
-					certName = "syncthing"
+					certName = tlsDefaultCommonName
 				}
 				err := remoteCert.VerifyHostname(certName)
 				if err != nil {
@@ -926,12 +937,12 @@ next:
 
 				// If rate limiting is set, we wrap the connection in a
 				// limiter.
-				var wr io.Writer = conn
+				wr := io.Writer(conn)
 				if writeRateLimit != nil {
 					wr = &limitedWriter{conn, writeRateLimit}
 				}
 
-				var rd io.Reader = conn
+				rd := io.Reader(conn)
 				if readRateLimit != nil {
 					rd = &limitedReader{conn, readRateLimit}
 				}
@@ -1004,7 +1015,7 @@ func listenTLS(conns chan *tls.Conn, addr string, tlsCfg *tls.Config) {
 }
 
 func dialTLS(m *model.Model, conns chan *tls.Conn, tlsCfg *tls.Config) {
-	var delay time.Duration = 1 * time.Second
+	delay := time.Second
 	for {
 	nextDevice:
 		for deviceID, deviceCfg := range cfg.Devices() {
@@ -1143,9 +1154,8 @@ func getDefaultConfDir() (string, error) {
 	default:
 		if xdgCfg := os.Getenv("XDG_CONFIG_HOME"); xdgCfg != "" {
 			return filepath.Join(xdgCfg, "syncthing"), nil
-		} else {
-			return osutil.ExpandTilde("~/.config/syncthing")
 		}
+		return osutil.ExpandTilde("~/.config/syncthing")
 	}
 }
 
@@ -1258,7 +1268,7 @@ func autoUpgrade() {
 		}
 
 		l.Infof("Automatic upgrade (current %q < latest %q)", Version, rel.Tag)
-		err = upgrade.UpgradeTo(rel)
+		err = upgrade.To(rel)
 		if err != nil {
 			l.Warnln("Automatic upgrade:", err)
 			continue

cmd/syncthing/random.go

@@ -0,0 +1,68 @@
+// Copyright (C) 2014 The Syncthing Authors.
+//
+// This program is free software: you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+// more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program. If not, see <http://www.gnu.org/licenses/>.
+
+package main
+
+import (
+	"crypto/md5"
+	cryptoRand "crypto/rand"
+	"encoding/binary"
+	"io"
+	mathRand "math/rand"
+)
+
+// randomCharset contains the characters that can make up a randomString().
+const randomCharset = "01234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-"
+
+// predictableRandom is an RNG that will always have the same sequence. It
+// will be seeded with the device ID during startup, so that the sequence is
+// predictable but varies between instances.
+var predictableRandom = mathRand.New(mathRand.NewSource(42))
+
+func init() {
+	// The default RNG should be seeded with something good.
+	mathRand.Seed(randomInt64())
+}
+
+// randomString returns a string of random characters (taken from
+// randomCharset) of the specified length.
+func randomString(l int) string {
+	bs := make([]byte, l)
+	for i := range bs {
+		bs[i] = randomCharset[mathRand.Intn(len(randomCharset))]
+	}
+	return string(bs)
+}
+
+// randomInt64 returns a strongly random int64, slowly
+func randomInt64() int64 {
+	var bs [8]byte
+	_, err := io.ReadFull(cryptoRand.Reader, bs[:])
+	if err != nil {
+		panic("randomness failure: " + err.Error())
+	}
+	return seedFromBytes(bs[:])
+}
+
+// seedFromBytes calculates a weak 64 bit hash from the given byte slice,
+// suitable for use a predictable random seed.
+func seedFromBytes(bs []byte) int64 {
+	h := md5.New()
+	h.Write(bs)
+	s := h.Sum(nil)
+	// The MD5 hash of the byte slice is 16 bytes long. We interpret it as two
+	// uint64s and XOR them together.
+	return int64(binary.BigEndian.Uint64(s[0:]) ^ binary.BigEndian.Uint64(s[8:]))
+}

cmd/syncthing/random_test.go

@@ -0,0 +1,80 @@
+// Copyright (C) 2014 The Syncthing Authors.
+//
+// This program is free software: you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+// more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program. If not, see <http://www.gnu.org/licenses/>.
+
+package main
+
+import "testing"
+
+func TestPredictableRandom(t *testing.T) {
+	// predictable random sequence is predictable
+	e := 3440579354231278675
+	if v := predictableRandom.Int(); v != e {
+		t.Errorf("Unexpected random value %d != %d", v, e)
+	}
+}
+
+func TestSeedFromBytes(t *testing.T) {
+	// should always return the same seed for the same bytes
+	tcs := []struct {
+		bs []byte
+		v  int64
+	}{
+		{[]byte("hello world"), -3639725434188061933},
+		{[]byte("hello worlx"), -2539100776074091088},
+	}
+
+	for _, tc := range tcs {
+		if v := seedFromBytes(tc.bs); v != tc.v {
+			t.Errorf("Unexpected seed value %d != %d", v, tc.v)
+		}
+	}
+}
+
+func TestRandomString(t *testing.T) {
+	for _, l := range []int{0, 1, 2, 3, 4, 8, 42} {
+		s := randomString(l)
+		if len(s) != l {
+			t.Errorf("Incorrect length %d != %d", len(s), l)
+		}
+	}
+
+	strings := make([]string, 1000)
+	for i := range strings {
+		strings[i] = randomString(8)
+		for j := range strings {
+			if i == j {
+				continue
+			}
+			if strings[i] == strings[j] {
+				t.Errorf("Repeated random string %q", strings[i])
+			}
+		}
+	}
+}
+
+func TestRandomInt64(t *testing.T) {
+	ints := make([]int64, 1000)
+	for i := range ints {
+		ints[i] = randomInt64()
+		for j := range ints {
+			if i == j {
+				continue
+			}
+			if ints[i] == ints[j] {
+				t.Errorf("Repeated random int64 %d", ints[i])
+			}
+		}
+	}
+}

cmd/syncthing/tls.go

@@ -19,11 +19,9 @@ import (
 	"bufio"
 	"crypto/rand"
 	"crypto/rsa"
-	"crypto/sha256"
 	"crypto/tls"
 	"crypto/x509"
 	"crypto/x509/pkix"
-	"encoding/binary"
 	"encoding/pem"
 	"io"
 	"math/big"
@@ -35,8 +33,8 @@ import (
 )
 
 const (
-	tlsRSABits = 3072
-	tlsName    = "syncthing"
+	tlsRSABits           = 3072
+	tlsDefaultCommonName = "syncthing"
 )
 
 func loadCert(dir string, prefix string) (tls.Certificate, error) {
@@ -45,15 +43,8 @@ func loadCert(dir string, prefix string) (tls.Certificate, error) {
 	return tls.LoadX509KeyPair(cf, kf)
 }
 
-func certSeed(bs []byte) int64 {
-	hf := sha256.New()
-	hf.Write(bs)
-	id := hf.Sum(nil)
-	return int64(binary.BigEndian.Uint64(id))
-}
-
-func newCertificate(dir string, prefix string) {
-	l.Infoln("Generating RSA key and certificate...")
+func newCertificate(dir, prefix, name string) {
+	l.Infof("Generating RSA key and certificate for %s...", name)
 
 	priv, err := rsa.GenerateKey(rand.Reader, tlsRSABits)
 	if err != nil {
@@ -66,7 +57,7 @@ func newCertificate(dir string, prefix string) {
 	template := x509.Certificate{
 		SerialNumber: new(big.Int).SetInt64(mr.Int63()),
 		Subject: pkix.Name{
-			CommonName: tlsName,
+			CommonName: name,
 		},
 		NotBefore: notBefore,
 		NotAfter:  notAfter,

docker/Dockerfile

@@ -1,12 +1,12 @@
 FROM debian:squeeze
 MAINTAINER Jakob Borg <jakob@nym.se>
 
-ENV GOLANG_VERSION 1.4rc2
+ENV GOLANG_VERSION 1.4
 
 # SCMs for "go get", gcc for cgo
 RUN apt-get update && apt-get install -y \
         ca-certificates curl gcc libc6-dev make \
-        bzr git mercurial unzip \
+        bzr git mercurial unzip patch \
         --no-install-recommends \
 	&& apt-get clean \
         && rm -rf /var/lib/apt/lists/*
@@ -29,7 +29,16 @@ RUN go get github.com/calmh/gonative \
         && rm -rf go \
         && gonative -version $GOLANG_VERSION
 
-# Rebuild the special and missing versions
+# Rebuild the special and missing versions, using patches as appropriate
+
+RUN mkdir /tmp/patches
+ADD *.patch /tmp/patches/
+RUN bash -xec '\
+	cd /usr/local/go ; \
+	for patch in /tmp/patches/*.patch ; do \
+		patch -p0 < "$patch" ; \
+	done \
+	'
 
 RUN bash -xec '\
                 cd /usr/local/go/src; \
@@ -51,6 +60,11 @@ RUN go get github.com/tools/godep \
 	&& go get github.com/axw/gocov/gocov \
 	&& go get github.com/AlekSi/gocov-xml
 
+# Install tools "go vet" and "golint"
+
+RUN go get golang.org/x/tools/cmd/vet \
+        && go get github.com/golang/lint/golint
+
 # Build standard library for race
 
 RUN go install -race std

docker/go-9102.patch

@@ -0,0 +1,22 @@
+--- src/syscall/route_openbsd.go.orig	Fri Jul 25 23:38:47 2014
++++ src/syscall/route_openbsd.go	Fri Jul 25 23:39:20 2014
+@@ -12,16 +12,16 @@ func (any *anyMessage) toRoutingMessage(b []byte) Rout
+ 	switch any.Type {
+ 	case RTM_ADD, RTM_DELETE, RTM_CHANGE, RTM_GET, RTM_LOSING, RTM_REDIRECT, RTM_MISS, RTM_LOCK, RTM_RESOLVE:
+ 		p := (*RouteMessage)(unsafe.Pointer(any))
+-		return &RouteMessage{Header: p.Header, Data: b[SizeofRtMsghdr:any.Msglen]}
++		return &RouteMessage{Header: p.Header, Data: b[p.Header.Hdrlen:any.Msglen]}
+ 	case RTM_IFINFO:
+ 		p := (*InterfaceMessage)(unsafe.Pointer(any))
+-		return &InterfaceMessage{Header: p.Header, Data: b[SizeofIfMsghdr:any.Msglen]}
++		return &InterfaceMessage{Header: p.Header, Data: b[p.Header.Hdrlen:any.Msglen]}
+ 	case RTM_IFANNOUNCE:
+ 		p := (*InterfaceAnnounceMessage)(unsafe.Pointer(any))
+ 		return &InterfaceAnnounceMessage{Header: p.Header}
+ 	case RTM_NEWADDR, RTM_DELADDR:
+ 		p := (*InterfaceAddrMessage)(unsafe.Pointer(any))
+-		return &InterfaceAddrMessage{Header: p.Header, Data: b[SizeofIfaMsghdr:any.Msglen]}
++		return &InterfaceAddrMessage{Header: p.Header, Data: b[p.Header.Hdrlen:any.Msglen]}
+ 	}
+ 	return nil
+ }

gui/assets/lang/lang-bg.json

@@ -8,7 +8,7 @@
     "Allow Anonymous Usage Reporting?": "Разреши анонимен доклад за ползване на програмата?",
     "Anonymous Usage Reporting": "Анонимен Доклад",
     "Any devices configured on an introducer device will be added to this device as well.": "Устройства настроени на introducer компютъра също ще бъдат добавени към този компютър.",
-    "Automatic upgrades": "Automatic upgrades",
+    "Automatic upgrades": "Автоматични ъпдейти",
     "Bugs": "Бъгове",
     "CPU Utilization": "Натоварване на Процесора",
     "Close": "Затвори",
@@ -34,7 +34,7 @@
     "File Versioning": "Файлови Версии",
     "File permission bits are ignored when looking for changes. Use on FAT filesystems.": "Битовете за права за достъп са игнорирани, когато се проверява за промени. Използвай с файлови системи тип FAT.",
     "Files are moved to date stamped versions in a .stversions folder when replaced or deleted by syncthing.": "Когато syncthing замени или изтрие файл той се премества в  .stversions и преименува с дабавени дата и час.",
-    "Files are protected from changes made on other devices, but changes made on this device will be sent to the rest of the cluster.": "Файловете са защитени от промени направени на други устройства, но промени направени на тава устройство ще бъдат синхронизирани до другите устройства.",
+    "Files are protected from changes made on other devices, but changes made on this device will be sent to the rest of the cluster.": "Файловете са защитени от промени направени на други устройства, но промени направени на това устройство ще бъдат синхронизирани с другите устройства.",
     "Folder ID": "Идентификатор на папка",
     "Folder Master": "Главна папка",
     "Folder Path": "Път до папката",
@@ -48,7 +48,7 @@
     "Idle": "Без Работа",
     "Ignore Patterns": "Шаблони за Игнориране",
     "Ignore Permissions": "Игнорирай Права за Достъп",
-    "Incoming Rate Limit (KiB/s)": "Входящ Лимит на Скороста(KiB/s)",
+    "Incoming Rate Limit (KiB/s)": "Входящ Лимит на Скоростта (KiB/s)",
     "Introducer": "Introducer",
     "Inversion of the given condition (i.e. do not exclude)": "Обратното на даденото условие (пр. не изключвай)",
     "Keep Versions": "Пази Версии",
@@ -85,13 +85,13 @@
     "Select the devices to share this folder with.": "Избери устройствата, с които да споделиш тази папка.",
     "Settings": "Настройки",
     "Share With Devices": "Сподели с устройства",
-    "Shared With": "Сподел С",
+    "Shared With": "Споделена със",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Кратък идентификатор на папката. Трябва да бъде същият на всички компютри.",
     "Show ID": "Покажи Идентификатора",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Покажи вместо идентификатор на устройството в статус на клъстъра. Ще бъде предлагано на други комютри като име по подразбиране.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Покажи вместо идентификатор на устройството в статус на клъстъра. Ще бъде обновено с името по подразбиране изпратено от другия компютър.",
     "Shutdown": "Спри Програмата",
-    "Simple File Versioning": "Просто Файлови Версии",
+    "Simple File Versioning": "Опростени Файлови Версии",
     "Single level wildcard (matches within a directory only)": "Маска на едно ниво (покрива само в папка)",
     "Source Code": "Сорс Код",
     "Staggered File Versioning": "Наслагващи се Файлови Версии",

gui/assets/lang/lang-cs.json

@@ -37,7 +37,7 @@
     "Files are protected from changes made on other devices, but changes made on this device will be sent to the rest of the cluster.": "Soubory jsou chráněny před změnami na ostatních přístrojích, ale změny provedené z tohoto umístění budou rozeslány na zbytek clusteru.",
     "Folder ID": "ID adresáře",
     "Folder Master": "Master adresář",
-    "Folder Path": "Cesta adresáře",
+    "Folder Path": "Cesta k adresáři",
     "GUI Authentication Password": "Přihlašovací heslo pro GUI",
     "GUI Authentication User": "Přihlašovací jméno pro GUI",
     "GUI Listen Addresses": "Adresa naslouchání GUI",
@@ -90,7 +90,7 @@
     "Show ID": "Zobrazit ID",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Zobrazeno místo ID přístroje na náhledu stavu clusteru. Bude odesíláno ostatním přístrojům jako dodatečné výchozí jméno.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Zobrazeno místo ID přístroje na náhledu stavu clusteru. Bude aktualizováno na jméno které přístroj odesílá pokud nebylo vyplněno.",
-    "Shutdown": "Vypnutí",
+    "Shutdown": "Vypnout",
     "Simple File Versioning": "Jednoduché verze souborů",
     "Single level wildcard (matches within a directory only)": "Jednoúrovňový zástupný znak (shody pouze uvnitř adresáře)",
     "Source Code": "Zdrojový kód",

gui/assets/lang/lang-de.json

@@ -95,7 +95,7 @@
     "Single level wildcard (matches within a directory only)": "Einzelnes Maskenzeichen (wird für ein einzelnes Verzeichnis verwendet)",
     "Source Code": "Quellcode",
     "Staggered File Versioning": "Stufenweise Dateiversionierung",
-    "Start Browser": "Starte Browser",
+    "Start Browser": "Browser starten",
     "Stopped": "Gestoppt",
     "Support / Forum": "Support / Forum",
     "Sync Protocol Listen Addresses": "Adresse(n) für das Synchronisierungsprotokoll",
@@ -113,7 +113,7 @@
     "The encrypted usage report is sent daily. It is used to track common platforms, folder sizes and app versions. If the reported data set is changed you will be prompted with this dialog again.": "Der verschlüsselte Nutzungsbericht wird täglich gesendet. Er wird benutzt um Statistiken über verwendete Betriebssysteme, Verzeichnis-Größen und Programm-Versionen zu erstellen. Sollte der Bericht in Zukunft weitere Daten erfassen, wird dieses Fenster erneut angezeigt.",
     "The entered device ID does not look valid. It should be a 52 or 56 character string consisting of letters and numbers, with spaces and dashes being optional.": "Die eingegebene Geräte ID scheint nicht gültig zu sein. Es sollte eine 52 oder 56 stellige Zeichenkette aus Buchstaben und Nummern sein. Leerzeichen und Bindestriche sind optional.",
     "The folder ID cannot be blank.": "Die Verzeichnis ID darf nicht leer sein.",
-    "The folder ID must be a short identifier (64 characters or less) consisting of letters, numbers and the dot (.), dash (-) and underscode (_) characters only.": "Die Verzeichnis ID muss eine kurze Kennung (64 Zeichen oder weniger) sein. Sie kann nur aus Buchstaben, Zahlen und den Punkt- (.), Bindestrich- (-), und Unterstrich- (_) Zeichen bestehen.",
+    "The folder ID must be a short identifier (64 characters or less) consisting of letters, numbers and the dot (.), dash (-) and underscode (_) characters only.": "Die Verzeichnis ID muss eine kurze Kennung (64 Zeichen oder weniger) sein. Sie kann nur aus Buchstaben, Zahlen und dem Punkt- (.), Bindestrich- (-), und Unterstrich- (_) Zeichen bestehen.",
     "The folder ID must be unique.": "Die Verzeichnis ID muss eindeutig sein.",
     "The folder path cannot be blank.": "Der Verzeichnispfad kann nicht leer sein",
     "The following intervals are used: for the first hour a version is kept every 30 seconds, for the first day a version is kept every hour, for the first 30 days a version is kept every day, until the maximum age a version is kept every week.": "Es wird in folgenden Abständen versioniert: in der ersten Stunde wird alle 30 Sekunden eine Version behalten, am ersten Tag eine jede Stunde, in den ersten 30 Tagen eine jeden Tag, danach wird bis zum Höchstalter eine Version pro Woche beibehalten.",
@@ -129,7 +129,7 @@
     "Upgrading": "Wird aktualisiert",
     "Upload Rate": "Uploadgeschwindigkeit",
     "Use Compression": "Benutze Komprimierung",
-    "Use HTTPS for GUI": "Benutze HTTPS für Benutzeroberfläche",
+    "Use HTTPS for GUI": "HTTPS für Benutzeroberfläche benutzen",
     "Version": "Version",
     "Versions Path": "Versionierungspfad",
     "Versions are automatically deleted if they are older than the maximum age or exceed the number of files allowed in an interval.": "Alte Versionen werden automatisch gelöscht wenn sie älter als das angegebene Höchstalter sind oder die Höchstzahl der Dateien pro Zeitabschnitt überschritten wird.",

gui/assets/lang/lang-en.json

@@ -57,6 +57,7 @@
    "Introducer": "Introducer",
    "Inversion of the given condition (i.e. do not exclude)": "Inversion of the given condition (i.e. do not exclude)",
    "Keep Versions": "Keep Versions",
+   "Last File Synced": "Last File Synced",
    "Last seen": "Last seen",
    "Latest Release": "Latest Release",
    "Legend:": "Legend:",
@@ -90,7 +91,9 @@
    "Save": "Save",
    "Scanning": "Scanning",
    "Select the devices to share this folder with.": "Select the devices to share this folder with.",
+   "Select the folders to share with this device.": "Select the folders to share with this device.",
    "Settings": "Settings",
+   "Share Folders With Device": "Share Folders With Device",
    "Share With Devices": "Share With Devices",
    "Shared With": "Shared With",
    "Short identifier for the folder. Must be the same on all cluster devices.": "Short identifier for the folder. Must be the same on all cluster devices.",

gui/assets/lang/lang-es.json

@@ -0,0 +1,142 @@
+{
+    "API Key": "Clave API",
+    "About": "Acerca de",
+    "Add Device": "Agregar dispositivo",
+    "Add Folder": "Agregar repositorio",
+    "Address": "Dirección",
+    "Addresses": "Direcciones",
+    "Allow Anonymous Usage Reporting?": "Permitir reporte anónimo de uso?",
+    "Anonymous Usage Reporting": "Reporte anónimo de uso",
+    "Any devices configured on an introducer device will be added to this device as well.": "Cualquier dispositivo configurado en un dispositivo introductor será también agregado a este dispositivo.",
+    "Automatic upgrades": "Actualizaciones automáticas",
+    "Bugs": "Errores",
+    "CPU Utilization": "Uso de la CPU",
+    "Close": "Cerrar",
+    "Comment, when used at the start of a line": "Comentario, cuando es utilizado al inicio de una línea.",
+    "Compression is recommended in most setups.": "La compresión de datos es recomendada para la mayoría de las configuraciones.",
+    "Connection Error": "Error de conexión",
+    "Copyright © 2014 Jakob Borg and the following Contributors:": "Derechos de autor © 2014 Jakob Borg y los siguientes  colaboradores:",
+    "Delete": "Suprimir",
+    "Device ID": "ID del dispositivo",
+    "Device Identification": "Identificación del dispositivo",
+    "Device Name": "Nombre del dispositivo",
+    "Disconnected": "Desconectado",
+    "Documentation": "Documentación",
+    "Download Rate": "Tasa de descarga",
+    "Edit": "Editar",
+    "Edit Device": "Editar dispositivo",
+    "Edit Folder": "Editar repositorio",
+    "Editing": "Editando",
+    "Enable UPnP": "Permitir UPnP",
+    "Enter comma separated \"ip:port\" addresses or \"dynamic\" to perform automatic discovery of the address.": "Ingrese las direcciones \"ip:puerto\" separadas por coma o \"dynamic\" para descubrir automáticamente las direcciones.",
+    "Enter ignore patterns, one per line.": "Añadir patrones de exclusión, uno por línea.",
+    "Error": "Error",
+    "File Versioning": "Control de versiones",
+    "File permission bits are ignored when looking for changes. Use on FAT filesystems.": "Los permisos de archivo son ignorados al buscar cambios. Usar en sistemas de archivos FAT.",
+    "Files are moved to date stamped versions in a .stversions folder when replaced or deleted by syncthing.": "Los archivos son movidos al directorio .stversions y renombrados a versiones marcadas por fecha cuando son reemplazados o eliminados por Syncthing,",
+    "Files are protected from changes made on other devices, but changes made on this device will be sent to the rest of the cluster.": "Los archivos están protegidos frente a los cambios realizados en otros dispositivos, peros los cambios realizados en este dispositivo serán envíados al resto del grupo",
+    "Folder ID": "ID del repositorio",
+    "Folder Master": "Repositorio maestro",
+    "Folder Path": "Ruta del repositorio",
+    "GUI Authentication Password": "Contraseña de autenticación de la GUI",
+    "GUI Authentication User": "Usuario de la GUI",
+    "GUI Listen Addresses": "Direcciones de escucha para la GUI.",
+    "Generate": "Generar",
+    "Global Discovery": "Búsqueda en internet",
+    "Global Discovery Server": "Servidor global de identificación",
+    "Global State": "Estado Global",
+    "Idle": "Inactivo",
+    "Ignore Patterns": "Patrones de exclusión",
+    "Ignore Permissions": "Ignorar permisos",
+    "Incoming Rate Limit (KiB/s)": "Límite de velocidad de entrada (KiB/s)",
+    "Introducer": "Introductor",
+    "Inversion of the given condition (i.e. do not exclude)": "Inversión de la condición dada (es decir, no excluir)",
+    "Keep Versions": "Conservar versiones",
+    "Last seen": "Visto por ultima vez",
+    "Latest Release": "Última versión",
+    "Local Discovery": "Búsqueda en red local",
+    "Local State": "Estado Local",
+    "Maximum Age": "Edad máxima",
+    "Multi level wildcard (matches multiple directory levels)": "Multi level wildcard (matches multiple directory levels)",
+    "Never": "Nunca",
+    "No": "No",
+    "No File Versioning": "Sin control de versiones de archivos",
+    "Notice": "Aviso",
+    "OK": "OK",
+    "Offline": "Fuera de linea",
+    "Online": "En linea",
+    "Out Of Sync": "Fuera de sincronización",
+    "Outgoing Rate Limit (KiB/s)": "Tasa máxima de envío (KiB/s)",
+    "Override Changes": "Reemplazar los cambios",
+    "Path to the folder on the local computer. Will be created if it does not exist. The tilde character (~) can be used as a shortcut for": "Ruta del repositorio en el equipo local. Será creado si no existe. El carácter tilde (~) puede ser utilizado como atajo de ",
+    "Path where versions should be stored (leave empty for the default .stversions folder in the folder).": "Ruta donde serán guardas las versiones (dejar vacío para usar el directorio predifinido \".stversions\" en el repositorio)",
+    "Please wait": "Aguarde por favor",
+    "Preview": "Vista previa",
+    "Preview Usage Report": "Ver reporte de uso",
+    "Quick guide to supported patterns": "Guía rápida sobre los patrones soportados",
+    "RAM Utilization": "Utilización de RAM",
+    "Rescan": "Reescanear",
+    "Rescan Interval": "Intervalo de Reescaneo",
+    "Restart": "Reiniciar",
+    "Restart Needed": "Es necesario reiniciar",
+    "Restarting": "Reiniciando",
+    "Save": "Guardar",
+    "Scanning": "Actualización",
+    "Select the devices to share this folder with.": "Seleccione los dispositivos con los cuales compartir este repositorio.",
+    "Settings": "Configuración",
+    "Share With Devices": "Compartir con los dispositivos",
+    "Shared With": "Compartido con",
+    "Short identifier for the folder. Must be the same on all cluster devices.": "Identificador corto para el repositorio. Debe ser el mismo en todos los dispositivos del grupo.",
+    "Show ID": "Mostrar ID",
+    "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.",
+    "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.",
+    "Shutdown": "Apagar",
+    "Simple File Versioning": "Versiones simple de archivos",
+    "Single level wildcard (matches within a directory only)": "Single level wildcard (matches within a directory only)",
+    "Source Code": "Código fuente",
+    "Staggered File Versioning": "Versiones del archivo escalonado",
+    "Start Browser": "Iniciar navegador",
+    "Stopped": "Parado",
+    "Support / Forum": "Soporte / Foro",
+    "Sync Protocol Listen Addresses": "Dirección de escucha del protocolo de sincronización",
+    "Synchronization": "Sincronización",
+    "Syncing": "Sincronización",
+    "Syncthing has been shut down.": "La sincronización esta apagada",
+    "Syncthing includes the following software or portions thereof:": "Syncthing incluye los siguientes softwares o partes de ellos:",
+    "Syncthing is restarting.": "Syncthing está reiniciando.",
+    "Syncthing is upgrading.": "Syncthing se está actualizando.",
+    "Syncthing seems to be down, or there is a problem with your Internet connection. Retrying…": "Syncthing parece estar apagado, o hay un problema con su conexión de Internet. Reintentando...",
+    "The aggregated statistics are publicly available at {%url%}.": "Las estadísticas acumuladas están públicamente disponibles en {{url}}.",
+    "The configuration has been saved but not activated. Syncthing must restart to activate the new configuration.": "La configuración ha sido guardada pero no activada.\nSyncthing debe reiniciarse para activar la nueva configuración.",
+    "The device ID cannot be blank.": "El ID del dispositivo no puede estar en blanco.",
+    "The device ID to enter here can be found in the \"Edit > Show ID\" dialog on the other device. Spaces and dashes are optional (ignored).": "La ID del dispositivo a introducir se puede encontrar en la opción de menú \"Edición > Mostrar ID\" en el otro dispositivo. Espacios y guiones son opcionales (ignorados).",
+    "The encrypted usage report is sent daily. It is used to track common platforms, folder sizes and app versions. If the reported data set is changed you will be prompted with this dialog again.": "El informe de uso se envía encriptado diariamente. Se utiliza para hacer un seguimiento de plataformas comunes, tamaño de repositorios y versiones de la aplicación. Si el conjunto de datos cambia será notificado mediante este dialogo nuevamente.",
+    "The entered device ID does not look valid. It should be a 52 or 56 character string consisting of letters and numbers, with spaces and dashes being optional.": "La ID del dispositivo introducida no es válida. Debe ser una cadena de 52 o 56 caracteres consistente en letras y números, con espacios y guiones opcionales.",
+    "The folder ID cannot be blank.": "La ID del repositorio no puede estar en blanco.",
+    "The folder ID must be a short identifier (64 characters or less) consisting of letters, numbers and the dot (.), dash (-) and underscode (_) characters only.": "La ID del repositorio debe ser un identificador corto (64 caracteres o menos) consistente solamente en letras, números, punto (.), guion (-) y guion bajo (_).",
+    "The folder ID must be unique.": "La ID del repositorio debe ser única.",
+    "The folder path cannot be blank.": "La ruta del repositorio no puede estar vacía.",
+    "The following intervals are used: for the first hour a version is kept every 30 seconds, for the first day a version is kept every hour, for the first 30 days a version is kept every day, until the maximum age a version is kept every week.": "Los siguientes intervalos se utilizan: para la primera hora una versión se mantiene cada 30 segundos, para el primer día de una versión se mantiene cada hora, durante los primeros 30 días de la versión se mantiene todos los días, hasta que la edad máxima de una versión se mantiene cada semana.",
+    "The maximum age must be a number and cannot be blank.": "La edad máxima debe ser un número y no puede estar en blanco.",
+    "The maximum time to keep a version (in days, set to 0 to keep versions forever).": "El tiempo máximo para mantener una versión (en días, establece en 0 para mantener versiones para siempre).",
+    "The number of old versions to keep, per file.": "El numero de versiones anteriores a conservar, por archivo.",
+    "The number of versions must be a number and cannot be blank.": "El número de versiones debe ser un número y no puede estar vacío.",
+    "The rescan interval must be a non-negative number of seconds.": "El intervalo de reescaneo debe ser un número no negativo de segundos.",
+    "The rescan interval must be at least 5 seconds.": "El intervalo de reescaneo debe ser al menos de 5 segundos.",
+    "Unknown": "Desconocido",
+    "Up to Date": "Actualizado",
+    "Upgrade To {%version%}": "Actualizar a {{version}}",
+    "Upgrading": "Actualizando",
+    "Upload Rate": "Tasa de subida",
+    "Use Compression": "Usar compresión",
+    "Use HTTPS for GUI": "Usar HTTPS para la GUI",
+    "Version": "Versión",
+    "Versions Path": "Ruta de versiones",
+    "Versions are automatically deleted if they are older than the maximum age or exceed the number of files allowed in an interval.": "Las versiones se eliminan automáticamente si son mayores de la edad máxima o mayor que el número de archivos permitidos en un intervalo.",
+    "When adding a new device, keep in mind that this device must be added on the other side too.": "Al agregar un nuevo dispositivo, tenga en cuenta que este dispositivo se debe agregar en el otro lado también.",
+    "When adding a new folder, keep in mind that the Folder ID is used to tie folders together between devices. They are case sensitive and must match exactly between all devices.": "Al agregar un nuevo repositorio, tenga en cuenta que la ID del repositorio se utiliza para conectar los repositorios entre dispositivos. Se distingue entre mayúsculas y minúsculas y debe ser exactamente igual en todos los dispositivos.",
+    "Yes": "Sí",
+    "You must keep at least one version.": "Debe mantener al menos una versión",
+    "full documentation": "documentación completa",
+    "items": "Artículos"
+}

gui/assets/lang/lang-zh-TW.json

@@ -8,7 +8,7 @@
     "Allow Anonymous Usage Reporting?": "允許匿名的使用資訊回報？",
     "Anonymous Usage Reporting": "匿名的使用資訊回報",
     "Any devices configured on an introducer device will be added to this device as well.": "任何在引入者裝置所設置的裝置將會一併新增至此裝置",
-    "Automatic upgrades": "Automatic upgrades",
+    "Automatic upgrades": "自動升級",
     "Bugs": "程式錯誤",
     "CPU Utilization": "CPU 使用率",
     "Close": "關閉",
@@ -121,7 +121,7 @@
     "The maximum time to keep a version (in days, set to 0 to keep versions forever).": "一個版本被保留的最長時間 (單位為天，若設定為 0 則表示永遠保留)。",
     "The number of old versions to keep, per file.": "每個檔案要保留的舊版本數量。",
     "The number of versions must be a number and cannot be blank.": "每個檔案要保留的舊版本數量必須是數字且不能為空白。",
-    "The rescan interval must be a non-negative number of seconds.": "The rescan interval must be a non-negative number of seconds.",
+    "The rescan interval must be a non-negative number of seconds.": "重新掃描間隔必須為一個非負數的秒數。",
     "The rescan interval must be at least 5 seconds.": "重新掃描間隔至少須為 5 秒。",
     "Unknown": "未知",
     "Up to Date": "最新",

gui/assets/lang/valid-langs.js

@@ -1 +1 @@
-var validLangs = ["be","bg","cs","de","en","fr","hu","it","lt","nb","nl","nn","pl","pt-PT","ru","sv","zh-CN","zh-TW"]
+var validLangs = ["be","bg","cs","de","en","es","fr","hu","it","lt","nb","nl","nn","pl","pt-PT","ru","sv","zh-CN","zh-TW"]

gui/index.html

@@ -153,6 +153,14 @@
                       <th><span class="glyphicon glyphicon-share-alt"></span>&emsp;<span translate>Shared With</span></th>
                       <td class="text-right">{{sharesFolder(folder)}}</td>
                     </tr>
+                    <tr ng-if="folderStats[folder.ID].LastFile">
+                      <th><span class="glyphicon glyphicon-transfer"></span>&emsp;<span translate>Last File Synced</span></th>
+                      <td class="text-right">
+                        <span title="{{folderStats[folder.ID].LastFile.Filename}} @ {{folderStats[folder.ID].LastFile.At | date:'yyyy-MM-dd HH:mm'}}">
+                          {{folderStats[folder.ID].LastFile.Filename | basename}}
+                        </span>
+                      </td>
+                    </tr>
                   </tbody>
                 </table>
               </div>
@@ -276,8 +284,8 @@
                     </tr>
                     <tr ng-if="!connections[deviceCfg.DeviceID]">
                       <th><span class="glyphicon glyphicon-eye-open"></span>&emsp;<span translate>Last seen</span></th>
-                      <td translate ng-if="!stats[deviceCfg.DeviceID].LastSeenDays || stats[deviceCfg.DeviceID].LastSeenDays >= 365" class="text-right">Never</td>
-                      <td ng-if="stats[deviceCfg.DeviceID].LastSeenDays < 365" class="text-right">{{stats[deviceCfg.DeviceID].LastSeen | date:"yyyy-MM-dd HH:mm"}}</td>
+                      <td translate ng-if="!deviceStats[deviceCfg.DeviceID].LastSeenDays || deviceStats[deviceCfg.DeviceID].LastSeenDays >= 365" class="text-right">Never</td>
+                      <td ng-if="deviceStats[deviceCfg.DeviceID].LastSeenDays < 365" class="text-right">{{deviceStats[deviceCfg.DeviceID].LastSeen | date:"yyyy-MM-dd HH:mm"}}</td>
                     </tr>
                     <tr ng-if="deviceFolders(deviceCfg).length > 0">
                       <th><span class="glyphicon glyphicon-hdd"></span>&emsp;<span translate>Folders</span></th>
@@ -648,14 +656,14 @@
                   <div class="form-group">
                     <div class="checkbox">
                       <label>
-                        <span translate>Enable UPnP</span> <input id="UPnPEnabled" type="checkbox" ng-model="tmpOptions.UPnPEnabled">
+                        <input id="UPnPEnabled" type="checkbox" ng-model="tmpOptions.UPnPEnabled"> <span translate>Enable UPnP</span>
                       </label>
                     </div>
                   </div>
                   <div class="form-group">
                     <div class="checkbox">
                       <label>
-                        <span translate>Global Discovery</span> <input id="GlobalAnnEnabled" type="checkbox" ng-model="tmpOptions.GlobalAnnEnabled">
+                        <input id="GlobalAnnEnabled" type="checkbox" ng-model="tmpOptions.GlobalAnnEnabled"> <span translate>Global Discovery</span>
                       </label>
                     </div>
                   </div>
@@ -664,14 +672,14 @@
                   <div class="form-group">
                     <div class="checkbox">
                       <label ng-if="upgradeInfo">
-                        <span translate>Automatic upgrades</span> <input id="AutoUpgradeEnabled" type="checkbox" ng-model="tmpOptions.AutoUpgradeEnabled">
+                        <input id="AutoUpgradeEnabled" type="checkbox" ng-model="tmpOptions.AutoUpgradeEnabled"> <span translate>Automatic upgrades</span>
                       </label>
                     </div>
                   </div>
                   <div class="form-group">
                     <div class="checkbox">
                       <label>
-                        <span translate>Local Discovery</span> <input id="LocalAnnEnabled" type="checkbox" ng-model="tmpOptions.LocalAnnEnabled">
+                        <input id="LocalAnnEnabled" type="checkbox" ng-model="tmpOptions.LocalAnnEnabled"> <span translate>Local Discovery</span>
                       </label>
                     </div>
                   </div>
@@ -698,21 +706,21 @@
                 <div class="form-group">
                   <div class="checkbox">
                     <label>
-                      <span translate>Use HTTPS for GUI</span> <input id="UseTLS" type="checkbox" ng-model="tmpGUI.UseTLS">
+                      <input id="UseTLS" type="checkbox" ng-model="tmpGUI.UseTLS"> <span translate>Use HTTPS for GUI</span>
                     </label>
                   </div>
                 </div>
                 <div class="form-group">
                   <div class="checkbox">
                     <label>
-                      <span translate>Start Browser</span> <input id="StartBrowser" type="checkbox" ng-model="tmpOptions.StartBrowser">
+                      <input id="StartBrowser" type="checkbox" ng-model="tmpOptions.StartBrowser"> <span translate>Start Browser</span>
                     </label>
                   </div>
                 </div>
                 <div class="form-group">
                   <div class="checkbox">
                     <label>
-                      <span translate>Anonymous Usage Reporting</span> <input id="UREnabled" type="checkbox" ng-model="tmpOptions.UREnabled"> (<a translate ng-click="showURPreview()" href="#">Preview</a>)
+                      <input id="UREnabled" type="checkbox" ng-model="tmpOptions.UREnabled"> <span translate>Anonymous Usage Reporting</span> (<a translate ng-click="showURPreview()" href="#">Preview</a>)
                     </label>
                   </div>
                 </div>

gui/scripts/syncthing/core/controllers/syncthingController.js

@@ -17,6 +17,7 @@ angular.module('syncthing.core')
             refreshConfig();
             refreshConnectionStats();
             refreshDeviceStats();
+            refreshFolderStats();
 
             $http.get(urlbase + '/version').success(function (data) {
                 $scope.version = data.version;
@@ -52,7 +53,8 @@ angular.module('syncthing.core')
         $scope.folders = {};
         $scope.seenError = '';
         $scope.upgradeInfo = null;
-        $scope.stats = {};
+        $scope.deviceStats = {};
+        $scope.folderStats = {};
         $scope.progress = {};
 
         $(window).bind('beforeunload', function () {
@@ -112,6 +114,7 @@ angular.module('syncthing.core')
         $scope.$on('LocalIndexUpdated', function (event, arg) {
             var data = arg.data;
             refreshFolder(data.folder);
+            refreshFolderStats();
 
             // Update completion status for all devices that we share this folder with.
             $scope.folders[data.folder].Devices.forEach(function (deviceCfg) {
@@ -364,15 +367,27 @@ angular.module('syncthing.core')
 
         var refreshDeviceStats = debounce(function () {
             $http.get(urlbase + "/stats/device").success(function (data) {
-                $scope.stats = data;
-                for (var device in $scope.stats) {
-                    $scope.stats[device].LastSeen = new Date($scope.stats[device].LastSeen);
-                    $scope.stats[device].LastSeenDays = (new Date() - $scope.stats[device].LastSeen) / 1000 / 86400;
+                $scope.deviceStats = data;
+                for (var device in $scope.deviceStats) {
+                    $scope.deviceStats[device].LastSeen = new Date($scope.deviceStats[device].LastSeen);
+                    $scope.deviceStats[device].LastSeenDays = (new Date() - $scope.deviceStats[device].LastSeen) / 1000 / 86400;
                 }
                 console.log("refreshDeviceStats", data);
             });
         }, 500);
 
+        var refreshFolderStats = debounce(function () {
+            $http.get(urlbase + "/stats/folder").success(function (data) {
+                $scope.folderStats = data;
+                for (var folder in $scope.folderStats) {
+                    if ($scope.folderStats[folder].LastFile) {
+                        $scope.folderStats[folder].LastFile.At = new Date($scope.folderStats[folder].LastFile.At);
+                    }
+                }
+                console.log("refreshfolderStats", data);
+            });
+        }, 500);
+
         $scope.refresh = function () {
             refreshSystem();
             refreshConnectionStats();

gui/vendor/bootstrap/fonts/glyphicons-halflings-regular.svg

@@ -28,12 +28,12 @@
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-<glyph unicode="&#x2601;" d="M-14 494q0 -80 56.5 -137t135.5 -57h750q120 0 205 86t85 208q0 120 -85 206.5t-205 86.5q-46 0 -90 -14q-44 97 -134.5 156.5t-200.5 59.5q-152 0 -260 -107.5t-108 -260.5q0 -25 2 -37q-66 -14 -108.5 -67.5t-42.5 -122.5z" />
+<glyph unicode="&#x25fc;" horiz-adv-x="500" d="M0 0z" />
+<glyph unicode="&#x2601;" d="M-14 494q0 -80 56.5 -137t135.5 -57h750q120 0 205 86.5t85 207.5t-85 207t-205 86q-46 0 -90 -14q-44 97 -134.5 156.5t-200.5 59.5q-152 0 -260 -107.5t-108 -260.5q0 -25 2 -37q-66 -14 -108.5 -67.5t-42.5 -122.5z" />
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@@ -46,7 +46,7 @@
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-<glyph unicode="&#xe016;" d="M23 694q0 200 142 342t342 142t342 -142t142 -342q0 -141 -78 -262l300 -299q7 -7 7 -18t-7 -18l-109 -109q-8 -8 -18 -8t-18 8l-300 299q-120 -77 -261 -77q-200 0 -342 142t-142 342zM176 694q0 -136 97 -233t234 -97t233.5 97t96.5 233t-96.5 233t-233.5 97t-234 -97 t-97 -233zM300 601h400v200h-400v-200z" />
+<glyph unicode="&#xe016;" d="M23 694q0 200 142 342t342 142t342 -142t142 -342q0 -141 -78 -262l300 -299q7 -7 7 -18t-7 -18l-109 -109q-8 -8 -18 -8t-18 8l-300 300q-119 -78 -261 -78q-200 0 -342 142t-142 342zM176 694q0 -136 97 -233t234 -97t233.5 97t96.5 233t-96.5 233t-233.5 97t-234 -97 t-97 -233zM300 601h400v200h-400v-200z" />
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gui/vendor/bootstrap/variables.less

@@ -0,0 +1,857 @@
+//
+// Variables
+// --------------------------------------------------
+
+
+//== Colors
+//
+//## Gray and brand colors for use across Bootstrap.
+
+@gray-base:              #000;
+@gray-darker:            lighten(#000, 13.5%); // #222
+@gray-dark:              lighten(#000, 20%);   // #333
+@gray:                   lighten(#000, 33.5%); // #555
+@gray-light:             lighten(#000, 60%);   // #999
+@gray-lighter:           lighten(#000, 93.5%); // #eee
+
+@brand-primary:         #3498db;
+@brand-success:         #2ecc71;
+@brand-info:            #9b59b6;
+@brand-warning:         #f1c40f;
+@brand-danger:          #e74c3c;
+
+
+//== Scaffolding
+//
+
+//** Background color for `<body>`.
+@body-bg:               #fff;
+//** Global text color on `<body>`.
+@text-color:            @gray-dark;
+
+//** Global textual link color.
+@link-color:            @brand-primary;
+//** Link hover color set via `darken()` function.
+@link-hover-color:      darken(@link-color, 15%);
+//** Link hover decoration.
+@link-hover-decoration: underline;
+
+
+//== Typography
+//
+//## Font, line-height, and color for body text, headings, and more.
+
+@font-family-sans-serif:  "Helvetica Neue", Helvetica, Arial, sans-serif;
+@font-family-serif:       Georgia, "Times New Roman", Times, serif;
+//** Default monospace fonts for `<code>`, `<kbd>`, and `<pre>`.
+@font-family-monospace:   Menlo, Monaco, Consolas, "Courier New", monospace;
+@font-family-base:        @font-family-sans-serif;
+
+@font-size-base:          16px;
+@font-size-large:         ceil((@font-size-base * 1.25)); // ~18px
+@font-size-small:         ceil((@font-size-base * 0.85)); // ~12px
+
+@font-size-h1:            floor((@font-size-base * 2.6)); // ~36px
+@font-size-h2:            floor((@font-size-base * 2.15)); // ~30px
+@font-size-h3:            ceil((@font-size-base * 1.7)); // ~24px
+@font-size-h4:            ceil((@font-size-base * 1.25)); // ~18px
+@font-size-h5:            @font-size-base;
+@font-size-h6:            ceil((@font-size-base * 0.85)); // ~12px
+
+//** Unit-less `line-height` for use in components like buttons.
+@line-height-base:        1.428571429; // 20/14
+//** Computed "line-height" (`font-size` * `line-height`) for use with `margin`, `padding`, etc.
+@line-height-computed:    floor((@font-size-base * @line-height-base)); // ~20px
+
+//** By default, this inherits from the `<body>`.
+@headings-font-family:    inherit;
+@headings-font-weight:    400;
+@headings-line-height:    1.1;
+@headings-color:          inherit;
+
+
+//== Iconography
+//
+//## Specify custom location and filename of the included Glyphicons icon font. Useful for those including Bootstrap via Bower.
+
+//** Load fonts from this directory.
+@icon-font-path:          "../fonts/";
+//** File name for all font files.
+@icon-font-name:          "glyphicons-halflings-regular";
+//** Element ID within SVG icon file.
+@icon-font-svg-id:        "glyphicons_halflingsregular";
+
+
+//== Components
+//
+//## Define common padding and border radius sizes and more. Values based on 14px text and 1.428 line-height (~20px to start).
+
+@padding-base-vertical:     6px;
+@padding-base-horizontal:   12px;
+
+@padding-large-vertical:    10px;
+@padding-large-horizontal:  16px;
+
+@padding-small-vertical:    5px;
+@padding-small-horizontal:  10px;
+
+@padding-xs-vertical:       1px;
+@padding-xs-horizontal:     5px;
+
+@line-height-large:         1.33;
+@line-height-small:         1.5;
+
+@border-radius-base:        3px;
+@border-radius-large:       3px;
+@border-radius-small:       0px;
+
+//** Global color for active items (e.g., navs or dropdowns).
+@component-active-color:    #fff;
+//** Global background color for active items (e.g., navs or dropdowns).
+@component-active-bg:       @brand-primary;
+
+//** Width of the `border` for generating carets that indicator dropdowns.
+@caret-width-base:          4px;
+//** Carets increase slightly in size for larger components.
+@caret-width-large:         5px;
+
+
+//== Tables
+//
+//## Customizes the `.table` component with basic values, each used across all table variations.
+
+//** Padding for `<th>`s and `<td>`s.
+@table-cell-padding:            8px;
+//** Padding for cells in `.table-condensed`.
+@table-condensed-cell-padding:  3px;
+
+//** Default background color used for all tables.
+@table-bg:                      transparent;
+//** Background color used for `.table-striped`.
+@table-bg-accent:               #f9f9f9;
+//** Background color used for `.table-hover`.
+@table-bg-hover:                #f5f5f5;
+@table-bg-active:               @table-bg-hover;
+
+//** Border color for table and cell borders.
+@table-border-color:            #ddd;
+
+
+//== Buttons
+//
+//## For each of Bootstrap's buttons, define text, background and border color.
+
+@btn-font-weight:                normal;
+
+@btn-default-color:              #333;
+@btn-default-bg:                 #fff;
+@btn-default-border:             #ccc;
+
+@btn-primary-color:              #fff;
+@btn-primary-bg:                 @brand-primary;
+@btn-primary-border:             darken(@btn-primary-bg, 5%);
+
+@btn-success-color:              #fff;
+@btn-success-bg:                 @brand-success;
+@btn-success-border:             darken(@btn-success-bg, 5%);
+
+@btn-info-color:                 #fff;
+@btn-info-bg:                    @brand-info;
+@btn-info-border:                darken(@btn-info-bg, 5%);
+
+@btn-warning-color:              #fff;
+@btn-warning-bg:                 @brand-warning;
+@btn-warning-border:             darken(@btn-warning-bg, 5%);
+
+@btn-danger-color:               #fff;
+@btn-danger-bg:                  @brand-danger;
+@btn-danger-border:              darken(@btn-danger-bg, 5%);
+
+@btn-link-disabled-color:        @gray-light;
+
+
+//== Forms
+//
+//##
+
+//** `<input>` background color
+@input-bg:                       #fff;
+//** `<input disabled>` background color
+@input-bg-disabled:              @gray-lighter;
+
+//** Text color for `<input>`s
+@input-color:                    @gray;
+//** `<input>` border color
+@input-border:                   #ccc;
+
+// TODO: Rename `@input-border-radius` to `@input-border-radius-base` in v4
+//** Default `.form-control` border radius
+@input-border-radius:            @border-radius-base;
+//** Large `.form-control` border radius
+@input-border-radius-large:      @border-radius-large;
+//** Small `.form-control` border radius
+@input-border-radius-small:      @border-radius-small;
+
+//** Border color for inputs on focus
+@input-border-focus:             #66afe9;
+
+//** Placeholder text color
+@input-color-placeholder:        @gray-light;
+
+//** Default `.form-control` height
+@input-height-base:              (@line-height-computed + (@padding-base-vertical * 2) + 2);
+//** Large `.form-control` height
+@input-height-large:             (ceil(@font-size-large * @line-height-large) + (@padding-large-vertical * 2) + 2);
+//** Small `.form-control` height
+@input-height-small:             (floor(@font-size-small * @line-height-small) + (@padding-small-vertical * 2) + 2);
+
+@legend-color:                   @gray-dark;
+@legend-border-color:            #e5e5e5;
+
+//** Background color for textual input addons
+@input-group-addon-bg:           @gray-lighter;
+//** Border color for textual input addons
+@input-group-addon-border-color: @input-border;
+
+//** Disabled cursor for form controls and buttons.
+@cursor-disabled:                not-allowed;
+
+
+//== Dropdowns
+//
+//## Dropdown menu container and contents.
+
+//** Background for the dropdown menu.
+@dropdown-bg:                    #fff;
+//** Dropdown menu `border-color`.
+@dropdown-border:                rgba(0,0,0,.15);
+//** Dropdown menu `border-color` **for IE8**.
+@dropdown-fallback-border:       #ccc;
+//** Divider color for between dropdown items.
+@dropdown-divider-bg:            #e5e5e5;
+
+//** Dropdown link text color.
+@dropdown-link-color:            @gray-dark;
+//** Hover color for dropdown links.
+@dropdown-link-hover-color:      darken(@gray-dark, 5%);
+//** Hover background for dropdown links.
+@dropdown-link-hover-bg:         #f5f5f5;
+
+//** Active dropdown menu item text color.
+@dropdown-link-active-color:     @component-active-color;
+//** Active dropdown menu item background color.
+@dropdown-link-active-bg:        @component-active-bg;
+
+//** Disabled dropdown menu item background color.
+@dropdown-link-disabled-color:   @gray-light;
+
+//** Text color for headers within dropdown menus.
+@dropdown-header-color:          @gray-light;
+
+//** Deprecated `@dropdown-caret-color` as of v3.1.0
+@dropdown-caret-color:           #000;
+
+
+//-- Z-index master list
+//
+// Warning: Avoid customizing these values. They're used for a bird's eye view
+// of components dependent on the z-axis and are designed to all work together.
+//
+// Note: These variables are not generated into the Customizer.
+
+@zindex-navbar:            1000;
+@zindex-dropdown:          1000;
+@zindex-popover:           1060;
+@zindex-tooltip:           1070;
+@zindex-navbar-fixed:      1030;
+@zindex-modal:             1040;
+
+
+//== Media queries breakpoints
+//
+//## Define the breakpoints at which your layout will change, adapting to different screen sizes.
+
+// Extra small screen / phone
+//** Deprecated `@screen-xs` as of v3.0.1
+@screen-xs:                  480px;
+//** Deprecated `@screen-xs-min` as of v3.2.0
+@screen-xs-min:              @screen-xs;
+//** Deprecated `@screen-phone` as of v3.0.1
+@screen-phone:               @screen-xs-min;
+
+// Small screen / tablet
+//** Deprecated `@screen-sm` as of v3.0.1
+@screen-sm:                  768px;
+@screen-sm-min:              @screen-sm;
+//** Deprecated `@screen-tablet` as of v3.0.1
+@screen-tablet:              @screen-sm-min;
+
+// Medium screen / desktop
+//** Deprecated `@screen-md` as of v3.0.1
+@screen-md:                  992px;
+@screen-md-min:              @screen-md;
+//** Deprecated `@screen-desktop` as of v3.0.1
+@screen-desktop:             @screen-md-min;
+
+// Large screen / wide desktop
+//** Deprecated `@screen-lg` as of v3.0.1
+@screen-lg:                  1200px;
+@screen-lg-min:              @screen-lg;
+//** Deprecated `@screen-lg-desktop` as of v3.0.1
+@screen-lg-desktop:          @screen-lg-min;
+
+// So media queries don't overlap when required, provide a maximum
+@screen-xs-max:              (@screen-sm-min - 1);
+@screen-sm-max:              (@screen-md-min - 1);
+@screen-md-max:              (@screen-lg-min - 1);
+
+
+//== Grid system
+//
+//## Define your custom responsive grid.
+
+//** Number of columns in the grid.
+@grid-columns:              12;
+//** Padding between columns. Gets divided in half for the left and right.
+@grid-gutter-width:         30px;
+// Navbar collapse
+//** Point at which the navbar becomes uncollapsed.
+@grid-float-breakpoint:     @screen-xs-min;
+//** Point at which the navbar begins collapsing.
+@grid-float-breakpoint-max: (@grid-float-breakpoint - 1);
+
+
+//== Container sizes
+//
+//## Define the maximum width of `.container` for different screen sizes.
+
+// Small screen / tablet
+@container-tablet:             (720px + @grid-gutter-width);
+//** For `@screen-sm-min` and up.
+@container-sm:                 @container-tablet;
+
+// Medium screen / desktop
+@container-desktop:            (940px + @grid-gutter-width);
+//** For `@screen-md-min` and up.
+@container-md:                 @container-desktop;
+
+// Large screen / wide desktop
+@container-large-desktop:      (1140px + @grid-gutter-width);
+//** For `@screen-lg-min` and up.
+@container-lg:                 @container-large-desktop;
+
+
+//== Navbar
+//
+//##
+
+// Basics of a navbar
+@navbar-height:                    50px;
+@navbar-margin-bottom:             @line-height-computed;
+@navbar-border-radius:             @border-radius-base;
+@navbar-padding-horizontal:        floor((@grid-gutter-width / 2));
+@navbar-padding-vertical:          ((@navbar-height - @line-height-computed) / 2);
+@navbar-collapse-max-height:       340px;
+
+@navbar-default-color:             #555;
+@navbar-default-bg:                #f8f8f8;
+@navbar-default-border:            darken(@navbar-default-bg, 6.5%);
+
+// Navbar links
+@navbar-default-link-color:                #555;
+@navbar-default-link-hover-color:          #333;
+@navbar-default-link-hover-bg:             transparent;
+@navbar-default-link-active-color:         #555;
+@navbar-default-link-active-bg:            darken(@navbar-default-bg, 6.5%);
+@navbar-default-link-disabled-color:       #ccc;
+@navbar-default-link-disabled-bg:          transparent;
+
+// Navbar brand label
+@navbar-default-brand-color:               @navbar-default-link-color;
+@navbar-default-brand-hover-color:         darken(@navbar-default-brand-color, 10%);
+@navbar-default-brand-hover-bg:            transparent;
+
+// Navbar toggle
+@navbar-default-toggle-hover-bg:           #ddd;
+@navbar-default-toggle-icon-bar-bg:        #888;
+@navbar-default-toggle-border-color:       #ddd;
+
+
+// Inverted navbar
+// Reset inverted navbar basics
+@navbar-inverse-color:                      @gray-light;
+@navbar-inverse-bg:                         #222;
+@navbar-inverse-border:                     darken(@navbar-inverse-bg, 10%);
+
+// Inverted navbar links
+@navbar-inverse-link-color:                 @gray-light;
+@navbar-inverse-link-hover-color:           #fff;
+@navbar-inverse-link-hover-bg:              transparent;
+@navbar-inverse-link-active-color:          @navbar-inverse-link-hover-color;
+@navbar-inverse-link-active-bg:             darken(@navbar-inverse-bg, 10%);
+@navbar-inverse-link-disabled-color:        #444;
+@navbar-inverse-link-disabled-bg:           transparent;
+
+// Inverted navbar brand label
+@navbar-inverse-brand-color:                @navbar-inverse-link-color;
+@navbar-inverse-brand-hover-color:          #fff;
+@navbar-inverse-brand-hover-bg:             transparent;
+
+// Inverted navbar toggle
+@navbar-inverse-toggle-hover-bg:            #333;
+@navbar-inverse-toggle-icon-bar-bg:         #fff;
+@navbar-inverse-toggle-border-color:        #333;
+
+
+//== Navs
+//
+//##
+
+//=== Shared nav styles
+@nav-link-padding:                          10px 15px;
+@nav-link-hover-bg:                         @gray-lighter;
+
+@nav-disabled-link-color:                   @gray-light;
+@nav-disabled-link-hover-color:             @gray-light;
+
+@nav-open-link-hover-color:                 #fff;
+
+//== Tabs
+@nav-tabs-border-color:                     #ddd;
+
+@nav-tabs-link-hover-border-color:          @gray-lighter;
+
+@nav-tabs-active-link-hover-bg:             @body-bg;
+@nav-tabs-active-link-hover-color:          @gray;
+@nav-tabs-active-link-hover-border-color:   #ddd;
+
+@nav-tabs-justified-link-border-color:            #ddd;
+@nav-tabs-justified-active-link-border-color:     @body-bg;
+
+//== Pills
+@nav-pills-border-radius:                   @border-radius-base;
+@nav-pills-active-link-hover-bg:            @component-active-bg;
+@nav-pills-active-link-hover-color:         @component-active-color;
+
+
+//== Pagination
+//
+//##
+
+@pagination-color:                     @link-color;
+@pagination-bg:                        #fff;
+@pagination-border:                    #ddd;
+
+@pagination-hover-color:               @link-hover-color;
+@pagination-hover-bg:                  @gray-lighter;
+@pagination-hover-border:              #ddd;
+
+@pagination-active-color:              #fff;
+@pagination-active-bg:                 @brand-primary;
+@pagination-active-border:             @brand-primary;
+
+@pagination-disabled-color:            @gray-light;
+@pagination-disabled-bg:               #fff;
+@pagination-disabled-border:           #ddd;
+
+
+//== Pager
+//
+//##
+
+@pager-bg:                             @pagination-bg;
+@pager-border:                         @pagination-border;
+@pager-border-radius:                  15px;
+
+@pager-hover-bg:                       @pagination-hover-bg;
+
+@pager-active-bg:                      @pagination-active-bg;
+@pager-active-color:                   @pagination-active-color;
+
+@pager-disabled-color:                 @pagination-disabled-color;
+
+
+//== Jumbotron
+//
+//##
+
+@jumbotron-padding:              30px;
+@jumbotron-color:                inherit;
+@jumbotron-bg:                   @gray-lighter;
+@jumbotron-heading-color:        inherit;
+@jumbotron-font-size:            ceil((@font-size-base * 1.5));
+
+
+//== Form states and alerts
+//
+//## Define colors for form feedback states and, by default, alerts.
+
+@state-success-text:             darken(spin(@brand-success, -10), 5%);
+@state-success-bg:               @brand-success;
+@state-success-border:           darken(spin(@state-success-bg, -10), 5%);
+
+@state-info-text:                darken(spin(@brand-info, -10), 5%);
+@state-info-bg:                  @brand-info;
+@state-info-border:              darken(spin(@state-info-bg, -10), 5%);
+
+@state-warning-text:             darken(spin(@brand-warning, -10), 5%);
+@state-warning-bg:               @brand-warning;
+@state-warning-border:           darken(spin(@state-warning-bg, -10), 5%);
+
+@state-danger-text:              darken(spin(@brand-danger, -10), 5%);
+@state-danger-bg:                @brand-danger;
+@state-danger-border:            darken(spin(@state-danger-bg, -10), 5%);
+
+
+//== Tooltips
+//
+//##
+
+//** Tooltip max width
+@tooltip-max-width:           200px;
+//** Tooltip text color
+@tooltip-color:               #fff;
+//** Tooltip background color
+@tooltip-bg:                  #000;
+@tooltip-opacity:             .9;
+
+//** Tooltip arrow width
+@tooltip-arrow-width:         5px;
+//** Tooltip arrow color
+@tooltip-arrow-color:         @tooltip-bg;
+
+
+//== Popovers
+//
+//##
+
+//** Popover body background color
+@popover-bg:                          #fff;
+//** Popover maximum width
+@popover-max-width:                   276px;
+//** Popover border color
+@popover-border-color:                rgba(0,0,0,.2);
+//** Popover fallback border color
+@popover-fallback-border-color:       #ccc;
+
+//** Popover title background color
+@popover-title-bg:                    darken(@popover-bg, 3%);
+
+//** Popover arrow width
+@popover-arrow-width:                 10px;
+//** Popover arrow color
+@popover-arrow-color:                 @popover-bg;
+
+//** Popover outer arrow width
+@popover-arrow-outer-width:           (@popover-arrow-width + 1);
+//** Popover outer arrow color
+@popover-arrow-outer-color:           fadein(@popover-border-color, 5%);
+//** Popover outer arrow fallback color
+@popover-arrow-outer-fallback-color:  darken(@popover-fallback-border-color, 20%);
+
+
+//== Labels
+//
+//##
+
+//** Default label background color
+@label-default-bg:            @gray-light;
+//** Primary label background color
+@label-primary-bg:            @brand-primary;
+//** Success label background color
+@label-success-bg:            @brand-success;
+//** Info label background color
+@label-info-bg:               @brand-info;
+//** Warning label background color
+@label-warning-bg:            @brand-warning;
+//** Danger label background color
+@label-danger-bg:             @brand-danger;
+
+//** Default label text color
+@label-color:                 #fff;
+//** Default text color of a linked label
+@label-link-hover-color:      #fff;
+
+
+//== Modals
+//
+//##
+
+//** Padding applied to the modal body
+@modal-inner-padding:         15px;
+
+//** Padding applied to the modal title
+@modal-title-padding:         15px;
+//** Modal title line-height
+@modal-title-line-height:     @line-height-base;
+
+//** Background color of modal content area
+@modal-content-bg:                             #fff;
+//** Modal content border color
+@modal-content-border-color:                   rgba(0,0,0,.2);
+//** Modal content border color **for IE8**
+@modal-content-fallback-border-color:          #999;
+
+//** Modal backdrop background color
+@modal-backdrop-bg:           #000;
+//** Modal backdrop opacity
+@modal-backdrop-opacity:      .5;
+//** Modal header border color
+@modal-header-border-color:   #e5e5e5;
+//** Modal footer border color
+@modal-footer-border-color:   @modal-header-border-color;
+
+@modal-lg:                    900px;
+@modal-md:                    600px;
+@modal-sm:                    300px;
+
+
+//== Alerts
+//
+//## Define alert colors, border radius, and padding.
+
+@alert-padding:               15px;
+@alert-border-radius:         @border-radius-base;
+@alert-link-font-weight:      bold;
+
+@alert-success-bg:            @state-success-bg;
+@alert-success-text:          #fff;
+@alert-success-border:        @state-success-border;
+
+@alert-info-bg:               @state-info-bg;
+@alert-info-text:             #fff;
+@alert-info-border:           @state-info-border;
+
+@alert-warning-bg:            @state-warning-bg;
+@alert-warning-text:          #fff;
+@alert-warning-border:        @state-warning-border;
+
+@alert-danger-bg:             @state-danger-bg;
+@alert-danger-text:           #fff;
+@alert-danger-border:         @state-danger-border;
+
+
+//== Progress bars
+//
+//##
+
+//** Background color of the whole progress component
+@progress-bg:                 #f5f5f5;
+//** Progress bar text color
+@progress-bar-color:          #fff;
+//** Variable for setting rounded corners on progress bar.
+@progress-border-radius:      @border-radius-base;
+
+//** Default progress bar color
+@progress-bar-bg:             @brand-primary;
+//** Success progress bar color
+@progress-bar-success-bg:     @brand-success;
+//** Warning progress bar color
+@progress-bar-warning-bg:     @brand-warning;
+//** Danger progress bar color
+@progress-bar-danger-bg:      @brand-danger;
+//** Info progress bar color
+@progress-bar-info-bg:        @brand-info;
+
+
+//== List group
+//
+//##
+
+//** Background color on `.list-group-item`
+@list-group-bg:                 #fff;
+//** `.list-group-item` border color
+@list-group-border:             #ddd;
+//** List group border radius
+@list-group-border-radius:      @border-radius-base;
+
+//** Background color of single list items on hover
+@list-group-hover-bg:           #f5f5f5;
+//** Text color of active list items
+@list-group-active-color:       @component-active-color;
+//** Background color of active list items
+@list-group-active-bg:          @component-active-bg;
+//** Border color of active list elements
+@list-group-active-border:      @list-group-active-bg;
+//** Text color for content within active list items
+@list-group-active-text-color:  lighten(@list-group-active-bg, 40%);
+
+//** Text color of disabled list items
+@list-group-disabled-color:      @gray-light;
+//** Background color of disabled list items
+@list-group-disabled-bg:         @gray-lighter;
+//** Text color for content within disabled list items
+@list-group-disabled-text-color: @list-group-disabled-color;
+
+@list-group-link-color:         #555;
+@list-group-link-hover-color:   @list-group-link-color;
+@list-group-link-heading-color: #333;
+
+
+//== Panels
+//
+//##
+
+@panel-bg:                    #fff;
+@panel-body-padding:          15px;
+@panel-heading-padding:       10px 15px;
+@panel-footer-padding:        @panel-heading-padding;
+@panel-border-radius:         @border-radius-base;
+
+//** Border color for elements within panels
+@panel-inner-border:          #ddd;
+@panel-footer-bg:             #f5f5f5;
+
+@panel-default-text:          @gray-dark;
+@panel-default-border:        #ddd;
+@panel-default-heading-bg:    #f5f5f5;
+
+@panel-primary-text:          #fff;
+@panel-primary-border:        @brand-primary;
+@panel-primary-heading-bg:    @brand-primary;
+
+@panel-success-text:          #fff;
+@panel-success-border:        @state-success-border;
+@panel-success-heading-bg:    @state-success-bg;
+
+@panel-info-text:             #fff;
+@panel-info-border:           @state-info-border;
+@panel-info-heading-bg:       @state-info-bg;
+
+@panel-warning-text:          #fff;
+@panel-warning-border:        @state-warning-border;
+@panel-warning-heading-bg:    @state-warning-bg;
+
+@panel-danger-text:           #fff;
+@panel-danger-border:         @state-danger-border;
+@panel-danger-heading-bg:     @state-danger-bg;
+
+
+//== Thumbnails
+//
+//##
+
+//** Padding around the thumbnail image
+@thumbnail-padding:           4px;
+//** Thumbnail background color
+@thumbnail-bg:                @body-bg;
+//** Thumbnail border color
+@thumbnail-border:            #ddd;
+//** Thumbnail border radius
+@thumbnail-border-radius:     @border-radius-base;
+
+//** Custom text color for thumbnail captions
+@thumbnail-caption-color:     @text-color;
+//** Padding around the thumbnail caption
+@thumbnail-caption-padding:   9px;
+
+
+//== Wells
+//
+//##
+
+@well-bg:                     #f5f5f5;
+@well-border:                 darken(@well-bg, 7%);
+
+
+//== Badges
+//
+//##
+
+@badge-color:                 #fff;
+//** Linked badge text color on hover
+@badge-link-hover-color:      #fff;
+@badge-bg:                    @gray-light;
+
+//** Badge text color in active nav link
+@badge-active-color:          @link-color;
+//** Badge background color in active nav link
+@badge-active-bg:             #fff;
+
+@badge-font-weight:           bold;
+@badge-line-height:           1;
+@badge-border-radius:         10px;
+
+
+//== Breadcrumbs
+//
+//##
+
+@breadcrumb-padding-vertical:   8px;
+@breadcrumb-padding-horizontal: 15px;
+//** Breadcrumb background color
+@breadcrumb-bg:                 #f5f5f5;
+//** Breadcrumb text color
+@breadcrumb-color:              #ccc;
+//** Text color of current page in the breadcrumb
+@breadcrumb-active-color:       @gray-light;
+//** Textual separator for between breadcrumb elements
+@breadcrumb-separator:          "/";
+
+
+//== Carousel
+//
+//##
+
+@carousel-text-shadow:                        0 1px 2px rgba(0,0,0,.6);
+
+@carousel-control-color:                      #fff;
+@carousel-control-width:                      15%;
+@carousel-control-opacity:                    .5;
+@carousel-control-font-size:                  20px;
+
+@carousel-indicator-active-bg:                #fff;
+@carousel-indicator-border-color:             #fff;
+
+@carousel-caption-color:                      #fff;
+
+
+//== Close
+//
+//##
+
+@close-font-weight:           bold;
+@close-color:                 #000;
+@close-text-shadow:           0 1px 0 #fff;
+
+
+//== Code
+//
+//##
+
+@code-color:                  #c7254e;
+@code-bg:                     #f9f2f4;
+
+@kbd-color:                   #fff;
+@kbd-bg:                      #333;
+
+@pre-bg:                      #f5f5f5;
+@pre-color:                   @gray-dark;
+@pre-border-color:            #ccc;
+@pre-scrollable-max-height:   340px;
+
+
+//== Type
+//
+//##
+
+//** Horizontal offset for forms and lists.
+@component-offset-horizontal: 180px;
+//** Text muted color
+@text-muted:                  @gray-light;
+//** Abbreviations and acronyms border color
+@abbr-border-color:           @gray-light;
+//** Headings small color
+@headings-small-color:        @gray-light;
+//** Blockquote small color
+@blockquote-small-color:      @gray-light;
+//** Blockquote font size
+@blockquote-font-size:        (@font-size-base * 1.25);
+//** Blockquote border color
+@blockquote-border-color:     @gray-lighter;
+//** Page header border color
+@page-header-border-color:    @gray-lighter;
+//** Width of horizontal description list titles
+@dl-horizontal-offset:        @component-offset-horizontal;
+//** Horizontal line color.
+@hr-border:                   @gray-lighter;

internal/config/config.go

@@ -92,13 +92,13 @@ func (f *FolderConfiguration) HasMarker() bool {
 	return true
 }
 
-func (r *FolderConfiguration) DeviceIDs() []protocol.DeviceID {
-	if r.deviceIDs == nil {
-		for _, n := range r.Devices {
-			r.deviceIDs = append(r.deviceIDs, n.DeviceID)
+func (f *FolderConfiguration) DeviceIDs() []protocol.DeviceID {
+	if f.deviceIDs == nil {
+		for _, n := range f.Devices {
+			f.deviceIDs = append(f.deviceIDs, n.DeviceID)
 		}
 	}
-	return r.deviceIDs
+	return f.deviceIDs
 }
 
 type VersioningConfiguration struct {

internal/config/wrapper.go

@@ -42,7 +42,7 @@ func (fn HandlerFunc) Changed(cfg Configuration) error {
 // A wrapper around a Configuration that manages loads, saves and published
 // notifications of changes to registered Handlers
 
-type ConfigWrapper struct {
+type Wrapper struct {
 	cfg  Configuration
 	path string
 
@@ -57,8 +57,8 @@ type ConfigWrapper struct {
 
 // Wrap wraps an existing Configuration structure and ties it to a file on
 // disk.
-func Wrap(path string, cfg Configuration) *ConfigWrapper {
-	w := &ConfigWrapper{cfg: cfg, path: path}
+func Wrap(path string, cfg Configuration) *Wrapper {
+	w := &Wrapper{cfg: cfg, path: path}
 	w.replaces = make(chan Configuration)
 	go w.Serve()
 	return w
@@ -66,7 +66,7 @@ func Wrap(path string, cfg Configuration) *ConfigWrapper {
 
 // Load loads an existing file on disk and returns a new configuration
 // wrapper.
-func Load(path string, myID protocol.DeviceID) (*ConfigWrapper, error) {
+func Load(path string, myID protocol.DeviceID) (*Wrapper, error) {
 	fd, err := os.Open(path)
 	if err != nil {
 		return nil, err
@@ -84,7 +84,7 @@ func Load(path string, myID protocol.DeviceID) (*ConfigWrapper, error) {
 // Serve handles configuration replace events and calls any interested
 // handlers. It is started automatically by Wrap() and Load() and should not
 // be run manually.
-func (w *ConfigWrapper) Serve() {
+func (w *Wrapper) Serve() {
 	for cfg := range w.replaces {
 		w.sMut.Lock()
 		subs := w.subs
@@ -97,25 +97,25 @@ func (w *ConfigWrapper) Serve() {
 
 // Stop stops the Serve() loop. Set and Replace operations will panic after a
 // Stop.
-func (w *ConfigWrapper) Stop() {
+func (w *Wrapper) Stop() {
 	close(w.replaces)
 }
 
 // Subscribe registers the given handler to be called on any future
 // configuration changes.
-func (w *ConfigWrapper) Subscribe(h Handler) {
+func (w *Wrapper) Subscribe(h Handler) {
 	w.sMut.Lock()
 	w.subs = append(w.subs, h)
 	w.sMut.Unlock()
 }
 
 // Raw returns the currently wrapped Configuration object.
-func (w *ConfigWrapper) Raw() Configuration {
+func (w *Wrapper) Raw() Configuration {
 	return w.cfg
 }
 
 // Replace swaps the current configuration object for the given one.
-func (w *ConfigWrapper) Replace(cfg Configuration) {
+func (w *Wrapper) Replace(cfg Configuration) {
 	w.mut.Lock()
 	defer w.mut.Unlock()
 
@@ -127,7 +127,7 @@ func (w *ConfigWrapper) Replace(cfg Configuration) {
 
 // Devices returns a map of devices. Device structures should not be changed,
 // other than for the purpose of updating via SetDevice().
-func (w *ConfigWrapper) Devices() map[protocol.DeviceID]DeviceConfiguration {
+func (w *Wrapper) Devices() map[protocol.DeviceID]DeviceConfiguration {
 	w.mut.Lock()
 	defer w.mut.Unlock()
 	if w.deviceMap == nil {
@@ -141,7 +141,7 @@ func (w *ConfigWrapper) Devices() map[protocol.DeviceID]DeviceConfiguration {
 
 // SetDevice adds a new device to the configuration, or overwrites an existing
 // device with the same ID.
-func (w *ConfigWrapper) SetDevice(dev DeviceConfiguration) {
+func (w *Wrapper) SetDevice(dev DeviceConfiguration) {
 	w.mut.Lock()
 	defer w.mut.Unlock()
 
@@ -161,7 +161,7 @@ func (w *ConfigWrapper) SetDevice(dev DeviceConfiguration) {
 
 // Devices returns a map of folders. Folder structures should not be changed,
 // other than for the purpose of updating via SetFolder().
-func (w *ConfigWrapper) Folders() map[string]FolderConfiguration {
+func (w *Wrapper) Folders() map[string]FolderConfiguration {
 	w.mut.Lock()
 	defer w.mut.Unlock()
 	if w.folderMap == nil {
@@ -181,7 +181,7 @@ func (w *ConfigWrapper) Folders() map[string]FolderConfiguration {
 
 // SetFolder adds a new folder to the configuration, or overwrites an existing
 // folder with the same ID.
-func (w *ConfigWrapper) SetFolder(fld FolderConfiguration) {
+func (w *Wrapper) SetFolder(fld FolderConfiguration) {
 	w.mut.Lock()
 	defer w.mut.Unlock()
 
@@ -200,14 +200,14 @@ func (w *ConfigWrapper) SetFolder(fld FolderConfiguration) {
 }
 
 // Options returns the current options configuration object.
-func (w *ConfigWrapper) Options() OptionsConfiguration {
+func (w *Wrapper) Options() OptionsConfiguration {
 	w.mut.Lock()
 	defer w.mut.Unlock()
 	return w.cfg.Options
 }
 
 // SetOptions replaces the current options configuration object.
-func (w *ConfigWrapper) SetOptions(opts OptionsConfiguration) {
+func (w *Wrapper) SetOptions(opts OptionsConfiguration) {
 	w.mut.Lock()
 	defer w.mut.Unlock()
 	w.cfg.Options = opts
@@ -215,14 +215,14 @@ func (w *ConfigWrapper) SetOptions(opts OptionsConfiguration) {
 }
 
 // GUI returns the current GUI configuration object.
-func (w *ConfigWrapper) GUI() GUIConfiguration {
+func (w *Wrapper) GUI() GUIConfiguration {
 	w.mut.Lock()
 	defer w.mut.Unlock()
 	return w.cfg.GUI
 }
 
 // SetGUI replaces the current GUI configuration object.
-func (w *ConfigWrapper) SetGUI(gui GUIConfiguration) {
+func (w *Wrapper) SetGUI(gui GUIConfiguration) {
 	w.mut.Lock()
 	defer w.mut.Unlock()
 	w.cfg.GUI = gui
@@ -230,7 +230,7 @@ func (w *ConfigWrapper) SetGUI(gui GUIConfiguration) {
 }
 
 // InvalidateFolder sets the invalid marker on the given folder.
-func (w *ConfigWrapper) InvalidateFolder(id string, err string) {
+func (w *Wrapper) InvalidateFolder(id string, err string) {
 	w.mut.Lock()
 	defer w.mut.Unlock()
 
@@ -246,7 +246,7 @@ func (w *ConfigWrapper) InvalidateFolder(id string, err string) {
 }
 
 // Save writes the configuration to disk, and generates a ConfigSaved event.
-func (w *ConfigWrapper) Save() error {
+func (w *Wrapper) Save() error {
 	fd, err := ioutil.TempFile(filepath.Dir(w.path), "cfg")
 	if err != nil {
 		return err

internal/events/events.go

@@ -86,7 +86,7 @@ const BufferSize = 64
 
 type Logger struct {
 	subs   map[int]*Subscription
-	nextId int
+	nextID int
 	mutex  sync.Mutex
 }
 
@@ -120,15 +120,15 @@ func NewLogger() *Logger {
 func (l *Logger) Log(t EventType, data interface{}) {
 	l.mutex.Lock()
 	if debug {
-		dl.Debugln("log", l.nextId, t.String(), data)
+		dl.Debugln("log", l.nextID, t.String(), data)
 	}
 	e := Event{
-		ID:   l.nextId,
+		ID:   l.nextID,
 		Time: time.Now(),
 		Type: t,
 		Data: data,
 	}
-	l.nextId++
+	l.nextID++
 	for _, s := range l.subs {
 		if s.mask&t != 0 {
 			select {
@@ -148,10 +148,10 @@ func (l *Logger) Subscribe(mask EventType) *Subscription {
 	}
 	s := &Subscription{
 		mask:   mask,
-		id:     l.nextId,
+		id:     l.nextID,
 		events: make(chan Event, BufferSize),
 	}
-	l.nextId++
+	l.nextID++
 	l.subs[s.id] = s
 	l.mutex.Unlock()
 	return s

internal/files/blockmap.go

@@ -126,7 +126,7 @@ type BlockFinder struct {
 	mut     sync.RWMutex
 }
 
-func NewBlockFinder(db *leveldb.DB, cfg *config.ConfigWrapper) *BlockFinder {
+func NewBlockFinder(db *leveldb.DB, cfg *config.Wrapper) *BlockFinder {
 	if blockFinder != nil {
 		return blockFinder
 	}

internal/ignore/cache_test.go

@@ -25,7 +25,7 @@ func TestCache(t *testing.T) {
 
 	res, ok := c.get("nonexistent")
 	if res != false || ok != false {
-		t.Error("res %v, ok %v for nonexistent item", res, ok)
+		t.Errorf("res %v, ok %v for nonexistent item", res, ok)
 	}
 
 	// Set and check some items

internal/ignore/ignore.go

@@ -169,9 +169,8 @@ func parseIgnoreFile(fd io.Reader, currentFile string, seen map[string]bool) (*M
 			includes, err := loadIgnoreFile(includeFile, seen)
 			if err != nil {
 				return err
-			} else {
-				exps.patterns = append(exps.patterns, includes.patterns...)
 			}
+			exps.patterns = append(exps.patterns, includes.patterns...)
 		} else {
 			// Path name or pattern, add it so it matches files both in
 			// current directory and subdirs.

internal/model/deviceactivity.go

@@ -37,7 +37,7 @@ func newDeviceActivity() *deviceActivity {
 
 func (m *deviceActivity) leastBusy(availability []protocol.DeviceID) protocol.DeviceID {
 	m.mut.Lock()
-	var low int = 2<<30 - 1
+	low := 2<<30 - 1
 	var selected protocol.DeviceID
 	for _, device := range availability {
 		if usage := m.act[device]; usage < low {

internal/model/deviceactivity_test.go

@@ -22,9 +22,9 @@ import (
 )
 
 func TestDeviceActivity(t *testing.T) {
-	n0 := protocol.DeviceID{1, 2, 3, 4}
-	n1 := protocol.DeviceID{5, 6, 7, 8}
-	n2 := protocol.DeviceID{9, 10, 11, 12}
+	n0 := protocol.DeviceID([32]byte{1, 2, 3, 4})
+	n1 := protocol.DeviceID([32]byte{5, 6, 7, 8})
+	n2 := protocol.DeviceID([32]byte{9, 10, 11, 12})
 	devices := []protocol.DeviceID{n0, n1, n2}
 	na := newDeviceActivity()
 

internal/model/model.go

@@ -41,8 +41,6 @@ import (
 	"github.com/syncthing/syncthing/internal/stats"
 	"github.com/syncthing/syncthing/internal/symlinks"
 	"github.com/syncthing/syncthing/internal/versioner"
-
-	"github.com/AudriusButkevicius/lrufdcache"
 	"github.com/syndtr/goleveldb/leveldb"
 )
 
@@ -84,11 +82,10 @@ type service interface {
 }
 
 type Model struct {
-	cfg             *config.ConfigWrapper
+	cfg             *config.Wrapper
 	db              *leveldb.DB
 	finder          *files.BlockFinder
 	progressEmitter *ProgressEmitter
-	cache           *lrufdcache.FileCache
 
 	deviceName    string
 	clientName    string
@@ -101,6 +98,7 @@ type Model struct {
 	deviceStatRefs map[protocol.DeviceID]*stats.DeviceStatisticsReference // deviceID -> statsRef
 	folderIgnores  map[string]*ignore.Matcher                             // folder -> matcher object
 	folderRunners  map[string]service                                     // folder -> puller or scanner
+	folderStatRefs map[string]*stats.FolderStatisticsReference            // folder -> statsRef
 	fmut           sync.RWMutex                                           // protects the above
 
 	folderState        map[string]folderState // folder -> state
@@ -126,11 +124,10 @@ var (
 // NewModel creates and starts a new model. The model starts in read-only mode,
 // where it sends index information to connected peers and responds to requests
 // for file data without altering the local folder in any way.
-func NewModel(cfg *config.ConfigWrapper, deviceName, clientName, clientVersion string, db *leveldb.DB) *Model {
+func NewModel(cfg *config.Wrapper, deviceName, clientName, clientVersion string, db *leveldb.DB) *Model {
 	m := &Model{
 		cfg:                cfg,
 		db:                 db,
-		cache:              lrufdcache.NewCache(25),
 		deviceName:         deviceName,
 		clientName:         clientName,
 		clientVersion:      clientVersion,
@@ -141,6 +138,7 @@ func NewModel(cfg *config.ConfigWrapper, deviceName, clientName, clientVersion s
 		deviceStatRefs:     make(map[protocol.DeviceID]*stats.DeviceStatisticsReference),
 		folderIgnores:      make(map[string]*ignore.Matcher),
 		folderRunners:      make(map[string]service),
+		folderStatRefs:     make(map[string]*stats.FolderStatisticsReference),
 		folderState:        make(map[string]folderState),
 		folderStateChanged: make(map[string]time.Time),
 		protoConn:          make(map[protocol.DeviceID]protocol.Connection),
@@ -287,6 +285,15 @@ func (m *Model) DeviceStatistics() map[string]stats.DeviceStatistics {
 	return res
 }
 
+// Returns statistics about each folder
+func (m *Model) FolderStatistics() map[string]stats.FolderStatistics {
+	var res = make(map[string]stats.FolderStatistics)
+	for id := range m.cfg.Folders() {
+		res[id] = m.folderStatRef(id).GetStatistics()
+	}
+	return res
+}
+
 // Returns the completion status, in percent, for the given device and folder.
 func (m *Model) Completion(device protocol.DeviceID, folder string) float64 {
 	defer m.leveldbPanicWorkaround()
@@ -576,7 +583,7 @@ func (m *Model) ClusterConfig(deviceID protocol.DeviceID, cm protocol.ClusterCon
 					l.Infof("Adding device %v to config (vouched for by introducer %v)", id, deviceID)
 					newDeviceCfg := config.DeviceConfiguration{
 						DeviceID:    id,
-						Compression: true,
+						Compression: m.cfg.Devices()[deviceID].Compression,
 						Addresses:   []string{"dynamic"},
 					}
 
@@ -699,11 +706,12 @@ func (m *Model) Request(deviceID protocol.DeviceID, folder, name string, offset
 		}
 		reader = strings.NewReader(target)
 	} else {
-		reader, err = m.cache.Open(fn)
+		reader, err = os.Open(fn) // XXX: Inefficient, should cache fd?
 		if err != nil {
 			return nil, err
 		}
-		defer reader.(*lrufdcache.CachedFile).Close()
+
+		defer reader.(*os.File).Close()
 	}
 
 	buf := make([]byte, size)
@@ -865,17 +873,33 @@ func (m *Model) deviceStatRef(deviceID protocol.DeviceID) *stats.DeviceStatistic
 
 	if sr, ok := m.deviceStatRefs[deviceID]; ok {
 		return sr
-	} else {
-		sr = stats.NewDeviceStatisticsReference(m.db, deviceID)
-		m.deviceStatRefs[deviceID] = sr
-		return sr
 	}
+
+	sr := stats.NewDeviceStatisticsReference(m.db, deviceID)
+	m.deviceStatRefs[deviceID] = sr
+	return sr
 }
 
 func (m *Model) deviceWasSeen(deviceID protocol.DeviceID) {
 	m.deviceStatRef(deviceID).WasSeen()
 }
 
+func (m *Model) folderStatRef(folder string) *stats.FolderStatisticsReference {
+	m.fmut.Lock()
+	defer m.fmut.Unlock()
+
+	sr, ok := m.folderStatRefs[folder]
+	if !ok {
+		sr = stats.NewFolderStatisticsReference(m.db, folder)
+		m.folderStatRefs[folder] = sr
+	}
+	return sr
+}
+
+func (m *Model) receivedFile(folder, filename string) {
+	m.folderStatRef(folder).ReceivedFile(filename)
+}
+
 func sendIndexes(conn protocol.Connection, folder string, fs *files.Set, ignores *ignore.Matcher) {
 	deviceID := conn.ID()
 	name := conn.Name()
@@ -1068,6 +1092,7 @@ func (m *Model) ScanFolderSub(folder, sub string) error {
 		Matcher:      ignores,
 		BlockSize:    protocol.BlockSize,
 		TempNamer:    defTempNamer,
+		TempLifetime: time.Duration(m.cfg.Options().KeepTemporariesH) * time.Hour,
 		CurrentFiler: cFiler{m, folder},
 		IgnorePerms:  m.folderCfgs[folder].IgnorePerms,
 	}

internal/model/progressemitter.go

@@ -1,3 +1,18 @@
+// Copyright (C) 2014 The Syncthing Authors.
+//
+// This program is free software: you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+// more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program. If not, see <http://www.gnu.org/licenses/>.
+
 package model
 
 import (
@@ -23,7 +38,7 @@ type ProgressEmitter struct {
 
 // Creates a new progress emitter which emits DownloadProgress events every
 // interval.
-func NewProgressEmitter(cfg *config.ConfigWrapper) *ProgressEmitter {
+func NewProgressEmitter(cfg *config.Wrapper) *ProgressEmitter {
 	t := &ProgressEmitter{
 		stop:     make(chan struct{}),
 		registry: make(map[string]*sharedPullerState),

internal/model/puller.go

@@ -26,6 +26,8 @@ import (
 	"sync"
 	"time"
 
+	"github.com/AudriusButkevicius/lfu-go"
+
 	"github.com/syncthing/syncthing/internal/config"
 	"github.com/syncthing/syncthing/internal/events"
 	"github.com/syncthing/syncthing/internal/osutil"
@@ -89,21 +91,16 @@ func (p *Puller) Serve() {
 
 	pullTimer := time.NewTimer(checkPullIntv)
 	scanTimer := time.NewTimer(time.Millisecond) // The first scan should be done immediately.
-	cleanTimer := time.NewTicker(time.Hour)
 
 	defer func() {
 		pullTimer.Stop()
 		scanTimer.Stop()
-		cleanTimer.Stop()
 		// TODO: Should there be an actual FolderStopped state?
 		p.model.setState(p.folder, FolderIdle)
 	}()
 
 	var prevVer uint64
 
-	// Clean out old temporaries before we start pulling
-	p.clean()
-
 	// We don't start pulling files until a scan has been completed.
 	initialScanCompleted := false
 
@@ -220,10 +217,6 @@ loop:
 				l.Infoln("Completed initial scan (rw) of folder", p.folder)
 				initialScanCompleted = true
 			}
-
-		// Clean out old temporaries
-		case <-cleanTimer.C:
-			p.clean()
 		}
 	}
 }
@@ -600,6 +593,19 @@ nextFile:
 			p.progressEmitter.Register(state.sharedPullerState)
 		}
 
+		evictionChan := make(chan lfu.Eviction)
+
+		fdCache := lfu.New()
+		fdCache.UpperBound = 50
+		fdCache.LowerBound = 20
+		fdCache.EvictionChannel = evictionChan
+
+		go func() {
+			for item := range evictionChan {
+				item.Value.(*os.File).Close()
+			}
+		}()
+
 		folderRoots := make(map[string]string)
 		p.model.fmut.RLock()
 		for folder, cfg := range p.model.folderCfgs {
@@ -613,11 +619,18 @@ nextFile:
 			found := p.model.finder.Iterate(block.Hash, func(folder, file string, index uint32) bool {
 				path := filepath.Join(folderRoots[folder], file)
 
-				fd, err := p.model.cache.Open(path)
-				if err != nil {
-					return false
+				var fd *os.File
+
+				fdi := fdCache.Get(path)
+				if fdi != nil {
+					fd = fdi.(*os.File)
+				} else {
+					fd, err = os.Open(path)
+					if err != nil {
+						return false
+					}
+					fdCache.Set(path, fd)
 				}
-				defer fd.Close()
 
 				_, err = fd.ReadAt(buf, protocol.BlockSize*int64(index))
 				if err != nil {
@@ -666,6 +679,8 @@ nextFile:
 				state.copyDone()
 			}
 		}
+		fdCache.Evict(fdCache.Len())
+		close(evictionChan)
 		out <- state.sharedPullerState
 	}
 }
@@ -815,6 +830,7 @@ func (p *Puller) finisherRoutine(in <-chan *sharedPullerState) {
 			}
 
 			p.performFinish(state)
+			p.model.receivedFile(p.folder, state.file.Name)
 			if p.progressEmitter != nil {
 				p.progressEmitter.Deregister(state)
 			}
@@ -822,23 +838,6 @@ func (p *Puller) finisherRoutine(in <-chan *sharedPullerState) {
 	}
 }
 
-// clean deletes orphaned temporary files
-func (p *Puller) clean() {
-	keep := time.Duration(p.model.cfg.Options().KeepTemporariesH) * time.Hour
-	now := time.Now()
-	filepath.Walk(p.dir, func(path string, info os.FileInfo, err error) error {
-		if err != nil {
-			return err
-		}
-
-		if info.Mode().IsRegular() && defTempNamer.IsTemporary(path) && info.ModTime().Add(keep).Before(now) {
-			os.Remove(path)
-		}
-
-		return nil
-	})
-}
-
 func invalidateFolder(cfg *config.Configuration, folderID string, err error) {
 	for i := range cfg.Folders {
 		folder := &cfg.Folders[i]

internal/model/puller_test.go

@@ -19,6 +19,7 @@ import (
 	"os"
 	"path/filepath"
 	"testing"
+	"time"
 
 	"github.com/syncthing/syncthing/internal/config"
 	"github.com/syncthing/syncthing/internal/protocol"
@@ -28,6 +29,16 @@ import (
 	"github.com/syndtr/goleveldb/leveldb/storage"
 )
 
+func init() {
+	// We do this to make sure that the temp file required for the tests does
+	// not get removed during the tests.
+	future := time.Now().Add(time.Hour)
+	err := os.Chtimes(filepath.Join("testdata", defTempNamer.TempName("file")), future, future)
+	if err != nil {
+		panic(err)
+	}
+}
+
 var blocks = []protocol.BlockInfo{
 	{Hash: []uint8{0xfa, 0x43, 0x23, 0x9b, 0xce, 0xe7, 0xb9, 0x7c, 0xa6, 0x2f, 0x0, 0x7c, 0xc6, 0x84, 0x87, 0x56, 0xa, 0x39, 0xe1, 0x9f, 0x74, 0xf3, 0xdd, 0xe7, 0x48, 0x6d, 0xb3, 0xf9, 0x8d, 0xf8, 0xe4, 0x71}}, // Zero'ed out block
 	{Offset: 0, Size: 0x20000, Hash: []uint8{0x7e, 0xad, 0xbc, 0x36, 0xae, 0xbb, 0xcf, 0x74, 0x43, 0xe2, 0x7a, 0x5a, 0x4b, 0xb8, 0x5b, 0xce, 0xe6, 0x9e, 0x1e, 0x10, 0xf9, 0x8a, 0xbc, 0x77, 0x95, 0x2, 0x29, 0x60, 0x9e, 0x96, 0xae, 0x6c}},

internal/scanner/walk.go

@@ -21,6 +21,7 @@ import (
 	"path/filepath"
 	"runtime"
 	"strings"
+	"time"
 
 	"github.com/syncthing/syncthing/internal/ignore"
 	"github.com/syncthing/syncthing/internal/lamport"
@@ -40,6 +41,8 @@ type Walker struct {
 	Matcher *ignore.Matcher
 	// If TempNamer is not nil, it is used to ignore tempory files when walking.
 	TempNamer TempNamer
+	// Number of hours to keep temporary files for
+	TempLifetime time.Duration
 	// If CurrentFiler is not nil, it is queried for the current file before rescanning.
 	CurrentFiler CurrentFiler
 	// If IgnorePerms is true, changes to permission bits will not be
@@ -86,6 +89,7 @@ func (w *Walker) Walk() (chan protocol.FileInfo, error) {
 }
 
 func (w *Walker) walkAndHashFiles(fchan chan protocol.FileInfo) filepath.WalkFunc {
+	now := time.Now()
 	return func(p string, info os.FileInfo, err error) error {
 		if err != nil {
 			if debug {
@@ -111,6 +115,12 @@ func (w *Walker) walkAndHashFiles(fchan chan protocol.FileInfo) filepath.WalkFun
 			if debug {
 				l.Debugln("temporary:", rn)
 			}
+			if info.Mode().IsRegular() && info.ModTime().Add(w.TempLifetime).Before(now) {
+				os.Remove(p)
+				if debug {
+					l.Debugln("removing temporary:", rn, info.ModTime())
+				}
+			}
 			return nil
 		}
 
@@ -201,7 +211,7 @@ func (w *Walker) walkAndHashFiles(fchan chan protocol.FileInfo) filepath.WalkFun
 				}
 			}
 
-			var flags uint32 = protocol.FlagDirectory
+			flags := uint32(protocol.FlagDirectory)
 			if w.IgnorePerms {
 				flags |= protocol.FlagNoPermBits | 0777
 			} else {

internal/scanner/walk_test.go

@@ -190,16 +190,16 @@ func TestVerify(t *testing.T) {
 
 type fileList []protocol.FileInfo
 
-func (f fileList) Len() int {
-	return len(f)
+func (l fileList) Len() int {
+	return len(l)
 }
 
-func (f fileList) Less(a, b int) bool {
-	return f[a].Name < f[b].Name
+func (l fileList) Less(a, b int) bool {
+	return l[a].Name < l[b].Name
 }
 
-func (f fileList) Swap(a, b int) {
-	f[a], f[b] = f[b], f[a]
+func (l fileList) Swap(a, b int) {
+	l[a], l[b] = l[b], l[a]
 }
 
 func (l fileList) testfiles() testfileList {

internal/stats/folder.go

@@ -0,0 +1,133 @@
+// Copyright (C) 2014 The Syncthing Authors.
+//
+// This program is free software: you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+// more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program. If not, see <http://www.gnu.org/licenses/>.
+
+package stats
+
+import (
+	"encoding/binary"
+	"time"
+
+	"github.com/syndtr/goleveldb/leveldb"
+)
+
+const (
+	folderStatisticTypeLastFile = iota
+)
+
+var folderStatisticsTypes = []byte{
+	folderStatisticTypeLastFile,
+}
+
+type FolderStatistics struct {
+	LastFile *LastFile
+}
+
+type FolderStatisticsReference struct {
+	db     *leveldb.DB
+	folder string
+}
+
+func NewFolderStatisticsReference(db *leveldb.DB, folder string) *FolderStatisticsReference {
+	return &FolderStatisticsReference{
+		db:     db,
+		folder: folder,
+	}
+}
+
+func (s *FolderStatisticsReference) key(stat byte) []byte {
+	k := make([]byte, 1+1+64)
+	k[0] = keyTypeFolderStatistic
+	k[1] = stat
+	copy(k[1+1:], s.folder[:])
+	return k
+}
+
+func (s *FolderStatisticsReference) GetLastFile() *LastFile {
+	value, err := s.db.Get(s.key(folderStatisticTypeLastFile), nil)
+	if err != nil {
+		if err != leveldb.ErrNotFound {
+			l.Warnln("FolderStatisticsReference: Failed loading last file filename value for", s.folder, ":", err)
+		}
+		return nil
+	}
+
+	file := LastFile{}
+	err = file.UnmarshalBinary(value)
+	if err != nil {
+		l.Warnln("FolderStatisticsReference: Failed loading last file value for", s.folder, ":", err)
+		return nil
+	}
+	return &file
+}
+
+func (s *FolderStatisticsReference) ReceivedFile(filename string) {
+	f := LastFile{
+		Filename: filename,
+		At:       time.Now(),
+	}
+	if debug {
+		l.Debugln("stats.FolderStatisticsReference.ReceivedFile:", s.folder)
+	}
+
+	value, err := f.MarshalBinary()
+	if err != nil {
+		l.Warnln("FolderStatisticsReference: Failed serializing last file value for", s.folder, ":", err)
+		return
+	}
+
+	err = s.db.Put(s.key(folderStatisticTypeLastFile), value, nil)
+	if err != nil {
+		l.Warnln("Failed update last file value for", s.folder, ":", err)
+	}
+}
+
+// Never called, maybe because it's worth while to keep the data
+// or maybe because we have no easy way of knowing that a folder has been removed.
+func (s *FolderStatisticsReference) Delete() error {
+	for _, stype := range folderStatisticsTypes {
+		err := s.db.Delete(s.key(stype), nil)
+		if debug && err == nil {
+			l.Debugln("stats.FolderStatisticsReference.Delete:", s.folder, stype)
+		}
+		if err != nil && err != leveldb.ErrNotFound {
+			return err
+		}
+	}
+	return nil
+}
+
+func (s *FolderStatisticsReference) GetStatistics() FolderStatistics {
+	return FolderStatistics{
+		LastFile: s.GetLastFile(),
+	}
+}
+
+type LastFile struct {
+	At       time.Time
+	Filename string
+}
+
+func (f *LastFile) MarshalBinary() ([]byte, error) {
+	buf := make([]byte, 8+len(f.Filename))
+	binary.BigEndian.PutUint64(buf[:8], uint64(f.At.Unix()))
+	copy(buf[8:], []byte(f.Filename))
+	return buf, nil
+}
+
+func (f *LastFile) UnmarshalBinary(buf []byte) error {
+	f.At = time.Unix(int64(binary.BigEndian.Uint64(buf[:8])), 0)
+	f.Filename = string(buf[8:])
+	return nil
+}

internal/stats/leveldb.go

@@ -18,4 +18,5 @@ package stats
 // Same key space as files/leveldb.go keyType* constants
 const (
 	keyTypeDeviceStatistic = iota + 30
+	keyTypeFolderStatistic
 )

internal/upgrade/upgrade_common.go

@@ -48,7 +48,7 @@ func init() {
 }
 
 // A wrapper around actual implementations
-func UpgradeTo(rel Release) error {
+func To(rel Release) error {
 	select {
 	case <-upgradeUnlocked:
 		path, err := osext.Executable()

internal/upgrade/upgrade_supported.go

@@ -86,15 +86,15 @@ func LatestRelease(prerelease bool) (Release, error) {
 	if prerelease {
 		// We are a beta version. Use the latest.
 		return rels[0], nil
-	} else {
-		// We are a regular release. Only consider non-prerelease versions for upgrade.
-		for _, rel := range rels {
-			if !rel.Prerelease {
-				return rel, nil
-			}
-		}
-		return Release{}, ErrVersionUnknown
 	}
+
+	// We are a regular release. Only consider non-prerelease versions for upgrade.
+	for _, rel := range rels {
+		if !rel.Prerelease {
+			return rel, nil
+		}
+	}
+	return Release{}, ErrVersionUnknown
 }
 
 func readTarGZ(url string, dir string) (string, error) {

internal/upnp/upnp.go

@@ -101,8 +101,8 @@ type upnpRoot struct {
 
 // Discover discovers UPnP InternetGatewayDevices.
 // The order in which the devices appear in the result list is not deterministic.
-func Discover() []*IGD {
-	result := make([]*IGD, 0)
+func Discover() []IGD {
+	var result []IGD
 	l.Infoln("Starting UPnP discovery...")
 
 	timeout := 3
@@ -137,7 +137,7 @@ func Discover() []*IGD {
 
 // Search for UPnP InternetGatewayDevices for <timeout> seconds, ignoring responses from any devices listed in knownDevices.
 // The order in which the devices appear in the result list is not deterministic
-func discover(deviceType string, timeout int, knownDevices []*IGD) []*IGD {
+func discover(deviceType string, timeout int, knownDevices []IGD) []IGD {
 	ssdp := &net.UDPAddr{IP: []byte{239, 255, 255, 250}, Port: 1900}
 
 	tpl := `M-SEARCH * HTTP/1.1
@@ -155,8 +155,8 @@ Mx: %d
 		l.Debugln("Starting discovery of device type " + deviceType + "...")
 	}
 
-	results := make([]*IGD, 0)
-	resultChannel := make(chan *IGD, 8)
+	var results []IGD
+	resultChannel := make(chan IGD, 8)
 
 	socket, err := net.ListenUDP("udp4", &net.UDPAddr{})
 	if err != nil {
@@ -231,7 +231,7 @@ Mx: %d
 	return results
 }
 
-func handleSearchResponse(deviceType string, knownDevices []*IGD, resp []byte, length int, resultChannel chan<- *IGD, resultWaitGroup *sync.WaitGroup) {
+func handleSearchResponse(deviceType string, knownDevices []IGD, resp []byte, length int, resultChannel chan<- IGD, resultWaitGroup *sync.WaitGroup) {
 	defer resultWaitGroup.Done() // Signal when we've finished processing
 
 	if debug {
@@ -321,7 +321,7 @@ func handleSearchResponse(deviceType string, knownDevices []*IGD, resp []byte, l
 		return
 	}
 
-	igd := &IGD{
+	igd := IGD{
 		uuid:           deviceUUID,
 		friendlyName:   upnpRoot.Device.FriendlyName,
 		url:            deviceDescriptionURL,
@@ -352,7 +352,7 @@ func localIP(url *url.URL) (string, error) {
 }
 
 func getChildDevices(d upnpDevice, deviceType string) []upnpDevice {
-	result := make([]upnpDevice, 0)
+	var result []upnpDevice
 	for _, dev := range d.Devices {
 		if dev.DeviceType == deviceType {
 			result = append(result, dev)
@@ -362,7 +362,7 @@ func getChildDevices(d upnpDevice, deviceType string) []upnpDevice {
 }
 
 func getChildServices(d upnpDevice, serviceType string) []upnpService {
-	result := make([]upnpService, 0)
+	var result []upnpService
 	for _, svc := range d.Services {
 		if svc.ServiceType == serviceType {
 			result = append(result, svc)
@@ -372,7 +372,7 @@ func getChildServices(d upnpDevice, serviceType string) []upnpService {
 }
 
 func getServiceDescriptions(rootURL string, device upnpDevice) ([]IGDService, error) {
-	result := make([]IGDService, 0)
+	var result []IGDService
 
 	if device.DeviceType == "urn:schemas-upnp-org:device:InternetGatewayDevice:1" {
 		descriptions := getIGDServices(rootURL, device,
@@ -400,7 +400,7 @@ func getServiceDescriptions(rootURL string, device upnpDevice) ([]IGDService, er
 }
 
 func getIGDServices(rootURL string, device upnpDevice, wanDeviceURN string, wanConnectionURN string, serviceURNs []string) []IGDService {
-	result := make([]IGDService, 0)
+	var result []IGDService
 
 	devices := getChildDevices(device, wanDeviceURN)
 

internal/upnp/upnp_test.go

@@ -21,7 +21,7 @@ import (
 )
 
 func TestExternalIPParsing(t *testing.T) {
-	soap_response :=
+	soapResponse :=
 		[]byte(`<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
 		<s:Body>
 			<u:GetExternalIPAddressResponse xmlns:u="urn:schemas-upnp-org:service:WANIPConnection:1">
@@ -31,7 +31,7 @@ func TestExternalIPParsing(t *testing.T) {
 		</s:Envelope>`)
 
 	envelope := &soapGetExternalIPAddressResponseEnvelope{}
-	err := xml.Unmarshal(soap_response, envelope)
+	err := xml.Unmarshal(soapResponse, envelope)
 	if err != nil {
 		t.Error(err)
 	}

internal/versioner/simple.go

@@ -62,9 +62,8 @@ func (v Simple) Archive(filePath string) error {
 				l.Debugln("not archiving nonexistent file", filePath)
 			}
 			return nil
-		} else {
-			return err
 		}
+		return err
 	}
 
 	versionsDir := filepath.Join(v.folderPath, ".stversions")

internal/versioner/staggered.go

@@ -294,9 +294,8 @@ func (v Staggered) Archive(filePath string) error {
 				l.Debugln("not archiving nonexistent file", filePath)
 			}
 			return nil
-		} else {
-			return err
 		}
+		return err
 	}
 
 	if _, err := os.Stat(v.versionsPath); err != nil {

test/.gitignore

@@ -16,3 +16,4 @@ csrftokens.txt
 s4d
 http
 index
+*.syncthing-reset*

test/cli_test.go

@@ -0,0 +1,143 @@
+// Copyright (C) 2014 The Syncthing Authors.
+//
+// This program is free software: you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+// more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program. If not, see <http://www.gnu.org/licenses/>.
+
+// +build integration
+
+package integration_test
+
+import (
+	"os"
+	"os/exec"
+	"testing"
+	"time"
+)
+
+func TestCLIReset(t *testing.T) {
+	dirs := []string{"s1", "s12-1", "h1/index"}
+
+	// Create directories that reset will remove
+
+	for _, dir := range dirs {
+		err := os.Mkdir(dir, 0755)
+		if err != nil && !os.IsExist(err) {
+			t.Fatal(err)
+		}
+	}
+
+	// Run reset to clean up
+
+	cmd := exec.Command("../bin/syncthing", "-home", "h1", "-reset")
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stdout
+	err := cmd.Run()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Verify that they're gone
+
+	for _, dir := range dirs {
+		_, err := os.Stat(dir)
+		if err == nil {
+			t.Errorf("%s still exists", dir)
+		}
+	}
+}
+
+func TestCLIGenerate(t *testing.T) {
+	err := os.RemoveAll("home.out")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// -generate should create a bunch of stuff
+
+	cmd := exec.Command("../bin/syncthing", "-generate", "home.out")
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stdout
+	err = cmd.Run()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Verify that the files that should have been created have been
+
+	for _, f := range []string{"home.out/config.xml", "home.out/cert.pem", "home.out/key.pem"} {
+		_, err := os.Stat(f)
+		if err != nil {
+			t.Errorf("%s is not correctly generated", f)
+		}
+	}
+}
+
+func TestCLIFirstStartup(t *testing.T) {
+	err := os.RemoveAll("home.out")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// First startup should create config, BEP certificate, and HTTP certificate.
+
+	cmd := exec.Command("../bin/syncthing", "-home", "home.out")
+	cmd.Env = append(os.Environ(), "STNORESTART=1")
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stdout
+	err = cmd.Start()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	exitError := make(chan error, 1)
+	filesOk := make(chan struct{})
+	processDone := make(chan struct{})
+
+	go func() {
+		// Wait for process exit.
+		exitError <- cmd.Wait()
+		close(processDone)
+	}()
+
+	go func() {
+	again:
+		for {
+			select {
+			case <-processDone:
+				return
+			default:
+				// Verify that the files that should have been created have been
+				for _, f := range []string{"home.out/config.xml", "home.out/cert.pem", "home.out/key.pem", "home.out/https-cert.pem", "home.out/https-key.pem"} {
+					_, err := os.Stat(f)
+					if err != nil {
+						time.Sleep(500 * time.Millisecond)
+						continue again
+					}
+				}
+
+				// Make sure the process doesn't exit with an error just after creating certificates.
+				time.Sleep(time.Second)
+				filesOk <- struct{}{}
+				return
+			}
+		}
+	}()
+
+	select {
+	case e := <-exitError:
+		t.Error(e)
+	case <-filesOk:
+		cmd.Process.Kill()
+		return
+	}
+}

test/common_test.go

@@ -48,10 +48,8 @@ const (
 
 var env = []string{
 	"HOME=.",
-	"STTRACE=model,protocol",
 	"STGUIAPIKEY=" + apiKey,
 	"STNORESTART=1",
-	"STPERFSTATS=1",
 }
 
 type syncthingProcess struct {
@@ -78,7 +76,7 @@ func (p *syncthingProcess) start() error {
 	cmd := exec.Command("../bin/syncthing", p.argv...)
 	cmd.Stdout = p.logfd
 	cmd.Stderr = p.logfd
-	cmd.Env = append(env, fmt.Sprintf("STPROFILER=:%d", p.port+1000))
+	cmd.Env = append(os.Environ(), env...)
 
 	err := cmd.Start()
 	if err != nil {
@@ -97,7 +95,7 @@ func (p *syncthingProcess) start() error {
 }
 
 func (p *syncthingProcess) stop() error {
-	p.cmd.Process.Signal(os.Interrupt)
+	p.cmd.Process.Signal(os.Kill)
 	p.cmd.Wait()
 
 	fd, err := os.Open(p.log)
@@ -320,6 +318,16 @@ func (i *inifiteReader) Read(bs []byte) (int, error) {
 // rm -rf
 func removeAll(dirs ...string) error {
 	for _, dir := range dirs {
+		// Set any non-writeable files and dirs to writeable. This is necessary for os.RemoveAll to work on Windows.
+		filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
+			if err != nil {
+				return err
+			}
+			if info.Mode()&0700 != 0700 {
+				os.Chmod(path, 0777)
+			}
+			return nil
+		})
 		os.RemoveAll(dir)
 	}
 	return nil

test/reconnect_test.go

@@ -81,7 +81,8 @@ func testRestartDuringTransfer(t *testing.T, restartSender, restartReceiver bool
 	for {
 		comp, err := sender.peerCompletion()
 		if err != nil {
-			if strings.Contains(err.Error(), "use of closed network connection") {
+			if strings.Contains(err.Error(), "use of closed network connection") ||
+				strings.Contains(err.Error(), "request cancelled while waiting") {
 				time.Sleep(250 * time.Millisecond)
 				continue
 			}

test/symlink_test.go

@@ -18,8 +18,10 @@
 package integration_test
 
 import (
+	"io/ioutil"
 	"log"
 	"os"
+	"path/filepath"
 	"strings"
 	"testing"
 	"time"
@@ -29,7 +31,21 @@ import (
 	"github.com/syncthing/syncthing/internal/symlinks"
 )
 
+func symlinksSupported() bool {
+	tmp, err := ioutil.TempDir("", "symlink-test")
+	if err != nil {
+		return false
+	}
+	defer os.RemoveAll(tmp)
+	err = os.Symlink("tmp", filepath.Join(tmp, "link"))
+	return err == nil
+}
+
 func TestSymlinks(t *testing.T) {
+	if !symlinksSupported() {
+		t.Skip("symlinks unsupported")
+	}
+
 	// Use no versioning
 	id, _ := protocol.DeviceIDFromString(id2)
 	cfg, _ := config.Load("h2/config.xml", id)
@@ -42,6 +58,10 @@ func TestSymlinks(t *testing.T) {
 }
 
 func TestSymlinksSimpleVersioning(t *testing.T) {
+	if !symlinksSupported() {
+		t.Skip("symlinks unsupported")
+	}
+
 	// Use no versioning
 	id, _ := protocol.DeviceIDFromString(id2)
 	cfg, _ := config.Load("h2/config.xml", id)
@@ -57,6 +77,10 @@ func TestSymlinksSimpleVersioning(t *testing.T) {
 }
 
 func TestSymlinksStaggeredVersioning(t *testing.T) {
+	if !symlinksSupported() {
+		t.Skip("symlinks unsupported")
+	}
+
 	// Use no versioning
 	id, _ := protocol.DeviceIDFromString(id2)
 	cfg, _ := config.Load("h2/config.xml", id)