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cmdutil.go
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cmdutil.go
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package godzil
import (
"bytes"
"io"
"os/exec"
"strings"
)
func git(args ...string) (string, string, error) {
var (
outBuf bytes.Buffer
errBuf bytes.Buffer
)
cmd := exec.Command("git", args...)
cmd.Stdout = &outBuf
cmd.Stderr = &errBuf
err := cmd.Run()
return strings.TrimSpace(outBuf.String()), strings.TrimSpace(errBuf.String()), err
}
type cmd struct {
outStream, errStream io.Writer
dir string
err error
}
func (c *cmd) git(args ...string) (string, string) {
return c.run("git", args...)
}
func (c *cmd) run(prog string, args ...string) (string, string) {
if c.err != nil {
return "", ""
}
var (
outBuf bytes.Buffer
errBuf bytes.Buffer
)
cmd := exec.Command(prog, args...)
cmd.Stdout = io.MultiWriter(&outBuf, c.outStream)
cmd.Stderr = io.MultiWriter(&errBuf, c.errStream)
if c.dir != "" {
cmd.Dir = c.dir
}
c.err = cmd.Run()
return outBuf.String(), errBuf.String()
}