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https://github.com/golang/go
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947ea6f750
Do not rewrite commands if they have .bash extnsion. Use path/filepath to manipulate file paths everywhere. Use all.bat on windows, not all.bash. Use HOMEDRIVE/HOMEPATH to find .gobuildkey on windows. R=rsc CC=golang-dev https://golang.org/cl/5630062
62 lines
1.4 KiB
Go
62 lines
1.4 KiB
Go
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"bytes"
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"io"
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"log"
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"os"
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"os/exec"
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)
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// run is a simple wrapper for exec.Run/Close
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func run(envv []string, dir string, argv ...string) error {
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if *verbose {
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log.Println("run", argv)
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}
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cmd := exec.Command(argv[0], argv[1:]...)
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cmd.Dir = dir
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cmd.Env = envv
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cmd.Stderr = os.Stderr
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return cmd.Run()
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}
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// runLog runs a process and returns the combined stdout/stderr,
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// as well as writing it to logfile (if specified). It returns
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// process combined stdout and stderr output, exit status and error.
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// The error returned is nil, if process is started successfully,
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// even if exit status is not 0.
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func runLog(envv []string, logfile, dir string, argv ...string) (string, int, error) {
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if *verbose {
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log.Println("runLog", argv)
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}
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b := new(bytes.Buffer)
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var w io.Writer = b
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if logfile != "" {
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f, err := os.OpenFile(logfile, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0666)
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if err != nil {
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return "", 0, err
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}
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defer f.Close()
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w = io.MultiWriter(f, b)
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}
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cmd := exec.Command(argv[0], argv[1:]...)
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cmd.Dir = dir
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cmd.Env = envv
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cmd.Stdout = w
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cmd.Stderr = w
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err := cmd.Run()
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if err != nil {
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if ws, ok := err.(*exec.ExitError); ok {
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return b.String(), ws.ExitStatus(), nil
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}
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}
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return b.String(), 0, err
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}
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