chore: make the linter happier (#3245)

* chore: make the linter happier

* chore: remove reference to maligned linter in .golangci.yml

modules/caddyhttp/caddyauth/basicauth.go

@@ -77,8 +77,8 @@ func (hba *HTTPBasicAuth) Provision(ctx caddy.Context) error {
 		}
 
 		acct.Username = repl.ReplaceAll(acct.Username, "")
-		acct.Password = repl.ReplaceAll(string(acct.Password), "")
-		acct.Salt = repl.ReplaceAll(string(acct.Salt), "")
+		acct.Password = repl.ReplaceAll(acct.Password, "")
+		acct.Salt = repl.ReplaceAll(acct.Salt, "")
 
 		if acct.Username == "" || acct.Password == "" {
 			return fmt.Errorf("account %d: username and password are required", i)

modules/caddyhttp/caddyauth/command.go

@@ -76,7 +76,7 @@ func cmdHashPassword(fs caddycmd.Flags) (int, error) {
 		return caddy.ExitCodeFailedStartup, err
 	}
 
-	hashBase64 := base64.StdEncoding.EncodeToString([]byte(hash))
+	hashBase64 := base64.StdEncoding.EncodeToString(hash)
 
 	fmt.Println(hashBase64)
 

modules/caddyhttp/fileserver/caddyfile.go

@@ -146,7 +146,7 @@ func parseTryFiles(h httpcaddyfile.Helper) ([]httpcaddyfile.ConfigValue, error)
 	// if there are query strings in the list, we have to split into
 	// a separate route for each item with a query string, because
 	// the rewrite is different for that item
-	var try []string
+	try := make([]string, 0, len(tryFiles))
 	for _, item := range tryFiles {
 		if idx := strings.Index(item, "?"); idx >= 0 {
 			if len(try) > 0 {

modules/caddyhttp/replacer.go

@@ -188,7 +188,7 @@ func addHTTPVarsToReplacer(repl *caddy.Replacer, req *http.Request, w http.Respo
 			if strings.HasPrefix(key, varsReplPrefix) {
 				varName := key[len(varsReplPrefix):]
 				tbl := req.Context().Value(VarsCtxKey).(map[string]interface{})
-				raw, _ := tbl[varName]
+				raw := tbl[varName]
 				// variables can be dynamic, so always return true
 				// even when it may not be set; treat as empty then
 				return raw, true

modules/caddyhttp/responsewriter.go

@@ -76,13 +76,13 @@ var ErrNotImplemented = fmt.Errorf("method not implemented")
 
 type responseRecorder struct {
 	*ResponseWriterWrapper
-	wroteHeader  bool
 	statusCode   int
 	buf          *bytes.Buffer
 	shouldBuffer ShouldBufferFunc
-	stream       bool
 	size         int
 	header       http.Header
+	wroteHeader  bool
+	stream       bool
 }
 
 // NewResponseRecorder returns a new ResponseRecorder that can be

modules/caddyhttp/routes.go

@@ -167,7 +167,7 @@ func (routes RouteList) ProvisionHandlers(ctx caddy.Context) error {
 // This should only be done once: after all the routes have
 // been provisioned, and before serving requests.
 func (routes RouteList) Compile(next Handler) Handler {
-	var mid []Middleware
+	mid := make([]Middleware, 0, len(routes))
 	for _, route := range routes {
 		mid = append(mid, wrapRoute(route))
 	}

modules/caddyhttp/templates/frontmatter.go

@@ -33,7 +33,7 @@ func extractFrontMatter(input string) (map[string]interface{}, string, error) {
 	// see what kind of front matter there is, if any
 	var closingFence string
 	var fmParser func([]byte) (map[string]interface{}, error)
-	switch string(firstLine) {
+	switch firstLine {
 	case yamlFrontMatterFenceOpen:
 		fmParser = yamlFrontMatter
 		closingFence = yamlFrontMatterFenceClose

modules/caddytls/automation.go

@@ -150,7 +150,7 @@ func (ap *AutomationPolicy) Provision(tlsApp *TLS) error {
 	// none of the subjects qualify for a public certificate,
 	// set the issuer to internal so that these names can all
 	// get certificates; critically, we can only do this if an
-	// issuer is not explictly configured (IssuerRaw, vs. just
+	// issuer is not explicitly configured (IssuerRaw, vs. just
 	// Issuer) AND if the list of subjects is non-empty
 	if ap.IssuerRaw == nil && len(ap.Subjects) > 0 {
 		var anyPublic bool

modules/caddytls/fileloader.go

@@ -57,7 +57,7 @@ type CertKeyFilePair struct {
 
 // LoadCertificates returns the certificates to be loaded by fl.
 func (fl FileLoader) LoadCertificates() ([]Certificate, error) {
-	var certs []Certificate
+	certs := make([]Certificate, 0, len(fl))
 	for _, pair := range fl {
 		certData, err := ioutil.ReadFile(pair.Certificate)
 		if err != nil {

modules/caddytls/pemloader.go

@@ -54,7 +54,7 @@ type CertKeyPEMPair struct {
 
 // LoadCertificates returns the certificates contained in pl.
 func (pl PEMLoader) LoadCertificates() ([]Certificate, error) {
-	var certs []Certificate
+	certs := make([]Certificate, 0, len(pl))
 	for i, pair := range pl {
 		cert, err := tls.X509KeyPair([]byte(pair.CertificatePEM), []byte(pair.KeyPEM))
 		if err != nil {

modules/caddytls/tls.go

@@ -471,7 +471,7 @@ func (t *TLS) moveCertificates() error {
 	}
 
 	// get list of used CAs
-	var oldCANames []string
+	oldCANames := make([]string, 0, len(oldAcmeCas))
 	for _, fi := range oldAcmeCas {
 		if !fi.IsDir() {
 			continue