mirror of
https://github.com/octoleo/restic.git
synced 2024-12-24 20:00:21 +00:00
462 lines
11 KiB
Go
462 lines
11 KiB
Go
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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"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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IgnoreChangelogReleaseDate bool
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IgnoreChangelogCurrent bool
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IgnoreDockerBuildGoVersion bool
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OutputDir 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-changelog-version", false, "ignore missing entry in CHANGELOG.md")
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pflag.BoolVar(&opts.IgnoreChangelogReleaseDate, "ignore-changelog-release-date", false, "ignore missing subdir with date in changelog/")
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pflag.BoolVar(&opts.IgnoreChangelogCurrent, "ignore-changelog-current", false, "ignore check if CHANGELOG.md is up to date")
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pflag.BoolVar(&opts.IgnoreDockerBuildGoVersion, "ignore-docker-build-go-version", false, "ignore check if docker builder go version is up to date")
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pflag.StringVar(&opts.OutputDir, "output-dir", "", "use `dir` as output directory")
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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 replace(filename, from, to string) {
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reg := regexp.MustCompile(from)
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buf, err := ioutil.ReadFile(filename)
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if err != nil {
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die("error reading file %v: %v", filename, err)
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}
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buf = reg.ReplaceAll(buf, []byte(to))
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err = ioutil.WriteFile(filename, buf, 0644)
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if err != nil {
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die("error writing file %v: %v", filename, 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 strings.TrimSpace(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("uncommitted 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 preCheckChangelogCurrent() {
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if opts.IgnoreChangelogCurrent {
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return
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}
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// regenerate changelog
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run("calens", "--output", "CHANGELOG.md")
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// check for uncommitted changes in changelog
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if len(uncommittedChanges("CHANGELOG.md")) > 0 {
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msg("committing file CHANGELOG.md")
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run("git", "commit", "-m", fmt.Sprintf("Generate CHANGELOG.md for %v", opts.Version), "CHANGELOG.md")
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}
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}
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func preCheckChangelogRelease() {
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if opts.IgnoreChangelogReleaseDate {
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return
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}
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d, err := os.Open("changelog")
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if err != nil {
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die("error opening dir: %v", err)
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}
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names, err := d.Readdirnames(-1)
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if err != nil {
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_ = d.Close()
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die("error listing dir: %v", err)
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}
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err = d.Close()
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if err != nil {
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die("error closing dir: %v", err)
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}
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for _, name := range names {
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if strings.HasPrefix(name, opts.Version+"_") {
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return
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}
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}
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die("unable to find subdir with date for version %v in changelog", opts.Version)
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}
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func preCheckChangelogVersion() {
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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.Contains(strings.TrimSpace(sc.Text()), fmt.Sprintf("Changelog for restic %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 preCheckDockerBuilderGoVersion() {
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if opts.IgnoreDockerBuildGoVersion {
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return
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}
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buf, err := exec.Command("go", "version").Output()
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if err != nil {
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die("unable to check local Go version: %v", err)
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}
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localVersion := strings.TrimSpace(string(buf))
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msg("update docker container restic/builder")
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run("docker", "pull", "restic/builder")
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buf, err = exec.Command("docker", "run", "--rm", "restic/builder", "go", "version").Output()
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if err != nil {
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die("unable to check Go version in docker image: %v", err)
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}
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containerVersion := strings.TrimSpace(string(buf))
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if localVersion != containerVersion {
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die("version in docker container restic/builder is different:\n local: %v\n container: %v\n",
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localVersion, containerVersion)
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}
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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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run("git", "add", "doc")
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changes := uncommittedChanges("doc")
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if len(changes) > 0 {
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msg("committing 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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var versionPattern = `var version = ".*"`
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const versionCodeFile = "cmd/restic/global.go"
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func updateVersion() {
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err := ioutil.WriteFile("VERSION", []byte(opts.Version+"\n"), 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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newVersion := fmt.Sprintf("var version = %q", opts.Version)
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replace(versionCodeFile, versionPattern, newVersion)
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if len(uncommittedChanges("VERSION")) > 0 || len(uncommittedChanges(versionCodeFile)) > 0 {
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msg("committing version files")
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run("git", "commit", "-m", fmt.Sprintf("Add version for %v", opts.Version), "VERSION", versionCodeFile)
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}
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}
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func updateVersionDev() {
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newVersion := fmt.Sprintf(`var version = "%s-dev (compiled manually)"`, opts.Version)
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replace(versionCodeFile, versionPattern, newVersion)
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msg("committing cmd/restic/global.go with dev version")
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run("git", "commit", "-m", fmt.Sprintf("Set development version for %v", opts.Version), "VERSION", versionCodeFile)
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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(version, tarFilename string) {
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cmd := fmt.Sprintf("git archive --format=tar --prefix=restic-%s/ v%s | gzip -n > %s",
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version, version, tarFilename)
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run("sh", "-c", cmd)
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msg("build restic-%s.tar.gz", version)
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}
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func extractTar(filename, outputDir string) {
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msg("extract tar into %v", outputDir)
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c := exec.Command("tar", "xz", "--strip-components=1", "-f", filename)
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c.Stdout = os.Stdout
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c.Stderr = os.Stderr
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c.Dir = outputDir
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err := c.Run()
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if err != nil {
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die("error extracting tar: %v", err)
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}
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}
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func runBuild(sourceDir, outputDir, version string) {
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msg("building binaries...")
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run("docker", "run", "--rm",
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"--volume", sourceDir+":/restic",
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"--volume", outputDir+":/output",
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"restic/builder",
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"go", "run", "helpers/build-release-binaries/main.go",
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"--version", version)
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}
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func readdir(dir string) []string {
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fis, err := ioutil.ReadDir(dir)
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if err != nil {
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die("readdir %v failed: %v", dir, err)
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}
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filenames := make([]string, 0, len(fis))
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for _, fi := range fis {
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filenames = append(filenames, fi.Name())
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}
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return filenames
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}
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func sha256sums(inputDir, outputFile string) {
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msg("runnnig sha256sum in %v", inputDir)
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filenames := readdir(inputDir)
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f, err := os.Create(outputFile)
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if err != nil {
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die("unable to create %v: %v", outputFile, err)
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}
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c := exec.Command("sha256sum", filenames...)
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c.Stdout = f
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c.Stderr = os.Stderr
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c.Dir = inputDir
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err = c.Run()
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if err != nil {
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die("error running sha256sums: %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: %v", outputFile, err)
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}
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}
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func signFiles(filenames ...string) {
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for _, filename := range filenames {
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run("gpg", "--armor", "--detach-sign", filename)
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}
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}
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func updateDocker(outputDir, version string) {
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cmd := fmt.Sprintf("bzcat %s/restic_%s_linux_amd64.bz2 > restic", outputDir, version)
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run("sh", "-c", cmd)
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run("chmod", "+x", "restic")
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run("docker", "pull", "alpine:latest")
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run("docker", "build", "--rm", "--tag", "restic/restic:latest", "-f", "docker/Dockerfile", ".")
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run("docker", "tag", "restic/restic:latest", "restic/restic:"+version)
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}
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func tempdir(prefix string) string {
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dir, err := ioutil.TempDir(getwd(), prefix)
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if err != nil {
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die("unable to create temp dir %q: %v", prefix, err)
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}
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return dir
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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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preCheckBranchMaster()
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preCheckUncommittedChanges()
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preCheckVersionExists()
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preCheckDockerBuilderGoVersion()
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preCheckChangelogRelease()
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preCheckChangelogCurrent()
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preCheckChangelogVersion()
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if opts.OutputDir == "" {
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opts.OutputDir = tempdir("build-output-")
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}
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sourceDir := tempdir("source-")
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msg("using output dir %v", opts.OutputDir)
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msg("using source dir %v", sourceDir)
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generateFiles()
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updateVersion()
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addTag()
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updateVersionDev()
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tarFilename := filepath.Join(opts.OutputDir, fmt.Sprintf("restic-%s.tar.gz", opts.Version))
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exportTar(opts.Version, tarFilename)
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extractTar(tarFilename, sourceDir)
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runBuild(sourceDir, opts.OutputDir, opts.Version)
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rmdir(sourceDir)
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sha256sums(opts.OutputDir, filepath.Join(opts.OutputDir, "SHA256SUMS"))
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signFiles(filepath.Join(opts.OutputDir, "SHA256SUMS"), tarFilename)
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updateDocker(opts.OutputDir, opts.Version)
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msg("done, output dir is %v", opts.OutputDir)
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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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