func (g *Git) runOutputWithOpts(opts runutil.Opts, args ...string) ([]string, error) {
var stdout, stderr bytes.Buffer
opts.Stdout = &stdout
opts.Stderr = &stderr
if err := g.commandWithOpts(opts, args...); err != nil {
return nil, err
}
output := strings.TrimSpace(stdout.String())
if output == "" {
return nil, nil
} else {
return strings.Split(output, "\n"), nil
}
}
func (g *Git) commandWithOpts(opts runutil.Opts, args ...string) error {
if g.rootDir != "" {
opts.Dir = g.rootDir
}
if err := g.r.CommandWithOpts(opts, "git", args...); err != nil {
stdout, stderr := "", ""
buf, ok := opts.Stdout.(*bytes.Buffer)
if ok {
stdout = buf.String()
}
buf, ok = opts.Stderr.(*bytes.Buffer)
if ok {
stderr = buf.String()
}
return Error(stdout, stderr, args...)
}
return nil
}