jsonnet-bundler/pkg/git.go
Frederic Branczyk cb59934d1d
Initial commit
2018-04-24 16:01:37 +01:00

68 lines
1.6 KiB
Go

// Copyright 2018 jsonnet-bundler authors
//
// 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 pkg
import (
"bytes"
"context"
"os"
"os/exec"
"strings"
"github.com/jsonnet-bundler/jsonnet-bundler/spec"
)
type GitPackage struct {
Source *spec.GitSource
}
func NewGitPackage(source *spec.GitSource) Interface {
return &GitPackage{
Source: source,
}
}
func (p *GitPackage) Install(ctx context.Context, dir, version string) (string, error) {
cmd := exec.CommandContext(ctx, "git", "clone", p.Source.Remote, dir)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
err := cmd.Run()
if err != nil {
return "", err
}
cmd = exec.CommandContext(ctx, "git", "checkout", version)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Dir = dir
err = cmd.Run()
if err != nil {
return "", err
}
b := bytes.NewBuffer(nil)
cmd = exec.CommandContext(ctx, "git", "rev-parse", "HEAD")
cmd.Stdout = b
cmd.Dir = dir
err = cmd.Run()
if err != nil {
return "", err
}
commitHash := strings.TrimSpace(b.String())
return commitHash, nil
}