Merge pull request #4288 from MichaelEischer/log-warnings-to-debug-log

Add warnings via Warnf to the debug log

cmd/restic/cleanup.go

@@ -78,5 +78,6 @@ func CleanupHandler(c <-chan os.Signal) {
 // given exit code.
 func Exit(code int) {
 	code = RunCleanupHandlers(code)
+	debug.Log("exiting with status code %d", code)
 	os.Exit(code)
 }

cmd/restic/global.go

@@ -282,6 +282,7 @@ func Warnf(format string, args ...interface{}) {
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "unable to write to stderr: %v\n", err)
 	}
+	debug.Log(format, args...)
 }
 
 // resolvePassword determines the password to be used for opening the repository.