func runMain(versionString string) error {
// Make sure the version string is correct.
task := "Parse the command line VERSION argument"
ver, err := version.Parse(versionString)
if err != nil {
hint := `
The version string must be in the form of Major.Minor.Patch
and no part of the version string can be omitted.
`
return errs.NewErrorWithHint(task, err, hint)
}
// In case -commit is set, set and commit the version string.
if flagCommit {
currentBranch, err := gitutil.CurrentBranch()
if err != nil {
return err
}
_, err = version.SetForBranch(ver, currentBranch)
return err
}
// Otherwise just set the version.
return version.Set(ver)
}
func runMain() (err error) {
// Load repo config.
gitConfig, err := git.LoadConfig()
if err != nil {
return err
}
var (
remote = gitConfig.RemoteName
trunkBranch = gitConfig.TrunkBranchName
releaseBranch = gitConfig.ReleaseBranchName
stagingBranch = gitConfig.StagingBranchName
)
// Fetch the remote repository.
if !flagNoFetch {
task := "Fetch the remote repository"
log.Run(task)
if err := git.UpdateRemotes(remote); err != nil {
return errs.NewError(task, err)
}
}
// Make sure trunk is up to date.
task := fmt.Sprintf("Make sure that branch '%v' is up to date", trunkBranch)
if err := git.CheckOrCreateTrackingBranch(trunkBranch, remote); err != nil {
return errs.NewError(task, err)
}
// Make sure the staging branch is up to date, in case it exists.
//
// We check stage here as well since it is otherwise checked later
// in releases.ListNewTrunkCommits(), which is usually called in
// release.PromptUserToConfirmStart().
task = fmt.Sprintf("Make sure that branch '%v' is up to date", stagingBranch)
if err := git.CheckOrCreateTrackingBranch(stagingBranch, remote); err != nil {
// The staging branch actually doesn't need to exist.
if _, ok := err.(*git.ErrRefNotFound); !ok {
return errs.NewError(task, err)
}
}
// Make sure that the release branch does not exist.
task = fmt.Sprintf("Make sure that branch '%v' does not exist", releaseBranch)
if err := git.EnsureBranchNotExist(releaseBranch, remote); err != nil {
return errs.NewError(task, err)
}
// Get the current trunk version string.
task = "Get the current trunk version string"
trunkVersion, err := version.GetByBranch(trunkBranch)
if err != nil {
return errs.NewError(task, err)
}
// Get the next trunk version (the future release version).
var nextTrunkVersion *version.Version
if !flagNextTrunk.Zero() {
// Make sure it's only major, minor and patch that are set.
// Make sure the new version is actually incrementing the current one.
var (
current = trunkVersion
next = flagNextTrunk
)
var part string
switch {
case len(next.Pre) != 0:
part = "Pre"
case len(next.Build) != 0:
part = "Build"
}
if part != "" {
return fmt.Errorf("invalid future version string: %v version part cannot be set", part)
}
if current.GE(next.Version) {
return fmt.Errorf("future version string not an increment: %v <= %v", next, current)
}
nextTrunkVersion = &flagNextTrunk
} else {
nextTrunkVersion = trunkVersion.IncrementMinor()
}
// Make sure the next trunk version has the right format.
nextTrunkVersion, err = nextTrunkVersion.ToTrunkVersion()
if err != nil {
return err
}
// Fetch the stories from the issue tracker.
tracker, err := modules.GetIssueTracker()
if err != nil {
return errs.NewError(task, err)
}
release := tracker.NextRelease(trunkVersion, nextTrunkVersion)
// Prompt the user to confirm the release.
fmt.Printf(`
You are about to start a new release branch.
The relevant version strings are:
current release (current trunk version): %v
future release (next trunk version): %v
`, trunkVersion, nextTrunkVersion)
ok, err := release.PromptUserToConfirmStart()
if err != nil {
return err
}
if !ok {
fmt.Println("\nYour wish is my command, exiting now!")
return nil
}
fmt.Println()
// Create the release branch on top of the trunk branch.
task = fmt.Sprintf("Create branch '%v' on top of branch '%v'", releaseBranch, trunkBranch)
log.Run(task)
if err := git.Branch(releaseBranch, trunkBranch); err != nil {
return errs.NewError(task, err)
}
defer action.RollbackTaskOnError(&err, task, action.ActionFunc(func() error {
task := fmt.Sprintf("Delete branch '%v'", releaseBranch)
if err := git.Branch("-D", releaseBranch); err != nil {
errs.NewError(task, err)
}
return nil
}))
// Bump the release branch version.
testingVersion, err := trunkVersion.ToTestingVersion()
if err != nil {
return err
}
task = fmt.Sprintf("Bump version (branch '%v' -> %v)", releaseBranch, testingVersion)
log.Run(task)
_, err = version.SetForBranch(testingVersion, releaseBranch)
if err != nil {
return errs.NewError(task, err)
}
// No need for a rollback function here, git branch -d specified as a rollback
// for the previous step will take care of deleting this change as well.
// Bump the trunk branch version.
task = fmt.Sprintf("Bump version (branch '%v' -> %v)", trunkBranch, nextTrunkVersion)
log.Run(task)
act, err := version.SetForBranch(nextTrunkVersion, trunkBranch)
if err != nil {
return errs.NewError(task, err)
}
defer action.RollbackTaskOnError(&err, task, act)
// Initialise the next release in the code review tool.
codeReviewTool, err := modules.GetCodeReviewTool()
if err != nil {
return err
}
act, err = codeReviewTool.NewRelease(nextTrunkVersion).Initialise()
if err != nil {
return err
}
defer action.RollbackTaskOnError(&err, task, act)
// Start the release in the issue tracker.
act, err = release.Start()
if err != nil {
return err
}
defer action.RollbackTaskOnError(&err, task, act)
// Push the modified branches.
task = "Push changes to the remote repository"
log.Run(task)
err = git.Push(remote, trunkBranch+":"+trunkBranch, releaseBranch+":"+releaseBranch)
if err != nil {
return errs.NewError(task, err)
}
return nil
}
func runMain() (err error) {
// Load repo config.
gitConfig, err := git.LoadConfig()
if err != nil {
return err
}
var (
remoteName = gitConfig.RemoteName
stagingBranch = gitConfig.StagingBranchName
stableBranch = gitConfig.StableBranchName
)
// Fetch the repository.
if !flagNoFetch {
task := "Fetch the remote repository"
log.Run(task)
if err := git.UpdateRemotes(remoteName); err != nil {
return errs.NewError(task, err)
}
}
// Check branches.
checkBranch := func(branchName string) error {
// Make sure the branch exists.
task := fmt.Sprintf("Make sure that branch '%v' exists and is up to date", branchName)
log.Run(task)
if err := git.CheckOrCreateTrackingBranch(branchName, remoteName); err != nil {
return errs.NewError(task, err)
}
// Make sure we are not on the branch.
task = fmt.Sprintf("Make sure that branch '%v' is not checked out", branchName)
log.Run(task)
currentBranch, err := gitutil.CurrentBranch()
if err != nil {
return errs.NewError(task, err)
}
if currentBranch == branchName {
err := fmt.Errorf("cannot deploy while on branch '%v'", branchName)
return errs.NewError(task, err)
}
return nil
}
for _, branch := range []string{stableBranch, stagingBranch} {
if err := checkBranch(branch); err != nil {
return err
}
}
// Make sure the current staging branch can be released.
task := fmt.Sprintf("Make sure that branch '%v' can be released", stagingBranch)
log.Run(task)
tracker, err := modules.GetIssueTracker()
if err != nil {
return errs.NewError(task, err)
}
codeReviewTool, err := modules.GetCodeReviewTool()
if err != nil {
return errs.NewError(task, err)
}
stagingVersion, err := version.GetByBranch(stagingBranch)
if err != nil {
return errs.NewError(task, err)
}
// Make sure the release can be closed in the issue tracker.
issueTrackerRelease := tracker.RunningRelease(stagingVersion)
if err := issueTrackerRelease.EnsureClosable(); err != nil {
return err
}
// Make sure the release can be closed in the code review tool.
codeReviewRelease := codeReviewTool.NewRelease(stagingVersion)
if err := codeReviewRelease.EnsureClosable(); err != nil {
return err
}
// Reset the stable branch to point to stage.
task = fmt.Sprintf("Reset branch '%v' to point to branch '%v'", stableBranch, stagingBranch)
log.Run(task)
act, err := git.CreateOrResetBranch(stableBranch, stagingBranch)
if err != nil {
return errs.NewError(task, err)
}
defer action.RollbackTaskOnError(&err, task, act)
// Bump version for the stable branch.
stableVersion, err := stagingVersion.ToStableVersion()
if err != nil {
return err
}
task = fmt.Sprintf("Bump version (branch '%v' -> %v)", stableBranch, stableVersion)
log.Run(task)
act, err = version.SetForBranch(stableVersion, stableBranch)
if err != nil {
return errs.NewError(task, err)
}
defer action.RollbackTaskOnError(&err, task, act)
// Tag the stable branch.
tag := stableVersion.ReleaseTagString()
task = fmt.Sprintf("Tag branch '%v' with tag '%v'", stableBranch, tag)
log.Run(task)
if err := git.Tag(tag, stableBranch); err != nil {
return errs.NewError(task, err)
}
defer action.RollbackTaskOnError(&err, task, action.ActionFunc(func() error {
task := fmt.Sprintf("Delete tag '%v'", tag)
if err := git.Tag("-d", tag); err != nil {
return errs.NewError(task, err)
}
return nil
}))
// Generate the release notes.
// We try to do as much as possible before pushing.
task = fmt.Sprintf("Generate release notes for version '%v'", stableVersion)
log.Run(task)
rnm, err := modules.GetReleaseNotesManager()
if err != nil {
if _, ok := err.(*modules.ErrModuleNotSet); !ok {
return errs.NewError(task, err)
}
}
var nts *common.ReleaseNotes
// rnm will be nil in case the module is disabled.
if rnm != nil {
// Get the relevant stories.
stories, err := tracker.ListStoriesByRelease(stableVersion)
if err != nil {
return errs.NewError(task, err)
}
// Generate the release notes.
nts = notes.GenerateReleaseNotes(stableVersion, stories)
} else {
log.Log("Release notes module disabled, not doing anything")
}
// Close the release in the issue tracker.
act, err = issueTrackerRelease.Close()
if err != nil {
return err
}
defer action.RollbackOnError(&err, act)
// Close the release in the code review tool.
act, err = codeReviewRelease.Close()
if err != nil {
return err
}
defer action.RollbackOnError(&err, act)
// Push the changes to the remote repository.
task = "Push changes to the remote repository"
log.Run(task)
toPush := []string{
"--tags",
fmt.Sprintf("%v:%v", stableBranch, stableBranch),
}
if err := git.PushForce(remoteName, toPush...); err != nil {
return errs.NewError(task, err)
}
// Post the release notes.
task = fmt.Sprintf("Post the release notes for version '%v'", stableVersion)
if rnm != nil {
log.Run(task)
if _, err := rnm.PostReleaseNotes(nts); err != nil {
errs.LogError(task, err)
log.Warn("Failed to post the release notes, continuing anyway ...")
}
}
// Tell the user we succeeded.
color.Green("\n-----> Release %v deployed successfully!\n\n", stableVersion)
color.Cyan("Let's check whether the next release branch can be staged already.\n")
color.Cyan("In other words, we will try to run `release stage` and see what happens.\n\n")
// Now we proceed to the staging step. We do not roll back
// the previous changes on error since this is a separate step.
tryToStageRunningRelease()
return nil
}
func Stage(options *StageOptions) (act action.Action, err error) {
// Rollback machinery.
chain := action.NewActionChain()
defer chain.RollbackOnError(&err)
// Make sure opts are not nil.
if options == nil {
options = DefaultStageOptions
}
// Load git config.
gitConfig, err := git.LoadConfig()
if err != nil {
return nil, err
}
var (
remoteName = gitConfig.RemoteName
releaseBranch = gitConfig.ReleaseBranchName
stagingBranch = gitConfig.StagingBranchName
)
// Instantiate the issue tracker.
tracker, err := modules.GetIssueTracker()
if err != nil {
return nil, err
}
// Get the current branch.
task := "Get the current branch"
currentBranch, err := gitutil.CurrentBranch()
if err != nil {
return nil, err
}
// Cannot be on the release branch, it will be deleted.
task = fmt.Sprintf("Make sure that branch '%v' is not checked out", releaseBranch)
if currentBranch == releaseBranch {
return nil, errs.NewError(
task, fmt.Errorf("cannot stage the release while on branch '%v'", releaseBranch))
}
// Fetch the remote repository.
if !options.SkipFetch {
task = "Fetch the remote repository"
log.Run(task)
if err := git.UpdateRemotes(remoteName); err != nil {
return nil, errs.NewError(task, err)
}
}
// Make sure that the local release branch exists and is up to date.
task = fmt.Sprintf("Make sure that branch '%v' is up to date", releaseBranch)
log.Run(task)
if err := git.CheckOrCreateTrackingBranch(releaseBranch, remoteName); err != nil {
return nil, errs.NewError(task, err)
}
// Read the current release version.
task = "Read the current release version"
releaseVersion, err := version.GetByBranch(releaseBranch)
if err != nil {
return nil, errs.NewError(task, err)
}
// Make sure the release is stageable.
release := tracker.RunningRelease(releaseVersion)
if err := release.EnsureStageable(); err != nil {
return nil, err
}
// Make sure there are no commits being left behind,
// e.g. make sure no commits are forgotten on the trunk branch,
// i.e. make sure that everything necessary was cherry-picked.
if err := checkCommits(tracker, release, releaseBranch); err != nil {
return nil, err
}
// Reset the staging branch to point to the newly created tag.
task = fmt.Sprintf("Reset branch '%v' to point to branch '%v'", stagingBranch, releaseBranch)
log.Run(task)
act, err = git.CreateOrResetBranch(stagingBranch, releaseBranch)
if err != nil {
return nil, errs.NewError(task, err)
}
chain.PushTask(task, act)
// Delete the local release branch.
task = fmt.Sprintf("Delete branch '%v'", releaseBranch)
log.Run(task)
if err := git.Branch("-D", releaseBranch); err != nil {
return nil, errs.NewError(task, err)
}
chain.PushTask(task, action.ActionFunc(func() error {
task := fmt.Sprintf("Recreate branch '%v'", releaseBranch)
// In case the release branch exists locally, do nothing.
// This might look like an extra and useless check, but it looks like
// the final git push at the end of the command function actually creates
// the release branch locally when it is aborted from the pre-push hook.
// Not sure why and how that is happening.
exists, err := git.LocalBranchExists(releaseBranch)
if err != nil {
return errs.NewError(task, err)
}
if exists {
return nil
}
// In case the branch indeed does not exist, create it.
if err := git.Branch(releaseBranch, remoteName+"/"+releaseBranch); err != nil {
return errs.NewError(task, err)
}
return nil
}))
// Update the version string on the staging branch.
stagingVersion, err := releaseVersion.ToStageVersion()
if err != nil {
return nil, err
}
task = fmt.Sprintf("Bump version (branch '%v' -> %v)", stagingBranch, stagingVersion)
log.Run(task)
act, err = version.SetForBranch(stagingVersion, stagingBranch)
if err != nil {
return nil, errs.NewError(task, err)
}
chain.PushTask(task, act)
// Stage the release in the issue tracker.
act, err = release.Stage()
if err != nil {
return nil, err
}
chain.Push(act)
// Push to create the tag, reset client and delete release in the remote repository.
task = "Push changes to the remote repository"
log.Run(task)
err = git.Push(remoteName,
"-f", // Use the Force, Luke.
":"+releaseBranch, // Delete the release branch.
stagingBranch+":"+stagingBranch) // Push the staging branch.
if err != nil {
return nil, err
}
return chain, nil
}
func runMain() (err error) {
// Load repo config.
gitConfig, err := git.LoadConfig()
if err != nil {
return err
}
var (
remoteName = gitConfig.RemoteName()
stagingBranch = gitConfig.StagingBranchName()
stableBranch = gitConfig.StableBranchName()
)
// Fetch the repository.
if !flagNoFetch {
if err := git.UpdateRemotes(remoteName); err != nil {
return err
}
}
// Check branches.
checkBranch := func(branchName string) error {
// Make sure the branch exists.
task := fmt.Sprintf("Make sure that branch '%v' exists and is up to date", branchName)
if err := git.CheckOrCreateTrackingBranch(branchName, remoteName); err != nil {
return errs.NewError(task, err)
}
// Make sure we are not on the branch.
task = fmt.Sprintf("Make sure that branch '%v' is not checked out", branchName)
currentBranch, err := git.CurrentBranch()
if err != nil {
return errs.NewError(task, err)
}
if currentBranch == branchName {
err := fmt.Errorf("cannot deploy while on branch '%v'", branchName)
return errs.NewError(task, err)
}
return nil
}
for _, branch := range []string{stableBranch, stagingBranch} {
if err := checkBranch(branch); err != nil {
return err
}
}
// Make sure the current staging branch can be released.
task := fmt.Sprintf("Make sure that branch '%v' can be released", stagingBranch)
log.Run(task)
tracker, err := modules.GetIssueTracker()
if err != nil {
return errs.NewError(task, err)
}
stagingVersion, err := version.GetByBranch(stagingBranch)
if err != nil {
return errs.NewError(task, err)
}
release, err := tracker.RunningRelease(stagingVersion)
if err != nil {
return err
}
if err := release.EnsureReleasable(); err != nil {
return err
}
// Reset the stable branch to point to stage.
task = fmt.Sprintf("Reset branch '%v' to point to branch '%v'", stableBranch, stagingBranch)
log.Run(task)
act, err := git.CreateOrResetBranch(stableBranch, stagingBranch)
if err != nil {
return errs.NewError(task, err)
}
defer action.RollbackTaskOnError(&err, task, act)
// Bump version for the stable branch.
stableVersion, err := stagingVersion.ToStableVersion()
if err != nil {
return err
}
task = fmt.Sprintf("Bump version (branch '%v' -> %v)", stableBranch, stableVersion)
log.Run(task)
act, err = version.SetForBranch(stableVersion, stableBranch)
if err != nil {
return errs.NewError(task, err)
}
defer action.RollbackTaskOnError(&err, task, act)
// Tag the stable branch.
tag := stableVersion.ReleaseTagString()
task = fmt.Sprintf("Tag branch '%v' with tag '%v'", stableBranch, tag)
log.Run(task)
if err := git.Tag(tag, stableBranch); err != nil {
return errs.NewError(task, err)
}
defer action.RollbackTaskOnError(&err, task, action.ActionFunc(func() error {
task := fmt.Sprintf("Delete tag '%v'", tag)
if err := git.Tag("-d", tag); err != nil {
return errs.NewError(task, err)
}
return nil
}))
// Generate the release notes.
// We try to do as much as possible before pushing.
task = fmt.Sprintf("Generate release notes for version '%v'", stableVersion)
log.Run(task)
rnm, err := modules.GetReleaseNotesManager()
if err != nil {
return errs.NewError(task, err)
}
var nts *common.ReleaseNotes
// rnm will be nil in case the module is disabled.
if rnm != nil {
// Get the relevant stories.
stories, err := tracker.ListStoriesByRelease(stableVersion)
if err != nil {
return errs.NewError(task, err)
}
// Generate the release notes.
nts = notes.GenerateReleaseNotes(stableVersion, stories)
} else {
log.Log("Release notes module disabled, skipping ...")
}
// Push the changes to the remote repository.
task = "Push changes to the remote repository"
log.Run(task)
toPush := []string{
"--tags",
fmt.Sprintf("%v:%v", stableBranch, stableBranch),
}
if err := git.PushForce(remoteName, toPush...); err != nil {
return errs.NewError(task, err)
}
// Post the release notes.
task = fmt.Sprintf("Post the release notes for version '%v'", stableVersion)
if rnm != nil {
log.Run(task)
if _, err := rnm.PostReleaseNotes(nts); err != nil {
errs.LogError(task, err)
log.Warn("Failed to post the release notes, continuing anyway ...")
}
}
// Now we proceed to the staging step. We do not roll back
// the previous changes on error since this is a separate step.
tryToStageRunningRelease()
return nil
}