all: sync with master

internal/aghos/filewalker.go

@@ -97,6 +97,8 @@ func (fw FileWalker) Walk(fsys fs.FS, initial ...string) (ok bool, err error) {
 	var filename string
 	defer func() { err = errors.Annotate(err, "checking %q: %w", filename) }()
 
+	// TODO(e.burkov):  Redo this loop, as it modifies the very same slice it
+	// iterates over.
 	for i := 0; i < len(src); i++ {
 		var patterns []string
 		var cont bool

internal/aghos/os.go

@@ -159,21 +159,11 @@ func NotifyReconfigureSignal(c chan<- os.Signal) {
 	notifyReconfigureSignal(c)
 }
 
-// NotifyShutdownSignal notifies c on receiving shutdown signals.
-func NotifyShutdownSignal(c chan<- os.Signal) {
-	notifyShutdownSignal(c)
-}
-
 // IsReconfigureSignal returns true if sig is a reconfigure signal.
 func IsReconfigureSignal(sig os.Signal) (ok bool) {
 	return isReconfigureSignal(sig)
 }
 
-// IsShutdownSignal returns true if sig is a shutdown signal.
-func IsShutdownSignal(sig os.Signal) (ok bool) {
-	return isShutdownSignal(sig)
-}
-
 // SendShutdownSignal sends the shutdown signal to the channel.
 func SendShutdownSignal(c chan<- os.Signal) {
 	sendShutdownSignal(c)

internal/aghos/os_unix.go

@@ -13,26 +13,10 @@ func notifyReconfigureSignal(c chan<- os.Signal) {
 	signal.Notify(c, unix.SIGHUP)
 }
 
-func notifyShutdownSignal(c chan<- os.Signal) {
-	signal.Notify(c, unix.SIGINT, unix.SIGQUIT, unix.SIGTERM)
-}
-
 func isReconfigureSignal(sig os.Signal) (ok bool) {
 	return sig == unix.SIGHUP
 }
 
-func isShutdownSignal(sig os.Signal) (ok bool) {
-	switch sig {
-	case
-		unix.SIGINT,
-		unix.SIGQUIT,
-		unix.SIGTERM:
-		return true
-	default:
-		return false
-	}
-}
-
 func sendShutdownSignal(_ chan<- os.Signal) {
 	// On Unix we are already notified by the system.
 }

internal/aghos/os_windows.go

@@ -5,7 +5,6 @@ package aghos
 import (
 	"os"
 	"os/signal"
-	"syscall"
 
 	"golang.org/x/sys/windows"
 )
@@ -43,25 +42,10 @@ func notifyReconfigureSignal(c chan<- os.Signal) {
 	signal.Notify(c, windows.SIGHUP)
 }
 
-func notifyShutdownSignal(c chan<- os.Signal) {
-	// syscall.SIGTERM is processed automatically.  See go doc os/signal,
-	// section Windows.
-	signal.Notify(c, os.Interrupt)
-}
-
 func isReconfigureSignal(sig os.Signal) (ok bool) {
 	return sig == windows.SIGHUP
 }
 
-func isShutdownSignal(sig os.Signal) (ok bool) {
-	switch sig {
-	case os.Interrupt, syscall.SIGTERM:
-		return true
-	default:
-		return false
-	}
-}
-
 func sendShutdownSignal(c chan<- os.Signal) {
 	c <- os.Interrupt
 }