add reusable stignore sync release automation

Keep main as an upstream mirror while storing the local .stignore behavior, GUI marker, reusable patch files, and Gitea release workflow in one replayable branch commit.

lib/model/requests_test.go

@@ -974,13 +974,15 @@ func TestIgnoreDeleteUnignore(t *testing.T) {
 	file := "foobar"
 	contents := []byte("test file contents\n")
 
-	basicCheck := func(fs []protocol.FileInfo) {
+	basicCheck := func(fs []protocol.FileInfo) protocol.FileInfo {
 		t.Helper()
-		if len(fs) != 1 {
-			t.Fatal("expected a single index entry, got", len(fs))
-		} else if fs[0].Name != file {
-			t.Fatalf("expected a index entry for %v, got one for %v", file, fs[0].Name)
+		for _, f := range fs {
+			if f.Name == file {
+				return f
+			}
 		}
+		t.Fatalf("expected an index entry for %v, got %v", file, fs)
+		return protocol.FileInfo{}
 	}
 
 	done := make(chan struct{})
@@ -1001,8 +1003,7 @@ func TestIgnoreDeleteUnignore(t *testing.T) {
 
 	done = make(chan struct{})
 	fc.setIndexFn(func(_ context.Context, folder string, fs []protocol.FileInfo) error {
-		basicCheck(fs)
-		f := fs[0]
+		f := basicCheck(fs)
 		if !f.IsInvalid() {
 			t.Errorf("Received non-invalid index update")
 		}
@@ -1022,8 +1023,7 @@ func TestIgnoreDeleteUnignore(t *testing.T) {
 
 	done = make(chan struct{})
 	fc.setIndexFn(func(_ context.Context, folder string, fs []protocol.FileInfo) error {
-		basicCheck(fs)
-		f := fs[0]
+		f := basicCheck(fs)
 		if f.IsInvalid() {
 			t.Errorf("Received invalid index update")
 		}