Merge pull request #1681 from calmh/major-upgrade

Allow major upgrades [v0.10]

cmd/syncthing/gui.go

@@ -618,7 +618,7 @@ func restGetUpgrade(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, upgrade.ErrUpgradeUnsupported.Error(), 500)
 		return
 	}
-	rel, err := upgrade.LatestRelease(strings.Contains(Version, "-beta"))
+	rel, err := upgrade.LatestRelease(Version)
 	if err != nil {
 		http.Error(w, err.Error(), 500)
 		return
@@ -626,7 +626,8 @@ func restGetUpgrade(w http.ResponseWriter, r *http.Request) {
 	res := make(map[string]interface{})
 	res["running"] = Version
 	res["latest"] = rel.Tag
-	res["newer"] = upgrade.CompareVersions(rel.Tag, Version) == 1
+	res["newer"] = upgrade.CompareVersions(rel.Tag, Version) == upgrade.Newer
+	res["majorNewer"] = upgrade.CompareVersions(rel.Tag, Version) == upgrade.MajorNewer
 
 	w.Header().Set("Content-Type", "application/json; charset=utf-8")
 	json.NewEncoder(w).Encode(res)
@@ -660,14 +661,14 @@ func restGetLang(w http.ResponseWriter, r *http.Request) {
 }
 
 func restPostUpgrade(w http.ResponseWriter, r *http.Request) {
-	rel, err := upgrade.LatestRelease(strings.Contains(Version, "-beta"))
+	rel, err := upgrade.LatestRelease(Version)
 	if err != nil {
 		l.Warnln("getting latest release:", err)
 		http.Error(w, err.Error(), 500)
 		return
 	}
 
-	if upgrade.CompareVersions(rel.Tag, Version) == 1 {
+	if upgrade.CompareVersions(rel.Tag, Version) > upgrade.Equal {
 		err = upgrade.To(rel)
 		if err != nil {
 			l.Warnln("upgrading:", err)

cmd/syncthing/main.go

@@ -324,7 +324,7 @@ func main() {
 	}
 
 	if doUpgrade || doUpgradeCheck {
-		rel, err := upgrade.LatestRelease(IsBeta)
+		rel, err := upgrade.LatestRelease(Version)
 		if err != nil {
 			l.Fatalln("Upgrade:", err) // exits 1
 		}
@@ -1057,7 +1057,7 @@ func autoUpgrade() {
 		case <-timer.C:
 		}
 
-		rel, err := upgrade.LatestRelease(IsBeta)
+		rel, err := upgrade.LatestRelease(Version)
 		if err == upgrade.ErrUpgradeUnsupported {
 			events.Default.Unsubscribe(sub)
 			return

gui/assets/lang/lang-en.json

@@ -1,4 +1,5 @@
 {
+   "A new major version may not be compatible with previous versions.": "A new major version may not be compatible with previous versions.",
    "API Key": "API Key",
    "About": "About",
    "Add": "Add",
@@ -72,6 +73,7 @@
    "Latest Release": "Latest Release",
    "Local Discovery": "Local Discovery",
    "Local State": "Local State",
+   "Major Upgrade": "Major Upgrade",
    "Maximum Age": "Maximum Age",
    "Metadata Only": "Metadata Only",
    "Move to top of queue": "Move to top of queue",
@@ -92,11 +94,13 @@
    "Override Changes": "Override Changes",
    "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": "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",
    "Path where versions should be stored (leave empty for the default .stversions folder in the folder).": "Path where versions should be stored (leave empty for the default .stversions folder in the folder).",
+   "Please consult the release notes before performing a major upgrade.": "Please consult the release notes before performing a major upgrade.",
    "Please wait": "Please wait",
    "Preview": "Preview",
    "Preview Usage Report": "Preview Usage Report",
    "Quick guide to supported patterns": "Quick guide to supported patterns",
    "RAM Utilization": "RAM Utilization",
+   "Release Notes": "Release Notes",
    "Rescan": "Rescan",
    "Rescan All": "Rescan All",
    "Rescan Interval": "Rescan Interval",
@@ -155,10 +159,12 @@
    "The number of versions must be a number and cannot be blank.": "The number of versions must be a number and cannot be blank.",
    "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 at least 5 seconds.": "The rescan interval must be at least 5 seconds.",
+   "This is a major version upgrade.": "This is a major version upgrade.",
    "Unknown": "Unknown",
    "Unshared": "Unshared",
    "Unused": "Unused",
    "Up to Date": "Up to Date",
+   "Upgrade": "Upgrade",
    "Upgrade To {%version%}": "Upgrade To {{version}}",
    "Upgrading": "Upgrading",
    "Upload Rate": "Upload Rate",

gui/index.html

@@ -38,6 +38,12 @@
             <span translate translate-value-version="{{upgradeInfo.latest}}">Upgrade To {%version%}</span>
           </button>
         </li>
+        <li ng-if="upgradeInfo && upgradeInfo.majorNewer">
+          <button type="button" class="btn navbar-btn btn-danger btn-sm" href="" ng-click="upgradeMajor()">
+            <span class="glyphicon glyphicon-chevron-up"></span>&emsp;
+            <span translate translate-value-version="{{upgradeInfo.latest}}">Upgrade To {%version%}</span>
+          </button>
+        </li>
         <li class="dropdown">
           <a href="#" class="dropdown-toggle" data-toggle="dropdown"><span class="glyphicon glyphicon-cog" aria-label="Edit"></span></a>
           <ul class="dropdown-menu">
@@ -460,6 +466,35 @@
     <img ng-if="myID" class="center-block img-thumbnail" src="qr/?text={{myID}}"/>
   </modal>
 
+  <!-- Major upgrade modal -->
+
+  <div id="majorUpgrade" class="modal fade" tabindex="-1" data-backdrop="true" data-keyboard="true">
+    <div class="modal-dialog">
+      <div class="modal-content">
+        <div class="modal-header alert alert-danger">
+          <h4 class="modal-title">
+            <span ng-if="icon" class="glyphicon glyphicon-chevron-up"></span>
+            <span translate>Major Upgrade</span>
+          </h4>
+        </div>
+        <div class="modal-body">
+          <p>
+            <span translate>This is a major version upgrade.</span>
+            <span translate>A new major version may not be compatible with previous versions.</span>
+            <span translate>Please consult the release notes before performing a major upgrade.</span>
+          </p>
+          <p>
+            <a href="https://github.com/syncthing/syncthing/releases/latest" target="_blank" translate>Release Notes</a>
+          </p>
+        </div>
+        <div class="modal-footer">
+          <button type="button" class="btn btn-primary btn-sm" ng-click="upgrade()"><span class="glyphicon glyphicon-ok"></span>&emsp;<span translate>Upgrade</span></button>
+          <button type="button" class="btn btn-default btn-sm" data-dismiss="modal"><span class="glyphicon glyphicon-remove"></span>&emsp;<span translate>Close</span></button>
+        </div>
+      </div>
+    </div>
+  </div>
+
   <!-- Device editor modal -->
 
   <div id="editDevice" class="modal fade" tabindex="-1">

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

@@ -672,6 +672,7 @@ angular.module('syncthing.core')
 
         $scope.upgrade = function () {
             restarting = true;
+            $('#majorUpgrade').modal('hide');
             $('#upgrading').modal();
             $http.post(urlbase + '/upgrade').success(function () {
                 $('#restarting').modal();
@@ -681,6 +682,10 @@ angular.module('syncthing.core')
             });
         };
 
+        $scope.upgradeMajor = function () {
+            $('#majorUpgrade').modal();
+        };
+
         $scope.shutdown = function () {
             restarting = true;
             $http.post(urlbase + '/shutdown').success(function () {

internal/upgrade/upgrade_supported.go

@@ -23,36 +23,70 @@ import (
 	"path"
 	"path/filepath"
 	"runtime"
+	"sort"
 	"strings"
 )
 
-// Returns the latest release, including prereleases or not depending on the argument
+// Returns the latest releases, including prereleases or not depending on the argument
-func LatestRelease(prerelease bool) (Release, error) {
+func LatestGithubReleases(version string) ([]Release, error) {
-	resp, err := http.Get("https://api.github.com/repos/syncthing/syncthing/releases?per_page=10")
+	resp, err := http.Get("https://api.github.com/repos/syncthing/syncthing/releases?per_page=30")
 	if err != nil {
-		return Release{}, err
+		return nil, err
 	}
 	if resp.StatusCode > 299 {
-		return Release{}, fmt.Errorf("API call returned HTTP error: %s", resp.Status)
+		return nil, fmt.Errorf("API call returned HTTP error: %s", resp.Status)
 	}
 
 	var rels []Release
 	json.NewDecoder(resp.Body).Decode(&rels)
 	resp.Body.Close()
 
+	return rels, nil
+}
+
+type SortByRelease []Release
+
+func (s SortByRelease) Len() int {
+	return len(s)
+}
+func (s SortByRelease) Swap(i, j int) {
+	s[i], s[j] = s[j], s[i]
+}
+func (s SortByRelease) Less(i, j int) bool {
+	return CompareVersions(s[i].Tag, s[j].Tag) > 0
+}
+
+func LatestRelease(version string) (Release, error) {
+	rels, _ := LatestGithubReleases(version)
+	return SelectLatestRelease(version, rels)
+}
+
+func SelectLatestRelease(version string, rels []Release) (Release, error) {
 	if len(rels) == 0 {
 		return Release{}, ErrVersionUnknown
 	}
 
-	if prerelease {
+	sort.Sort(SortByRelease(rels))
-		// We are a beta version. Use the latest.
+	// Check for a beta build
-		return rels[0], nil
+	beta := strings.Contains(version, "-beta")
-	}
 
-	// We are a regular release. Only consider non-prerelease versions for upgrade.
 	for _, rel := range rels {
-		if !rel.Prerelease {
+		if rel.Prerelease && !beta {
-			return rel, nil
+			continue
+		}
+		for _, asset := range rel.Assets {
+			assetName := path.Base(asset.Name)
+			// Check for the architecture
+			expectedRelease := releaseName(rel.Tag)
+			if debug {
+				l.Debugf("expected release asset %q", expectedRelease)
+			}
+			if debug {
+				l.Debugln("considering release", assetName)
+			}
+			if strings.HasPrefix(assetName, expectedRelease) {
+				return rel, nil
+			}
 		}
 	}
 	return Release{}, ErrVersionUnknown

internal/upgrade/upgrade_test.go

@@ -4,11 +4,17 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this file,
 // You can obtain one at http://mozilla.org/MPL/2.0/.
 
+// +build !noupgrade
+
 package upgrade
 
-import "testing"
+import (
+	"encoding/json"
+	"os"
+	"testing"
+)
 
-var testcases = []struct {
+var versions = []struct {
 	a, b string
 	r    Relation
 }{
@@ -27,6 +33,7 @@ var testcases = []struct {
 	{"0.10.0", "0.2.0", MajorNewer},
 	{"30.10.0", "4.9.0", MajorNewer},
 	{"0.9.0-beta7", "0.9.0-beta6", Newer},
+	{"0.9.0-beta7", "1.0.0-alpha", MajorOlder},
 	{"1.0.0-alpha", "1.0.0-alpha.1", Older},
 	{"1.0.0-alpha.1", "1.0.0-alpha.beta", Older},
 	{"1.0.0-alpha.beta", "1.0.0-beta", Older},
@@ -44,9 +51,46 @@ var testcases = []struct {
 }
 
 func TestCompareVersions(t *testing.T) {
-	for _, tc := range testcases {
+	for _, v := range versions {
-		if r := CompareVersions(tc.a, tc.b); r != tc.r {
+		if r := CompareVersions(v.a, v.b); r != v.r {
-			t.Errorf("compareVersions(%q, %q): %d != %d", tc.a, tc.b, r, tc.r)
+			t.Errorf("compareVersions(%q, %q): %d != %d", v.a, v.b, r, v.r)
 		}
 	}
 }
+
+var upgrades = map[string]string{
+	"v0.10.21":                        "v0.10.30",
+	"v0.10.29":                        "v0.10.30",
+	"v0.10.31":                        "v0.10.30",
+	"v0.10.0-alpha":                   "v0.10.30",
+	"v0.10.0-beta":                    "v0.11.0-beta0",
+	"v0.11.0-beta0+40-g53cb66e-dirty": "v0.11.0-beta0",
+}
+
+func TestGithubRelease(t *testing.T) {
+	fd, err := os.Open("testdata/github-releases.json")
+	if err != nil {
+		t.Errorf("Missing github-release test data")
+	}
+	defer fd.Close()
+
+	var rels []Release
+	json.NewDecoder(fd).Decode(&rels)
+
+	for old, target := range upgrades {
+		upgrade, err := SelectLatestRelease(old, rels)
+		if err != nil {
+			t.Error("Error retrieving latest version", err)
+		}
+		if upgrade.Tag != target {
+			t.Errorf("Invalid upgrade release: %v -> %v, but got %v", old, target, upgrade.Tag)
+		}
+	}
+}
+
+func TestErrorRelease(t *testing.T) {
+	_, err := SelectLatestRelease("v0.11.0-beta", nil)
+	if err == nil {
+		t.Error("Should return an error when no release were available")
+	}
+}

internal/upgrade/upgrade_unsupp.go

@@ -16,6 +16,6 @@ func upgradeToURL(binary, url string) error {
 	return ErrUpgradeUnsupported
 }
 
-func LatestRelease(prerelease bool) (Release, error) {
+func LatestRelease(version string) (Release, error) {
 	return Release{}, ErrUpgradeUnsupported
 }