// update syncs code in the relevant repositories.
func (r *repoManager) update() error {
// Sync the projects.
r.mtx.Lock()
defer r.mtx.Unlock()
// Create the chromium parent directory if needed.
if _, err := os.Stat(r.chromiumParentDir); err != nil {
if err := os.MkdirAll(r.chromiumParentDir, 0755); err != nil {
return err
}
}
if _, err := os.Stat(path.Join(r.chromiumDir, ".git")); err == nil {
if err := r.cleanChromium(); err != nil {
return err
}
}
if _, err := exec.RunCommand(&exec.Command{
Dir: r.chromiumParentDir,
Env: []string{fmt.Sprintf("PATH=%s:%s", r.depot_tools, os.Getenv("PATH"))},
Name: r.gclient,
Args: []string{"config", REPO_CHROMIUM},
}); err != nil {
return err
}
if _, err := exec.RunCommand(&exec.Command{
Dir: r.chromiumParentDir,
Env: []string{fmt.Sprintf("PATH=%s:%s", r.depot_tools, os.Getenv("PATH"))},
Name: r.gclient,
Args: []string{"sync", "--nohooks"},
}); err != nil {
return err
}
// Create the child GitInfo if needed.
if r.childRepo == nil {
childRepo, err := gitinfo.NewGitInfo(r.childDir, false, true)
if err != nil {
return err
}
r.childRepo = childRepo
}
// Get the last roll revision.
lastRollRev, err := r.getLastRollRev()
if err != nil {
return err
}
r.lastRollRev = lastRollRev
// Record child HEAD
childHead, err := r.childRepo.FullHash("origin/master")
if err != nil {
return err
}
r.childHead = childHead
return nil
}
// getDepotToolsUser returns the authorized depot tools user.
func getDepotToolsUser(depotTools string) (string, error) {
output, err := exec.RunCommand(&exec.Command{
Env: []string{fmt.Sprintf("PATH=%s:%s", depotTools, os.Getenv("PATH"))},
Name: path.Join(depotTools, "depot-tools-auth"),
Args: []string{"info", autoroll.RIETVELD_URL},
})
if err != nil {
return "", err
}
m := DEPOT_TOOLS_AUTH_USER_REGEX.FindStringSubmatch(output)
if len(m) != 2 {
return "", fmt.Errorf("Unable to parse the output of depot-tools-auth.")
}
return m[1], nil
}
// cleanChromium forces the Chromium checkout into a clean state.
func (r *repoManager) cleanChromium() error {
if _, err := exec.RunCwd(r.chromiumDir, "git", "clean", "-d", "-f", "-f"); err != nil {
return err
}
_, _ = exec.RunCwd(r.chromiumDir, "git", "rebase", "--abort")
if _, err := exec.RunCwd(r.chromiumDir, "git", "checkout", "origin/master", "-f"); err != nil {
return err
}
_, _ = exec.RunCwd(r.chromiumDir, "git", "branch", "-D", DEPS_ROLL_BRANCH)
if _, err := exec.RunCommand(&exec.Command{
Dir: r.chromiumDir,
Env: []string{fmt.Sprintf("PATH=%s:%s", r.depot_tools, os.Getenv("PATH"))},
Name: r.gclient,
Args: []string{"revert", "--nohooks"},
}); err != nil {
return err
}
return nil
}
// CreateNewRoll creates and uploads a new DEPS roll to the given commit.
// Returns the issue number of the uploaded roll.
func (r *repoManager) CreateNewRoll(emails, cqExtraTrybots []string, dryRun bool) (int64, error) {
r.mtx.Lock()
defer r.mtx.Unlock()
// Clean the checkout, get onto a fresh branch.
if err := r.cleanChromium(); err != nil {
return 0, err
}
if _, err := exec.RunCwd(r.chromiumDir, "git", "checkout", "-b", DEPS_ROLL_BRANCH, "-t", "origin/master", "-f"); err != nil {
return 0, err
}
// Defer some more cleanup.
defer func() {
util.LogErr(r.cleanChromium())
}()
// Create the roll CL.
if _, err := exec.RunCwd(r.chromiumDir, "git", "config", "user.name", autoroll.ROLL_AUTHOR); err != nil {
return 0, err
}
if _, err := exec.RunCwd(r.chromiumDir, "git", "config", "user.email", autoroll.ROLL_AUTHOR); err != nil {
return 0, err
}
if _, err := exec.RunCommand(&exec.Command{
Dir: r.chromiumDir,
Env: []string{fmt.Sprintf("PATH=%s:%s", r.depot_tools, os.Getenv("PATH"))},
Name: r.rollDep,
Args: []string{r.childPath, r.childHead},
}); err != nil {
return 0, err
}
// Build the commit message, starting with the message provided by roll-dep.
commitMsg, err := exec.RunCwd(r.chromiumDir, "git", "log", "-n1", "--format=%B", "HEAD")
if err != nil {
return 0, err
}
if cqExtraTrybots != nil && len(cqExtraTrybots) > 0 {
commitMsg += "\n" + fmt.Sprintf(TMPL_CQ_INCLUDE_TRYBOTS, strings.Join(cqExtraTrybots, ","))
}
uploadCmd := &exec.Command{
Dir: r.chromiumDir,
Env: []string{fmt.Sprintf("PATH=%s:%s", r.depot_tools, os.Getenv("PATH"))},
Name: "git",
Args: []string{"cl", "upload", "--bypass-hooks", "-f"},
}
if dryRun {
uploadCmd.Args = append(uploadCmd.Args, "--cq-dry-run")
} else {
uploadCmd.Args = append(uploadCmd.Args, "--use-commit-queue")
}
tbr := "\nTBR="
if emails != nil && len(emails) > 0 {
emailStr := strings.Join(emails, ",")
tbr += emailStr
uploadCmd.Args = append(uploadCmd.Args, "--send-mail", "--cc", emailStr)
}
commitMsg += tbr
uploadCmd.Args = append(uploadCmd.Args, "-m", commitMsg)
// Upload the CL.
uploadOutput, err := exec.RunCommand(uploadCmd)
if err != nil {
return 0, err
}
issues := ISSUE_CREATED_REGEX.FindStringSubmatch(uploadOutput)
if len(issues) != 2 {
return 0, fmt.Errorf("Failed to find newly-uploaded issue number!")
}
return strconv.ParseInt(issues[1], 10, 64)
}