mirror of
https://github.com/kubernetes-sigs/kustomize.git
synced 2026-05-21 06:21:43 +00:00
69 lines
1.7 KiB
Go
69 lines
1.7 KiB
Go
/*
|
|
Copyright 2018 The Kubernetes 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 git
|
|
|
|
import (
|
|
"bytes"
|
|
"os/exec"
|
|
|
|
"github.com/pkg/errors"
|
|
"sigs.k8s.io/kustomize/pkg/fs"
|
|
)
|
|
|
|
// Cloner is a function that can clone a git repo.
|
|
type Cloner func(url string) (*RepoSpec, error)
|
|
|
|
// ClonerUsingGitExec uses a local git install, as opposed
|
|
// to say, some remote API, to obtain a local clone of
|
|
// a remote repo.
|
|
func ClonerUsingGitExec(spec string) (*RepoSpec, error) {
|
|
gitProgram, err := exec.LookPath("git")
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "no 'git' program on path")
|
|
}
|
|
repoSpec, err := NewRepoSpecFromUrl(spec)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
repoSpec.cloneDir, err = fs.NewTmpConfirmedDir()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
cmd := exec.Command(
|
|
gitProgram,
|
|
"clone",
|
|
repoSpec.CloneSpec(),
|
|
repoSpec.cloneDir.String())
|
|
var out bytes.Buffer
|
|
cmd.Stdout = &out
|
|
err = cmd.Run()
|
|
if err != nil {
|
|
return nil, errors.Wrapf(err, "trouble cloning %s", spec)
|
|
}
|
|
if repoSpec.ref == "" {
|
|
return repoSpec, nil
|
|
}
|
|
cmd = exec.Command(gitProgram, "checkout", repoSpec.ref)
|
|
cmd.Dir = repoSpec.cloneDir.String()
|
|
err = cmd.Run()
|
|
if err != nil {
|
|
return nil, errors.Wrapf(
|
|
err, "trouble checking out href %s", repoSpec.ref)
|
|
}
|
|
return repoSpec, nil
|
|
}
|