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Code Issues 8 Releases Wiki Polls Activity

Revert "Simplify `contrib/backport` (#27520)" (#27566)

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This reverts #27520 commit 79e8865aae
which breaks `--continue` functionality.
mj-develop
zeripath 7 months ago committed by GitHub
parent 248b7ee850
commit 4378f9dfff
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 225 additions and 12 deletions
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237
contrib/backport/backport.go
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@ -7,6 +7,7 @@ package main
import (
"context"
"fmt"
"log"
"net/http"
"os"
"os/exec"
@ -18,8 +19,11 @@ import (
"github.com/google/go-github/v53/github"
"github.com/urfave/cli/v2"
"gopkg.in/yaml.v3"
)
const defaultVersion = "v1.18" // to backport to
func main() {
app := cli.NewApp()
app.Name = "backport"
@ -50,6 +54,16 @@ func main() {
Name: "backport-branch",
Usage: "Backport branch to backport on to (default: backport-<pr>-<version>",
},
&cli.StringFlag{
Name: "remote",
Value: "",
Usage: "Remote for your fork of the Gitea upstream",
},
&cli.StringFlag{
Name: "fork-user",
Value: "",
Usage: "Forked user name on Github",
},
&cli.BoolFlag{
Name: "no-fetch",
Usage: "Set this flag to prevent fetch of remote branches",
@ -58,6 +72,18 @@ func main() {
Name: "no-amend-message",
Usage: "Set this flag to prevent automatic amendment of the commit message",
},
&cli.BoolFlag{
Name: "no-push",
Usage: "Set this flag to prevent pushing the backport up to your fork",
},
&cli.BoolFlag{
Name: "no-xdg-open",
Usage: "Set this flag to not use xdg-open to open the PR URL",
},
&cli.BoolFlag{
Name: "continue",
Usage: "Set this flag to continue from a git cherry-pick that has broken",
},
}
cli.AppHelpTemplate = `NAME:
{{.Name}} - {{.Usage}}
@ -75,7 +101,7 @@ OPTIONS:
app.Action = runBackport
if err := app.Run(os.Args); err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
fmt.Fprintf(os.Stderr, "Unable to backport: %v\n", err)
}
}
@ -83,9 +109,24 @@ func runBackport(c *cli.Context) error {
ctx, cancel := installSignals()
defer cancel()
continuing := c.Bool("continue")
var pr string
version := c.String("version")
if version == "" && continuing {
// determine version from current branch name
var err error
pr, version, err = readCurrentBranch(ctx)
if err != nil {
return err
}
}
if version == "" {
return fmt.Errorf("Provide a version to backport to")
version = readVersion()
}
if version == "" {
version = defaultVersion
}
upstream := c.String("upstream")
@ -93,6 +134,16 @@ func runBackport(c *cli.Context) error {
upstream = "origin"
}
forkUser := c.String("fork-user")
remote := c.String("remote")
if remote == "" && !c.Bool("--no-push") {
var err error
remote, forkUser, err = determineRemote(ctx, forkUser)
if err != nil {
return err
}
}
upstreamReleaseBranch := c.String("release-branch")
if upstreamReleaseBranch == "" {
upstreamReleaseBranch = path.Join("release", version)
@ -101,12 +152,14 @@ func runBackport(c *cli.Context) error {
localReleaseBranch := path.Join(upstream, upstreamReleaseBranch)
args := c.Args().Slice()
if len(args) == 0 {
return fmt.Errorf("Provide a PR number to backport")
} else if len(args) != 1 {
return fmt.Errorf("Only a single PR can be backported at a time")
if len(args) == 0 && pr == "" {
return fmt.Errorf("no PR number provided\nProvide a PR number to backport")
} else if len(args) != 1 && pr == "" {
return fmt.Errorf("multiple PRs provided %v\nOnly a single PR can be backported at a time", args)
}
if pr == "" {
pr = args[0]
}
pr := args[0]
backportBranch := c.String("backport-branch")
if backportBranch == "" {
@ -133,8 +186,10 @@ func runBackport(c *cli.Context) error {
}
}
if err := checkoutBackportBranch(ctx, backportBranch, localReleaseBranch); err != nil {
return err
if !continuing {
if err := checkoutBackportBranch(ctx, backportBranch, localReleaseBranch); err != nil {
return err
}
}
if err := cherrypick(ctx, sha); err != nil {
@ -147,8 +202,41 @@ func runBackport(c *cli.Context) error {
}
}
fmt.Printf("Backport done! You can now push it with `git push <your remote> %s`\n", backportBranch)
if !c.Bool("no-push") {
url := "https://github.com/go-gitea/gitea/compare/" + upstreamReleaseBranch + "..." + forkUser + ":" + backportBranch
if err := gitPushUp(ctx, remote, backportBranch); err != nil {
return err
}
if !c.Bool("no-xdg-open") {
if err := xdgOpen(ctx, url); err != nil {
return err
}
} else {
fmt.Printf("* Navigate to %s to open PR\n", url)
}
}
return nil
}
func xdgOpen(ctx context.Context, url string) error {
fmt.Printf("* `xdg-open %s`\n", url)
out, err := exec.CommandContext(ctx, "xdg-open", url).Output()
if err != nil {
fmt.Fprintf(os.Stderr, "%s", string(out))
return fmt.Errorf("unable to xdg-open to %s: %w", url, err)
}
return nil
}
func gitPushUp(ctx context.Context, remote, backportBranch string) error {
fmt.Printf("* `git push -u %s %s`\n", remote, backportBranch)
out, err := exec.CommandContext(ctx, "git", "push", "-u", remote, backportBranch).Output()
if err != nil {
fmt.Fprintf(os.Stderr, "%s", string(out))
return fmt.Errorf("unable to push up to %s: %w", remote, err)
}
return nil
}
@ -179,6 +267,18 @@ func amendCommit(ctx context.Context, pr string) error {
}
func cherrypick(ctx context.Context, sha string) error {
// Check if a CHERRY_PICK_HEAD exists
if _, err := os.Stat(".git/CHERRY_PICK_HEAD"); err == nil {
// Assume that we are in the middle of cherry-pick - continue it
fmt.Println("* Attempting git cherry-pick --continue")
out, err := exec.CommandContext(ctx, "git", "cherry-pick", "--continue").Output()
if err != nil {
fmt.Fprintf(os.Stderr, "git cherry-pick --continue failed:\n%s\n", string(out))
return fmt.Errorf("unable to continue cherry-pick: %w", err)
}
return nil
}
fmt.Printf("* Attempting git cherry-pick %s\n", sha)
out, err := exec.CommandContext(ctx, "git", "cherry-pick", sha).Output()
if err != nil {
@ -189,8 +289,22 @@ func cherrypick(ctx context.Context, sha string) error {
}
func checkoutBackportBranch(ctx context.Context, backportBranch, releaseBranch string) error {
fmt.Printf("* `git branch -D %s`\n", backportBranch)
_ = exec.CommandContext(ctx, "git", "branch", "-D", backportBranch).Run()
out, err := exec.CommandContext(ctx, "git", "branch", "--show-current").Output()
if err != nil {
return fmt.Errorf("unable to check current branch %w", err)
}
currentBranch := strings.TrimSpace(string(out))
fmt.Printf("* Current branch is %s\n", currentBranch)
if currentBranch == backportBranch {
fmt.Printf("* Current branch is %s - not checking out\n", currentBranch)
return nil
}
if _, err := exec.CommandContext(ctx, "git", "rev-list", "-1", backportBranch).Output(); err == nil {
fmt.Printf("* Branch %s already exists. Checking it out...\n", backportBranch)
return exec.CommandContext(ctx, "git", "checkout", "-f", backportBranch).Run()
}
fmt.Printf("* `git checkout -b %s %s`\n", backportBranch, releaseBranch)
return exec.CommandContext(ctx, "git", "checkout", "-b", backportBranch, releaseBranch).Run()
@ -203,6 +317,7 @@ func fetchRemoteAndMain(ctx context.Context, remote, releaseBranch string) error
fmt.Println(string(out))
return fmt.Errorf("unable to fetch %s from %s: %w", "main", remote, err)
}
fmt.Println(string(out))
fmt.Printf("* `git fetch %s %s`\n", remote, releaseBranch)
out, err = exec.CommandContext(ctx, "git", "fetch", remote, releaseBranch).Output()
@ -210,10 +325,108 @@ func fetchRemoteAndMain(ctx context.Context, remote, releaseBranch string) error
fmt.Println(string(out))
return fmt.Errorf("unable to fetch %s from %s: %w", releaseBranch, remote, err)
}
fmt.Println(string(out))
return nil
}
func determineRemote(ctx context.Context, forkUser string) (string, string, error) {
out, err := exec.CommandContext(ctx, "git", "remote", "-v").Output()
if err != nil {
fmt.Fprintf(os.Stderr, "Unable to list git remotes:\n%s\n", string(out))
return "", "", fmt.Errorf("unable to determine forked remote: %w", err)
}
lines := strings.Split(string(out), "\n")
for _, line := range lines {
fields := strings.Split(line, "\t")
name, remote := fields[0], fields[1]
// only look at pushers
if !strings.HasSuffix(remote, " (push)") {
continue
}
// only look at github.com pushes
if !strings.Contains(remote, "github.com") {
continue
}
// ignore go-gitea/gitea
if strings.Contains(remote, "go-gitea/gitea") {
continue
}
if !strings.Contains(remote, forkUser) {
continue
}
if strings.HasPrefix(remote, "git@github.com:") {
forkUser = strings.TrimPrefix(remote, "git@github.com:")
} else if strings.HasPrefix(remote, "https://github.com/") {
forkUser = strings.TrimPrefix(remote, "https://github.com/")
} else if strings.HasPrefix(remote, "https://www.github.com/") {
forkUser = strings.TrimPrefix(remote, "https://www.github.com/")
} else if forkUser == "" {
return "", "", fmt.Errorf("unable to extract forkUser from remote %s: %s", name, remote)
}
idx := strings.Index(forkUser, "/")
if idx >= 0 {
forkUser = forkUser[:idx]
}
return name, forkUser, nil
}
return "", "", fmt.Errorf("unable to find appropriate remote in:\n%s", string(out))
}
func readCurrentBranch(ctx context.Context) (pr, version string, err error) {
out, err := exec.CommandContext(ctx, "git", "branch", "--show-current").Output()
if err != nil {
fmt.Fprintf(os.Stderr, "Unable to read current git branch:\n%s\n", string(out))
return "", "", fmt.Errorf("unable to read current git branch: %w", err)
}
parts := strings.Split(strings.TrimSpace(string(out)), "-")
if len(parts) != 3 || parts[0] != "backport" {
fmt.Fprintf(os.Stderr, "Unable to continue from git branch:\n%s\n", string(out))
return "", "", fmt.Errorf("unable to continue from git branch:\n%s", string(out))
}
return parts[1], parts[2], nil
}
func readVersion() string {
bs, err := os.ReadFile("docs/config.yaml")
if err != nil {
if err == os.ErrNotExist {
log.Println("`docs/config.yaml` not present")
return ""
}
fmt.Fprintf(os.Stderr, "Unable to read `docs/config.yaml`: %v\n", err)
return ""
}
type params struct {
Version string
}
type docConfig struct {
Params params
}
dc := &docConfig{}
if err := yaml.Unmarshal(bs, dc); err != nil {
fmt.Fprintf(os.Stderr, "Unable to read `docs/config.yaml`: %v\n", err)
return ""
}
if dc.Params.Version == "" {
fmt.Fprintf(os.Stderr, "No version in `docs/config.yaml`")
return ""
}
version := dc.Params.Version
if version[0] != 'v' {
version = "v" + version
}
split := strings.SplitN(version, ".", 3)
return strings.Join(split[:2], ".")
}
func determineSHAforPR(ctx context.Context, prStr string) (string, error) {
prNum, err := strconv.Atoi(prStr)
if err != nil {

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