feat(logging): add interactive shell detection for console output

internal/app/log.go

@@ -4,6 +4,7 @@ import (
 	"io"
 	"os"
 
+	"github.com/AlexxIT/go2rtc/pkg/shell"
 	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
 )
@@ -15,7 +16,7 @@ func NewLogger(format string, level string) zerolog.Logger {
 
 	if format != "json" {
 		writer = zerolog.ConsoleWriter{
-			Out: writer, TimeFormat: "15:04:05.000", NoColor: format == "text",
+			Out: writer, TimeFormat: "15:04:05.000", NoColor: (format == "text" || !shell.IsInteractive(os.Stdout.Fd())),
 		}
 	}
 

pkg/shell/tty.go

@@ -0,0 +1,7 @@
+//go:build !unix
+
+package shell
+
+func IsInteractive(fd uintptr) bool {
+	return false
+}

pkg/shell/tty_unix.go

@@ -0,0 +1,10 @@
+//go:build unix
+
+package shell
+
+import "golang.org/x/sys/unix"
+
+func IsInteractive(fd uintptr) bool {
+	_, err := unix.IoctlGetTermios(int(fd), unix.TIOCGETA)
+	return err == nil
+}