cmd: change exit code from 1 to 2 for syntax and usage errors

cmd/cmd.go

@@ -50,7 +50,6 @@ var (
 	version       bool
 	// Errors
 	errorCommandNotFound    = errors.New("command not found")
-	errorUncategorized      = errors.New("uncategorized error")
 	errorNotEnoughArguments = errors.New("not enough arguments")
 	errorTooManyArguments   = errors.New("too many arguments")
 )
@@ -495,8 +494,6 @@ func resolveExitCode(err error) {
 		os.Exit(exitcode.DirNotFound)
 	case errors.Is(err, fs.ErrorObjectNotFound):
 		os.Exit(exitcode.FileNotFound)
-	case errors.Is(err, errorUncategorized):
-		os.Exit(exitcode.UncategorizedError)
 	case errors.Is(err, accounting.ErrorMaxTransferLimitReached):
 		os.Exit(exitcode.TransferExceeded)
 	case errors.Is(err, fssync.ErrorMaxDurationReached):
@@ -507,8 +504,10 @@ func resolveExitCode(err error) {
 		os.Exit(exitcode.NoRetryError)
 	case fserrors.IsFatalError(err):
 		os.Exit(exitcode.FatalError)
-	default:
+	case errors.Is(err, errorCommandNotFound), errors.Is(err, errorNotEnoughArguments), errors.Is(err, errorTooManyArguments):
 		os.Exit(exitcode.UsageError)
+	default:
+		os.Exit(exitcode.UncategorizedError)
 	}
 }
 
@@ -536,6 +535,7 @@ func Main() {
 		if strings.HasPrefix(err.Error(), "unknown command") && selfupdateEnabled {
 			Root.PrintErrf("You could use '%s selfupdate' to get latest features.\n\n", Root.CommandPath())
 		}
-		fs.Fatalf(nil, "Fatal error: %v", err)
+		fs.Logf(nil, "Fatal error: %v", err)
+		os.Exit(exitcode.UsageError)
 	}
 }

cmdtest/cmdtest_test.go

@@ -174,7 +174,7 @@ func TestCmdTest(t *testing.T) {
 	// Test error and error output
 	out, err = rclone("version", "--provoke-an-error")
 	if assert.Error(t, err) {
-		assert.Contains(t, err.Error(), "exit status 1")
+		assert.Contains(t, err.Error(), "exit status 2")
 		assert.Contains(t, out, "Error: unknown flag")
 	}
 

docs/content/docs.md

@@ -2868,9 +2868,9 @@ messages may not be valid after the retry. If rclone has done a retry
 it will log a high priority message if the retry was successful.
 
 ### List of exit codes ###
-  * `0` - success
+  * `0` - Success
-  * `1` - Syntax or usage error
+  * `1` - Error not otherwise categorised
-  * `2` - Error not otherwise categorised
+  * `2` - Syntax or usage error
   * `3` - Directory not found
   * `4` - File not found
   * `5` - Temporary error (one that more retries might fix) (Retry errors)

lib/exitcode/exitcode.go

@@ -4,10 +4,10 @@ package exitcode
 const (
 	// Success is returned when rclone finished without error.
 	Success = iota
-	// UsageError is returned when there was a syntax or usage error in the arguments.
-	UsageError
 	// UncategorizedError is returned for any error not categorised otherwise.
 	UncategorizedError
+	// UsageError is returned when there was a syntax or usage error in the arguments.
+	UsageError
 	// DirNotFound is returned when a source or destination directory is not found.
 	DirNotFound
 	// FileNotFound is returned when a source or destination file is not found.