forked from TrueCloudLab/restic
Add release script
This commit is contained in:
Alexander Neumann
parent
eccc336319
commit
1ee1559506
1 changed files with 306 additions and 0 deletions
306
scripts/release.go
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306
scripts/release.go
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@ -0,0 +1,306 @@
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// +build ignore
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package main
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import (
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"bufio"
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"bytes"
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"regexp"
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"sort"
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"strings"
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"github.com/spf13/pflag"
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)
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var opts = struct {
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Version string
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IgnoreBranchName bool
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IgnoreUncommittedChanges bool
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IgnoreChangelogVersion bool
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tarFilename string
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buildDir string
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}{}
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var versionRegex = regexp.MustCompile(`^\d+\.\d+\.\d+$`)
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func init() {
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pflag.BoolVar(&opts.IgnoreBranchName, "ignore-branch-name", false, "allow releasing from other branches as 'master'")
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pflag.BoolVar(&opts.IgnoreUncommittedChanges, "ignore-uncommitted-changes", false, "allow uncommitted changes")
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pflag.BoolVar(&opts.IgnoreChangelogVersion, "ignore-changelgo-version", false, "ignore missing entry in CHANGELOG.md")
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pflag.Parse()
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}
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func die(f string, args ...interface{}) {
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if !strings.HasSuffix(f, "\n") {
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f += "\n"
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}
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f = "\x1b[31m" + f + "\x1b[0m"
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fmt.Fprintf(os.Stderr, f, args...)
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os.Exit(1)
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}
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func msg(f string, args ...interface{}) {
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if !strings.HasSuffix(f, "\n") {
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f += "\n"
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}
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f = "\x1b[32m" + f + "\x1b[0m"
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fmt.Printf(f, args...)
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}
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func run(cmd string, args ...string) {
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c := exec.Command(cmd, args...)
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c.Stdout = os.Stdout
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c.Stderr = os.Stderr
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err := c.Run()
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if err != nil {
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die("error running %s %s: %v", cmd, args, err)
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}
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}
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func rm(file string) {
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err := os.Remove(file)
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if err != nil {
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die("error removing %v: %v", file, err)
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}
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}
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func rmdir(dir string) {
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err := os.RemoveAll(dir)
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if err != nil {
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die("error removing %v: %v", dir, err)
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}
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}
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func mkdir(dir string) {
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err := os.Mkdir(dir, 0755)
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if err != nil {
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die("mkdir %v: %v", dir, err)
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}
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}
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func getwd() string {
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pwd, err := os.Getwd()
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if err != nil {
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die("Getwd(): %v", err)
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}
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return pwd
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}
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func uncommittedChanges(dirs ...string) string {
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args := []string{"status", "--porcelain", "--untracked-files=no"}
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if len(dirs) > 0 {
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args = append(args, dirs...)
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}
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changes, err := exec.Command("git", args...).Output()
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if err != nil {
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die("unable to run command: %v", err)
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}
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return string(changes)
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}
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func preCheckBranchMaster() {
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if opts.IgnoreBranchName {
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return
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}
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branch, err := exec.Command("git", "rev-parse", "--abbrev-ref", "HEAD").Output()
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if err != nil {
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die("error running 'git': %v", err)
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}
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if string(branch) != "master" {
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die("wrong branch: %s", branch)
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}
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}
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func preCheckUncommittedChanges() {
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if opts.IgnoreUncommittedChanges {
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return
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}
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changes := uncommittedChanges()
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if len(changes) > 0 {
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die("uncommited changes found:\n%s\n", changes)
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}
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}
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func preCheckVersionExists() {
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buf, err := exec.Command("git", "tag", "-l").Output()
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if err != nil {
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die("error running 'git tag -l': %v", err)
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}
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sc := bufio.NewScanner(bytes.NewReader(buf))
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for sc.Scan() {
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if sc.Err() != nil {
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die("error scanning version tags: %v", sc.Err())
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}
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if strings.TrimSpace(sc.Text()) == "v"+opts.Version {
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die("tag v%v already exists", opts.Version)
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}
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}
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}
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func preCheckChangelog() {
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if opts.IgnoreChangelogVersion {
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return
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}
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f, err := os.Open("CHANGELOG.md")
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if err != nil {
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die("unable to open CHANGELOG.md: %v", err)
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}
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defer f.Close()
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sc := bufio.NewScanner(f)
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for sc.Scan() {
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if sc.Err() != nil {
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die("error scanning: %v", sc.Err())
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}
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if strings.TrimSpace(sc.Text()) == fmt.Sprintf("Important Changes in %v", opts.Version) {
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return
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}
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}
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die("CHANGELOG.md does not contain version %v", opts.Version)
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}
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func generateFiles() {
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msg("generate files")
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run("go", "run", "build.go", "-o", "restic-generate.temp")
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mandir := filepath.Join("doc", "man")
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rmdir(mandir)
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mkdir(mandir)
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run("./restic-generate.temp", "generate",
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"--man", "doc/man",
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"--zsh-completion", "doc/zsh-completion.zsh",
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"--bash-completion", "doc/bash-completion.sh")
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rm("restic-generate.temp")
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changes := uncommittedChanges("doc")
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if len(changes) > 0 {
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msg("comitting manpages and auto-completion")
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run("git", "commit", "-m", "Update manpages and auto-completion", "doc")
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}
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}
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func updateVersion() {
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err := ioutil.WriteFile("VERSION", []byte(opts.Version), 0644)
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if err != nil {
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die("unable to write version to file: %v", err)
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}
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if len(uncommittedChanges("VERSION")) > 0 {
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msg("comitting file VERSION")
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run("git", "commit", "-m", fmt.Sprintf("Add VERSION for %v", opts.Version), "VERSION")
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}
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}
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func addTag() {
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tagname := "v" + opts.Version
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msg("add tag %v", tagname)
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run("git", "tag", "-a", "-s", "-m", tagname, tagname)
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}
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func exportTar() {
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cmd := fmt.Sprintf("git archive --format=tar --prefix=restic-%s/ v%s | gzip -n > %s",
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opts.Version, opts.Version, opts.tarFilename)
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run("sh", "-c", cmd)
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msg("build restic-%s.tar.gz", opts.Version)
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}
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func runBuild() {
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msg("building binaries...")
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run("docker", "pull", "restic/builder")
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run("docker", "run", "--volume", getwd()+":/home/build", "restic/builder", opts.tarFilename)
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}
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func findBuildDir() string {
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nameRegex := regexp.MustCompile(`restic-` + opts.Version + `-\d{8}-\d{6}`)
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f, err := os.Open(".")
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if err != nil {
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die("Open(.): %v", err)
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}
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entries, err := f.Readdirnames(-1)
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if err != nil {
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die("Readdirnames(): %v", err)
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}
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err = f.Close()
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if err != nil {
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die("Close(): %v", err)
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}
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sort.Slice(entries, func(i, j int) bool {
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return entries[j] < entries[i]
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})
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for _, entry := range entries {
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if nameRegex.MatchString(entry) {
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msg("found restic build dir: %v", entry)
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return entry
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}
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}
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die("restic build dir not found")
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return ""
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}
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func signFiles() {
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run("gpg", "--armor", "--detach-sign", filepath.Join(opts.buildDir, "SHA256SUMS"))
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run("gpg", "--armor", "--detach-sign", filepath.Join(opts.buildDir, opts.tarFilename))
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}
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func updateDocker() {
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cmd := fmt.Sprintf("bzcat %s/restic_%s_linux_amd64.bz2 > restic", opts.buildDir, opts.Version)
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run("sh", "-c", cmd)
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run("chmod", "+x", "restic")
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run("docker", "build", "--rm", "--tag", "restic/restic:latest", "-f", "docker/Dockerfile", ".")
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}
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func main() {
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if len(pflag.Args()) == 0 {
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die("USAGE: release-version [OPTIONS] VERSION")
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}
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opts.Version = pflag.Args()[0]
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if !versionRegex.MatchString(opts.Version) {
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die("invalid new version")
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}
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opts.tarFilename = fmt.Sprintf("restic-%s.tar.gz", opts.Version)
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preCheckBranchMaster()
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preCheckUncommittedChanges()
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preCheckVersionExists()
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preCheckChangelog()
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generateFiles()
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updateVersion()
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addTag()
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exportTar()
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runBuild()
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opts.buildDir = findBuildDir()
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signFiles()
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updateDocker()
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msg("done, build dir is %v", opts.buildDir)
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msg("now run:\n\ngit push --tags origin master\ndocker push restic/restic\n")
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}
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