chore: Disable funlen linter

.golangci.yml

@@ -23,7 +23,6 @@ issues:
     - path: _test\.go
       linters:
         - dupl
-        - funlen
         - gochecknoglobals
         - gochecknoinits
         - gosec
@@ -32,7 +31,6 @@ issues:
     - path: test
       linters:
         - dupl
-        - funlen
         - gochecknoglobals
         - gochecknoinits
         - gosec
@@ -64,7 +62,6 @@ linters:
     - depguard          # Go linter that checks if package imports are in a list of acceptable packages [fast: true, auto-fix: false]
     - dogsled           # Checks assignments with too many blank identifiers (e.g. x, _, _, _, := f()) [fast: true, auto-fix: false]
     - dupl              # Tool for code clone detection [fast: true, auto-fix: false]
-    - funlen            # Tool for detection of long functions [fast: true, auto-fix: false]
     - gochecknoglobals  # Checks that no globals are present in Go code [fast: true, auto-fix: false]
     - gochecknoinits    # Checks that no init functions are present in Go code [fast: true, auto-fix: false]
     - goconst           # Finds repeated strings that could be replaced by a constant [fast: true, auto-fix: false]

internal/app/app.go

@@ -81,7 +81,7 @@ const (
 	appUsage = "Proton Mail IMAP and SMTP Bridge"
 )
 
-func New() *cli.App { //nolint:funlen
+func New() *cli.App {
 	app := cli.NewApp()
 
 	app.Name = constants.FullAppName
@@ -156,7 +156,7 @@ func New() *cli.App { //nolint:funlen
 	return app
 }
 
-func run(c *cli.Context) error { //nolint:funlen
+func run(c *cli.Context) error {
 	// Seed the default RNG from the math/rand package.
 	rand.Seed(time.Now().UnixNano())
 

internal/app/bridge.go

@@ -47,7 +47,7 @@ const vaultSecretName = "bridge-vault-key"
 var deleteOldGoIMAPFiles bool //nolint:gochecknoglobals
 
 // withBridge creates creates and tears down the bridge.
-func withBridge( //nolint:funlen
+func withBridge(
 	c *cli.Context,
 	exe string,
 	locations *locations.Locations,

internal/app/migration.go

@@ -187,7 +187,6 @@ func migrateOldAccount(userID string, store *credentials.Store, v *vault.Vault)
 	return nil
 }
 
-// nolint:funlen
 func migratePrefsToVault(vault *vault.Vault, b []byte) error {
 	var prefs struct {
 		IMAPPort int  `json:"user_port_imap,,string"`

internal/bridge/bridge.go

@@ -128,7 +128,7 @@ type Bridge struct {
 }
 
 // New creates a new bridge.
-func New( //nolint:funlen
+func New(
 	locator Locator, // the locator to provide paths to store data
 	vault *vault.Vault, // the bridge's encrypted data store
 	autostarter Autostarter, // the autostarter to manage autostart settings
@@ -191,7 +191,6 @@ func New( //nolint:funlen
 	return bridge, eventCh, nil
 }
 
-// nolint:funlen
 func newBridge(
 	tasks *async.Group,
 	imapEventCh chan imapEvents.Event,
@@ -302,7 +301,6 @@ func newBridge(
 	return bridge, nil
 }
 
-// nolint:funlen
 func (bridge *Bridge) init(tlsReporter TLSReporter) error {
 	// Enable or disable the proxy at startup.
 	if bridge.vault.GetProxyAllowed() {

internal/bridge/bug_report.go

@@ -37,7 +37,7 @@ const (
 	MaxCompressedFilesCount = 6
 )
 
-func (bridge *Bridge) ReportBug(ctx context.Context, osType, osVersion, description, username, email, client string, attachLogs bool) error { //nolint:funlen
+func (bridge *Bridge) ReportBug(ctx context.Context, osType, osVersion, description, username, email, client string, attachLogs bool) error {
 	var account string
 
 	if info, err := bridge.QueryUserInfo(username); err == nil {

internal/bridge/imap.go

@@ -123,8 +123,6 @@ func (bridge *Bridge) closeIMAP(ctx context.Context) error {
 }
 
 // addIMAPUser connects the given user to gluon.
-//
-//nolint:funlen
 func (bridge *Bridge) addIMAPUser(ctx context.Context, user *user.User) error {
 	if bridge.imapServer == nil {
 		return fmt.Errorf("no imap server instance running")
@@ -276,7 +274,6 @@ func ApplyGluonConfigPathSuffix(basePath string) string {
 	return filepath.Join(basePath, "backend", "db")
 }
 
-// nolint:funlen
 func newIMAPServer(
 	gluonCacheDir, gluonConfigDir string,
 	version *semver.Version,

internal/frontend/cli/accounts.go

@@ -115,7 +115,7 @@ func (f *frontendCLI) showAccountAddressInfo(user bridge.UserInfo, address strin
 	f.Println("")
 }
 
-func (f *frontendCLI) loginAccount(c *ishell.Context) { //nolint:funlen
+func (f *frontendCLI) loginAccount(c *ishell.Context) {
 	f.ShowPrompt(false)
 	defer f.ShowPrompt(true)
 

internal/frontend/cli/frontend.go

@@ -40,7 +40,7 @@ type frontendCLI struct {
 }
 
 // New returns a new CLI frontend configured with the given options.
-func New(bridge *bridge.Bridge, restarter *restarter.Restarter, eventCh <-chan events.Event) *frontendCLI { //nolint:funlen,revive
+func New(bridge *bridge.Bridge, restarter *restarter.Restarter, eventCh <-chan events.Event) *frontendCLI { //nolint:revive
 	fe := &frontendCLI{
 		Shell:     ishell.New(),
 		bridge:    bridge,
@@ -261,7 +261,7 @@ func New(bridge *bridge.Bridge, restarter *restarter.Restarter, eventCh <-chan e
 	return fe
 }
 
-func (f *frontendCLI) watchEvents(eventCh <-chan events.Event) { // nolint:funlen,gocyclo
+func (f *frontendCLI) watchEvents(eventCh <-chan events.Event) { // nolint:gocyclo
 	// GODT-1949: Better error events.
 	for _, err := range f.bridge.GetErrors() {
 		switch {

internal/frontend/grpc/service.go

@@ -94,8 +94,6 @@ type Service struct { // nolint:structcheck
 }
 
 // NewService returns a new instance of the service.
-//
-// nolint:funlen
 func NewService(
 	panicHandler CrashHandler,
 	restarter Restarter,
@@ -246,7 +244,7 @@ func (s *Service) WaitUntilFrontendIsReady() {
 	s.initializing.Wait()
 }
 
-// nolint:funlen,gocyclo
+// nolint:gocyclo
 func (s *Service) watchEvents() {
 	// GODT-1949 Better error events.
 	for _, err := range s.bridge.GetErrors() {

internal/frontend/grpc/service_stream.go

@@ -110,7 +110,7 @@ func (s *Service) SendEvent(event *StreamEvent) error {
 }
 
 // StartEventTest sends all the known event via gRPC.
-func (s *Service) StartEventTest() error { //nolint:funlen
+func (s *Service) StartEventTest() error {
 	const dummyAddress = "dummy@proton.me"
 	events := []*StreamEvent{
 		// app

internal/updater/sync.go

@@ -142,7 +142,7 @@ func checksum(path string) (hash string) {
 
 // srcDir including app folder.
 // dstDir including app folder.
-func copyRecursively(srcDir, dstDir string) error { //nolint:funlen
+func copyRecursively(srcDir, dstDir string) error {
 	return filepath.Walk(srcDir, func(srcPath string, srcInfo os.FileInfo, err error) error {
 		if err != nil {
 			return err

internal/user/events.go

@@ -415,7 +415,7 @@ func (user *User) handleDeleteLabelEvent(ctx context.Context, event proton.Label
 }
 
 // handleMessageEvents handles the given message events.
-func (user *User) handleMessageEvents(ctx context.Context, messageEvents []proton.MessageEvent) error { //nolint:funlen
+func (user *User) handleMessageEvents(ctx context.Context, messageEvents []proton.MessageEvent) error {
 	for _, event := range messageEvents {
 		ctx = logging.WithLogrusField(ctx, "messageID", event.ID)
 

internal/user/imap.go

@@ -264,8 +264,6 @@ func (conn *imapConnector) DeleteMailbox(ctx context.Context, labelID imap.Mailb
 }
 
 // CreateMessage creates a new message on the remote.
-//
-// nolint:funlen
 func (conn *imapConnector) CreateMessage(
 	ctx context.Context,
 	mailboxID imap.MailboxID,
@@ -589,7 +587,7 @@ func toIMAPMessage(message proton.MessageMetadata) imap.Message {
 	}
 }
 
-func (conn *imapConnector) createDraft(ctx context.Context, literal []byte, addrKR *crypto.KeyRing, sender proton.Address) (proton.Message, error) { //nolint:funlen
+func (conn *imapConnector) createDraft(ctx context.Context, literal []byte, addrKR *crypto.KeyRing, sender proton.Address) (proton.Message, error) {
 	// Create a new message parser from the reader.
 	parser, err := parser.New(bytes.NewReader(literal))
 	if err != nil {

internal/user/send_recorder.go

@@ -218,8 +218,6 @@ func (h *sendRecorder) getWaitCh(hash string) (<-chan struct{}, bool) {
 // - the Content-Type header of each (leaf) part,
 // - the Content-Disposition header of each (leaf) part,
 // - the (decoded) body of each part.
-//
-// nolint:funlen
 func getMessageHash(b []byte) (string, error) {
 	section := rfc822.Parse(b)
 

internal/user/smtp.go

@@ -47,8 +47,6 @@ import (
 )
 
 // sendMail sends an email from the given address to the given recipients.
-//
-// nolint:funlen
 func (user *User) sendMail(authID string, from string, to []string, r io.Reader) error {
 	return safe.RLockRet(func() error {
 		ctx, cancel := context.WithCancel(context.Background())
@@ -165,7 +163,7 @@ func (user *User) sendMail(authID string, from string, to []string, r io.Reader)
 }
 
 // sendWithKey sends the message with the given address key.
-func sendWithKey( //nolint:funlen
+func sendWithKey(
 	ctx context.Context,
 	client *proton.Client,
 	sentry reporter.Reporter,
@@ -247,7 +245,7 @@ func sendWithKey( //nolint:funlen
 	return res, nil
 }
 
-func getParentID( //nolint:funlen
+func getParentID(
 	ctx context.Context,
 	client *proton.Client,
 	authAddrID string,
@@ -375,7 +373,6 @@ func createDraft(
 	})
 }
 
-// nolint:funlen
 func createAttachments(
 	ctx context.Context,
 	client *proton.Client,

internal/user/sync.go

@@ -87,7 +87,6 @@ func (user *User) doSync(ctx context.Context) error {
 	return nil
 }
 
-// nolint:funlen
 func (user *User) sync(ctx context.Context) error {
 	return safe.RLockRet(func() error {
 		return withAddrKRs(user.apiUser, user.apiAddrs, user.vault.KeyPass(), func(_ *crypto.KeyRing, addrKRs map[string]*crypto.KeyRing) error {
@@ -218,7 +217,7 @@ func toMB(v uint64) float64 {
 	return float64(v) / float64(Megabyte)
 }
 
-// nolint:funlen,gocyclo
+// nolint:gocyclo
 func syncMessages(
 	ctx context.Context,
 	userID string,

internal/user/user.go

@@ -90,8 +90,6 @@ type User struct {
 }
 
 // New returns a new user.
-//
-// nolint:funlen
 func New(
 	ctx context.Context,
 	encVault *vault.User,
@@ -101,7 +99,7 @@ func New(
 	crashHandler async.PanicHandler,
 	showAllMail bool,
 	maxSyncMemory uint64,
-) (*User, error) { //nolint:funlen
+) (*User, error) {
 	logrus.WithField("userID", apiUser.ID).Info("Creating new user")
 
 	// Get the user's API addresses.
@@ -419,8 +417,6 @@ func (user *User) NewIMAPConnectors() (map[string]connector.Connector, error) {
 }
 
 // SendMail sends an email from the given address to the given recipients.
-//
-// nolint:funlen
 func (user *User) SendMail(authID string, from string, to []string, r io.Reader) error {
 	defer user.goPollAPIEvents(true)
 

pkg/message/build.go

@@ -325,7 +325,7 @@ func buildPGPMIMEFallbackRFC822(msg proton.Message, opts JobOptions, buf *bytes.
 	return nil
 }
 
-func writeMultipartSignedRFC822(header message.Header, body []byte, sig proton.Signature, buf *bytes.Buffer) error { //nolint:funlen
+func writeMultipartSignedRFC822(header message.Header, body []byte, sig proton.Signature, buf *bytes.Buffer) error {
 	boundary := newBoundary("").gen()
 
 	header.SetContentType("multipart/signed", map[string]string{
@@ -427,7 +427,7 @@ func addressEmpty(address *mail.Address) bool {
 	return false
 }
 
-func getMessageHeader(msg proton.Message, opts JobOptions) message.Header { //nolint:funlen
+func getMessageHeader(msg proton.Message, opts JobOptions) message.Header {
 	hdr := toMessageHeader(msg.ParsedHeaders)
 
 	// SetText will RFC2047-encode.

pkg/message/parser.go

@@ -433,7 +433,7 @@ func getPlainBody(part *parser.Part) []byte {
 	}
 }
 
-func parseMessageHeader(h message.Header) (Message, error) { //nolint:funlen
+func parseMessageHeader(h message.Header) (Message, error) {
 	var m Message
 
 	for fields := h.Fields(); fields.Next(); {

utils/hasher/main.go

@@ -32,7 +32,7 @@ func main() {
 	}
 }
 
-func createApp() *cli.App { //nolint:funlen
+func createApp() *cli.App {
 	app := cli.NewApp()
 
 	app.Name = "hasher"

utils/versioner/main.go

@@ -42,7 +42,7 @@ func main() {
 	}
 }
 
-func createApp() *cli.App { //nolint:funlen
+func createApp() *cli.App {
 	app := cli.NewApp()
 
 	app.Name = "versioner"