blob: 3220a8540640087b2482a5fffc2f437858d0280e [file] [log] [blame]
// Copyright (C) 2016 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package git
import (
"bytes"
"fmt"
"io"
"os/exec"
"android.googlesource.com/platform/tools/gpu/client/shell"
"android.googlesource.com/platform/tools/gpu/framework/log"
)
var exe string
// Git is a go-wrapper for the git version control system.
type Git struct {
exe string
wd string
}
// New returns a new Git instance targeting the working directory wd.
func New(wd string) (Git, error) {
if exe == "" {
path, err := exec.LookPath("git")
if err != nil {
return Git{}, fmt.Errorf("Couldn't find git: %v", err)
}
exe = path
}
return Git{
wd: wd,
exe: exe,
}, nil
}
func (g Git) run(ctx log.Context, args ...interface{}) (string, string, error) {
return g.runWithStdin(ctx, nil, args...)
}
func (g Git) runWithStdin(ctx log.Context, stdin io.Reader, args ...interface{}) (string, string, error) {
argstrs := make([]string, len(args))
for i := range args {
argstrs[i] = fmt.Sprint(args[i])
}
stdout := &bytes.Buffer{}
stderr := &bytes.Buffer{}
cmd := shell.Command("git", argstrs...).In(g.wd).Read(stdin).Capture(stdout, stderr)
err := cmd.Run(ctx)
return stdout.String(), stderr.String(), err
}