isModified check must only look at ifchanges

[goredo.git] / status.go

diff --git a/status.go b/status.go
index d9e7f56a134e9d5e53d967437e35b71c2e9f8e6e..d6f7c0d4f9898270ca3df148584415a802b49a8b 100644 (file)
--- a/status.go
+++ b/status.go
@@ -1,5 +1,5 @@
 /*
-goredo -- redo implementation on pure Go
+goredo -- djb's redo implementation on pure Go
 Copyright (C) 2020-2021 Sergey Matveev <stargrave@stargrave.org>
 
 This program is free software: you can redistribute it and/or modify
@@ -20,6 +20,7 @@ package main
 import (
        "flag"
        "fmt"
+       "log"
        "os"
 )
 
@@ -36,9 +37,17 @@ const (
 var (
        FdStatus *os.File
 
-       flagNoStatus = flag.Bool("no-status", false, "disable statusline (REDO_NO_STATUS=1)")
+       flagNoStatus *bool
 )
 
+func init() {
+       cmdName := CmdName()
+       if !(cmdName == CmdNameRedo || cmdName == CmdNameRedoIfchange) {
+               return
+       }
+       flagNoStatus = flag.Bool("no-status", false, "disable statusline (REDO_NO_STATUS=1)")
+}
+
 func statusInit() {
        if NoProgress || *flagNoStatus {
                return
@@ -57,7 +66,7 @@ func statusInit() {
        var err error
        r, FdStatus, err = os.Pipe()
        if err != nil {
-               panic(err)
+               log.Fatalln(err)
        }
        go func() {
                running := 0
@@ -95,8 +104,9 @@ func statusInit() {
                                        CJS, done, CReset,
                                )
                        }
+                       out = erasedStatus(out, "\r")
                        LogMutex.Lock()
-                       os.Stderr.WriteString(fillUpToTermSize(out, "\r"))
+                       os.Stderr.WriteString(out)
                        LogMutex.Unlock()
                }
        }()