Various style fixes

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/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/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/model.go

@@ -862,11 +862,11 @@ 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) {

internal/scanner/walk.go

@@ -201,7 +201,7 @@ 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/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/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 {