// ListTags returns the list of all release tags, sorted by the versions they represent.
func ListTags() (tags []string, err error) {
var task = "Get release tags"
// Get all release tags.
stdout, err := git.RunCommand("tag", "--list", "v*.*.*")
if err != nil {
return nil, errs.NewError(task, err)
}
// Parse the output to get sortable versions.
var vers []*version.Version
scanner := bufio.NewScanner(stdout)
for scanner.Scan() {
line := scanner.Text()
if line == "" {
continue
}
line = line[1:] // strip "v"
ver, _ := version.Parse(line)
vers = append(vers, ver)
}
if err := scanner.Err(); err != nil {
return nil, errs.NewError(task, err)
}
// Sort the versions.
sort.Sort(version.Versions(vers))
// Convert versions back to tag names and return.
tgs := make([]string, 0, len(vers))
for _, ver := range vers {
tgs = append(tgs, "v"+ver.String())
}
return tgs, nil
}
func SetForBranch(ver *Version, branch string) (act action.Action, err error) {
var mainTask = fmt.Sprintf("Bump version to %v for branch '%v'", ver, branch)
// Make sure the repository is clean (don't check untracked files).
task := "Make sure the repository is clean"
if err := git.EnsureCleanWorkingTree(false); err != nil {
return nil, errs.NewError(task, err)
}
// Remember the current branch.
currentBranch, err := git.CurrentBranch()
if err != nil {
return nil, err
}
// Remember the current position of the target branch.
task = fmt.Sprintf("Remember the position of branch '%v'", branch)
originalPosition, err := git.Hexsha("refs/heads/" + branch)
if err != nil {
return nil, errs.NewError(task, err)
}
// Checkout the target branch.
task = fmt.Sprintf("Checkout branch '%v'", branch)
if err := git.Checkout(branch); err != nil {
return nil, errs.NewError(task, err)
}
defer func() {
// Checkout the original branch on return.
task := fmt.Sprintf("Checkout branch '%v'", currentBranch)
if ex := git.Checkout(currentBranch); ex != nil {
if err == nil {
err = ex
} else {
errs.LogError(task, ex)
}
}
}()
// Set the project version to the desired value.
if err := Set(ver); err != nil {
if ex, ok := err.(*scripts.ErrNotFound); ok {
return nil, fmt.Errorf(
"custom SalsaFlow script '%v' not found on branch '%v'", ex.ScriptName(), branch)
}
return nil, err
}
// Commit changes.
_, err = git.RunCommand("commit", "-a",
"-m", fmt.Sprintf("Bump version to %v", ver),
"-m", fmt.Sprintf("Story-Id: %v", git.StoryIdUnassignedTagValue))
if err != nil {
task := "Reset the working tree to the original state"
if err := git.Reset("--keep"); err != nil {
errs.LogError(task, err)
}
return nil, err
}
return action.ActionFunc(func() (err error) {
// On rollback, reset the target branch to the original position.
log.Rollback(mainTask)
return git.ResetKeep(branch, originalPosition)
}), nil
}