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gitrepo.go
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gitrepo.go
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package versionstreamrepo
import (
"fmt"
"os"
"path/filepath"
"strings"
v1 "github.com/jenkins-x/jx/v2/pkg/apis/jenkins.io/v1"
"github.com/jenkins-x/jx/v2/pkg/gits"
"github.com/jenkins-x/jx/v2/pkg/config"
"github.com/jenkins-x/jx/v2/pkg/log"
"github.com/jenkins-x/jx/v2/pkg/util"
"github.com/pkg/errors"
"gopkg.in/AlecAivazis/survey.v1"
"gopkg.in/src-d/go-git.v4"
"gopkg.in/src-d/go-git.v4/plumbing"
)
// CloneJXVersionsRepo clones the jenkins-x versions repo to a local working dir
func CloneJXVersionsRepo(versionRepository string, versionRef string, settings *v1.TeamSettings, gitter gits.Gitter, batchMode bool, advancedMode bool, handles util.IOFileHandles) (string, string, error) {
dir, versionRef, err := cloneJXVersionsRepo(versionRepository, versionRef, settings, gitter, batchMode, advancedMode, handles)
if err != nil {
return "", "", errors.Wrapf(err, "")
}
if versionRef != "" {
resolved, err := resolveRefToTag(dir, versionRef, gitter)
if err != nil {
return "", "", errors.WithStack(err)
}
return dir, resolved, nil
}
return dir, "", nil
}
func cloneJXVersionsRepo(versionRepository string, versionRef string, settings *v1.TeamSettings, gitter gits.Gitter, batchMode bool, advancedMode bool, handles util.IOFileHandles) (string, string, error) {
surveyOpts := survey.WithStdio(handles.In, handles.Out, handles.Err)
configDir, err := util.ConfigDir()
if err != nil {
return "", "", fmt.Errorf("error determining config dir %v", err)
}
wrkDir := filepath.Join(configDir, "jenkins-x-versions")
if settings != nil {
if versionRepository == "" {
versionRepository = settings.VersionStreamURL
}
if versionRef == "" {
versionRef = settings.VersionStreamRef
}
}
if versionRepository == "" {
versionRepository = config.DefaultVersionsURL
}
if versionRef == "" {
versionRef = config.DefaultVersionsRef
}
log.Logger().Debugf("Current configuration dir: %s", configDir)
log.Logger().Debugf("VersionRepository: %s git ref: %s", versionRepository, versionRef)
// If the repo already exists let's try to fetch the latest version
if exists, err := util.DirExists(wrkDir); err == nil && exists {
pullLatest := false
if batchMode {
pullLatest = true
} else if advancedMode {
confirm := &survey.Confirm{
Message: "A local Jenkins X versions repository already exists, pull the latest?",
Default: true,
}
err = survey.AskOne(confirm, &pullLatest, nil, surveyOpts)
if err != nil {
log.Logger().Errorf("Error confirming if we should pull latest, skipping %s", wrkDir)
}
} else {
pullLatest = true
log.Logger().Debugf(util.QuestionAnswer("A local Jenkins X versions repository already exists, pulling the latest", util.YesNo(pullLatest)))
}
if pullLatest {
err = gitter.FetchRemoteTags(wrkDir, versionRepository)
if err != nil {
dir, err := deleteAndReClone(wrkDir, versionRepository, versionRef, gitter)
if err != nil {
return "", "", errors.WithStack(err)
}
return dir, versionRef, nil
}
err = gitter.FetchBranch(wrkDir, versionRepository, versionRef)
if err != nil {
dir, err := deleteAndReClone(wrkDir, versionRepository, versionRef, gitter)
if err != nil {
return "", "", errors.WithStack(err)
}
return dir, versionRef, nil
}
isBranch, err := gits.RefIsBranch(wrkDir, versionRef, gitter)
if err != nil {
return "", "", err
}
if versionRef == config.DefaultVersionsRef || isBranch {
err = gitter.Checkout(wrkDir, versionRef)
if err != nil {
dir, err := deleteAndReClone(wrkDir, versionRepository, versionRef, gitter)
if err != nil {
return "", "", errors.WithStack(err)
}
return dir, versionRef, nil
}
err = gitter.Reset(wrkDir, "FETCH_HEAD", true)
if err != nil {
dir, err := deleteAndReClone(wrkDir, versionRepository, versionRef, gitter)
if err != nil {
return "", "", errors.WithStack(err)
}
return dir, versionRef, nil
}
} else {
err = gitter.Checkout(wrkDir, "FETCH_HEAD")
if err != nil {
dir, err := deleteAndReClone(wrkDir, versionRepository, versionRef, gitter)
if err != nil {
return "", "", errors.WithStack(err)
}
return dir, versionRef, nil
}
}
}
return wrkDir, versionRef, err
}
dir, err := deleteAndReClone(wrkDir, versionRepository, versionRef, gitter)
if err != nil {
return "", "", errors.WithStack(err)
}
return dir, versionRef, nil
}
func deleteAndReClone(wrkDir string, versionRepository string, referenceName string, gitter gits.Gitter) (string, error) {
log.Logger().Debug("Deleting and cloning the Jenkins X versions repo")
err := os.RemoveAll(wrkDir)
if err != nil {
return "", errors.Wrapf(err, "failed to delete dir %s: %s\n", wrkDir, err.Error())
}
err = os.MkdirAll(wrkDir, util.DefaultWritePermissions)
if err != nil {
return "", errors.Wrapf(err, "failed to ensure directory is created %s", wrkDir)
}
_, err = clone(wrkDir, versionRepository, referenceName, gitter)
if err != nil {
return "", err
}
return wrkDir, err
}
func clone(wrkDir string, versionRepository string, referenceName string, gitter gits.Gitter) (string, error) {
if referenceName == "" || referenceName == "master" {
referenceName = "refs/heads/master"
} else if !strings.Contains(referenceName, "/") {
if strings.HasPrefix(referenceName, "PR-") {
prNumber := strings.TrimPrefix(referenceName, "PR-")
log.Logger().Debugf("Cloning the Jenkins X versions repo %s with PR: %s to %s", util.ColorInfo(versionRepository), util.ColorInfo(referenceName), util.ColorInfo(wrkDir))
return "", shallowCloneGitRepositoryToDir(wrkDir, versionRepository, prNumber, "", gitter)
}
log.Logger().Debugf("Cloning the Jenkins X versions repo %s with revision %s to %s", util.ColorInfo(versionRepository), util.ColorInfo(referenceName), util.ColorInfo(wrkDir))
err := gitter.Clone(versionRepository, wrkDir)
if err != nil {
return "", errors.Wrapf(err, "failed to clone repository: %s to dir %s", versionRepository, wrkDir)
}
cmd := util.Command{
Dir: wrkDir,
Name: "git",
Args: []string{"fetch", "origin", referenceName},
}
_, err = cmd.RunWithoutRetry()
if err != nil {
return "", errors.Wrapf(err, "failed to git fetch origin %s for repo: %s in dir %s", referenceName, versionRepository, wrkDir)
}
isBranch, err := gits.RefIsBranch(wrkDir, referenceName, gitter)
if err != nil {
return "", err
}
if isBranch {
err = gitter.Checkout(wrkDir, referenceName)
if err != nil {
return "", errors.Wrapf(err, "failed to checkout %s of repo: %s in dir %s", referenceName, versionRepository, wrkDir)
}
return "", nil
}
err = gitter.Checkout(wrkDir, "FETCH_HEAD")
if err != nil {
return "", errors.Wrapf(err, "failed to checkout FETCH_HEAD of repo: %s in dir %s", versionRepository, wrkDir)
}
return "", nil
}
log.Logger().Infof("Cloning the Jenkins X versions repo %s with ref %s to %s", util.ColorInfo(versionRepository), util.ColorInfo(referenceName), util.ColorInfo(wrkDir))
// TODO: Change this to use gitter instead, but need to understand exactly what it's doing first.
_, err := git.PlainClone(wrkDir, false, &git.CloneOptions{
URL: versionRepository,
ReferenceName: plumbing.ReferenceName(referenceName),
SingleBranch: true,
Progress: nil,
})
if err != nil {
return "", errors.Wrapf(err, "failed to clone reference: %s", referenceName)
}
return "", err
}
func shallowCloneGitRepositoryToDir(dir string, gitURL string, pullRequestNumber string, revision string, gitter gits.Gitter) error {
if pullRequestNumber != "" {
log.Logger().Infof("shallow cloning pull request %s of repository %s to temp dir %s", gitURL,
pullRequestNumber, dir)
err := gitter.ShallowClone(dir, gitURL, "", pullRequestNumber)
if err != nil {
return errors.Wrapf(err, "shallow cloning pull request %s of repository %s to temp dir %s\n", gitURL,
pullRequestNumber, dir)
}
} else if revision != "" {
log.Logger().Infof("shallow cloning revision %s of repository %s to temp dir %s", gitURL,
revision, dir)
err := gitter.ShallowClone(dir, gitURL, revision, "")
if err != nil {
return errors.Wrapf(err, "shallow cloning revision %s of repository %s to temp dir %s\n", gitURL,
revision, dir)
}
} else {
log.Logger().Infof("shallow cloning master of repository %s to temp dir %s", gitURL, dir)
err := gitter.ShallowClone(dir, gitURL, "", "")
if err != nil {
return errors.Wrapf(err, "shallow cloning master of repository %s to temp dir %s\n", gitURL, dir)
}
}
return nil
}
func resolveRefToTag(dir string, commitish string, gitter gits.Gitter) (string, error) {
err := gitter.FetchTags(dir)
if err != nil {
return "", errors.Wrapf(err, "fetching tags")
}
resolved, _, err := gitter.Describe(dir, true, commitish, "0", true)
if err != nil {
return "", errors.Wrapf(err, "running git describe %s --abbrev=0", commitish)
}
if resolved != "" {
return resolved, nil
}
return resolved, nil
}