v2: housekeeping: address minor lint complaints (#2957)

* v2: housekeeping: update tools

* v2: housekeeping: adhere to US locale in spelling

* v2: housekeeping: simplify code

azure-pipelines.yml

@@ -78,7 +78,7 @@ jobs:
     condition: eq( variables['Agent.OS'], 'Windows_NT' )
     displayName: Install Go on Windows
 
-  - bash: curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.19.1
+  - bash: curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.22.2
     displayName: Install golangci-lint
 
   - script: |
@@ -198,7 +198,7 @@ jobs:
       sudo apt update && sudo apt install -y clang-7 lldb-7 lld-7
 
       go get -v github.com/dvyukov/go-fuzz/go-fuzz github.com/dvyukov/go-fuzz/go-fuzz-build
-      wget -q -O fuzzit https://github.com/fuzzitdev/fuzzit/releases/download/v2.4.74/fuzzit_Linux_x86_64
+      wget -q -O fuzzit https://github.com/fuzzitdev/fuzzit/releases/download/v2.4.77/fuzzit_Linux_x86_64
       chmod a+x fuzzit
       mv fuzzit $(GOBIN)
     displayName: Download go-fuzz tools and the Fuzzit CLI, and move Fuzzit CLI to GOBIN

context.go

@@ -30,7 +30,7 @@ import (
 // that spawned the modules which are loaded. It should be used
 // with care and wrapped with derivation functions from the
 // standard context package only if you don't need the Caddy
-// specific features. These contexts are cancelled when the
+// specific features. These contexts are canceled when the
 // lifetime of the modules loaded from it is over.
 //
 // Use NewContext() to get a valid value (but most modules will
@@ -75,7 +75,7 @@ func NewContext(ctx Context) (Context, context.CancelFunc) {
 	return newCtx, wrappedCancel
 }
 
-// OnCancel executes f when ctx is cancelled.
+// OnCancel executes f when ctx is canceled.
 func (ctx *Context) OnCancel(f func()) {
 	ctx.cleanupFuncs = append(ctx.cleanupFuncs, f)
 }

listeners.go

@@ -138,7 +138,7 @@ func (fcl *fakeCloseListener) Accept() (net.Conn, error) {
 	fcl.deadlineMu.Unlock()
 
 	if atomic.LoadInt32(&fcl.closed) == 1 {
-		// if we cancelled the Accept() by setting a deadline
+		// if we canceled the Accept() by setting a deadline
 		// on the listener, we need to make sure any callers of
 		// Accept() think the listener was actually closed;
 		// if we return the timeout error instead, callers might

logging.go

@@ -76,7 +76,7 @@ type Logging struct {
 }
 
 // openLogs sets up the config and opens all the configured writers.
-// It closes its logs when ctx is cancelled, so it should clean up
+// It closes its logs when ctx is canceled, so it should clean up
 // after itself.
 func (logging *Logging) openLogs(ctx Context) error {
 	// make sure to deallocate resources when context is done
@@ -184,7 +184,7 @@ func (logging *Logging) setupNewDefault(ctx Context) error {
 
 // closeLogs cleans up resources allocated during openLogs.
 // A successful call to openLogs calls this automatically
-// when the context is cancelled.
+// when the context is canceled.
 func (logging *Logging) closeLogs() error {
 	for _, key := range logging.writerKeys {
 		_, err := writers.Delete(key)

modules/caddyhttp/reverseproxy/streaming.go

@@ -68,7 +68,6 @@ func (h Handler) handleUpgradeResponse(rw http.ResponseWriter, req *http.Request
 	go spc.copyToBackend(errc)
 	go spc.copyFromBackend(errc)
 	<-errc
-	return
 }
 
 // flushInterval returns the p.FlushInterval value, conditionally

modules/caddyhttp/starlarkmw/internal/lib/module.go

@@ -60,7 +60,7 @@ func (r *LoadMiddleware) Run(thread *starlark.Thread, fn *starlark.Builtin, args
 
 	js := json.RawMessage(cfg.String())
 
-	if strings.Index(name, "http.handlers.") == -1 {
+	if !strings.Contains(name, "http.handlers.") {
 		name = fmt.Sprintf("http.handlers.%s", name)
 	}
 
@@ -108,7 +108,7 @@ func (r *LoadResponder) Run(thread *starlark.Thread, fn *starlark.Builtin, args
 
 	js := json.RawMessage(cfg.String())
 
-	if strings.Index(name, "http.handlers.") == -1 {
+	if !strings.Contains(name, "http.handlers.") {
 		name = fmt.Sprintf("http.handlers.%s", name)
 	}
 

modules/caddyhttp/templates/templates.go

@@ -259,9 +259,7 @@ func (t *Templates) ServeHTTP(w http.ResponseWriter, r *http.Request, next caddy
 	// refresh, so disable them until we find a better way to do this
 	rec.Header().Del("Etag")
 
-	rec.WriteResponse()
-
-	return nil
+	return rec.WriteResponse()
 }
 
 // executeTemplate executes the template contained in wb.buf and replaces it with the results.

modules/caddytls/connpolicy.go

@@ -179,7 +179,7 @@ func (p *ConnectionPolicy) buildStandardTLSConfig(ctx caddy.Context) error {
 		// session ticket key rotation
 		tlsApp.SessionTickets.register(cfg)
 		ctx.OnCancel(func() {
-			// do cleanup when the context is cancelled because,
+			// do cleanup when the context is canceled because,
 			// though unlikely, it is possible that a context
 			// needing a TLS server config could exist for less
 			// than the lifetime of the whole app

modules/logging/filewriter.go

@@ -96,7 +96,7 @@ func (fw FileWriter) WriterKey() string {
 // OpenWriter opens a new file writer.
 func (fw FileWriter) OpenWriter() (io.WriteCloser, error) {
 	// roll log files by default
-	if fw.Roll == nil || *fw.Roll == true {
+	if fw.Roll == nil || *fw.Roll {
 		if fw.RollSizeMB == 0 {
 			fw.RollSizeMB = 100
 		}