mirror of
https://github.com/go-gitea/gitea
synced 2024-12-22 16:44:26 +00:00
Simplify contrib/backport
(#27520)
This script was trying to be too smart, make it more straightforward and
less error-prone so that i could be used by the backport bot too
ideally.
- Always delete the backport branch so that script is idempotent in this
regard
- Remove the push functionality, it's best done by the user because only
they know the remote name
- Remove reading docs/config.yaml, it no longer exists
- Remove version detection, version is now a required argument
- Remove opening the pull request with xdg-open, xdg-open is not
portable
- Remove continue from failed cherry pick. It's best to reset manually
in this case
- Clean up the console logging
Example run:
```
$ go run ./contrib/backport --version v1.21 27503
* Backporting 27503 to origin/release/v1.21 as backport-27503-v1.21
* `git fetch origin main`
* `git fetch origin release/v1.21`
* `git branch -D backport-27503-v1.21`
* `git checkout -b backport-27503-v1.21 origin/release/v1.21`
* Attempting git cherry-pick 08efeb5cdc
* Amending commit to prepend `Backport #27503` to body
Backport done! You can now push it with `git push yourremote backport-27503-v1.21`
```
---------
Co-authored-by: delvh <dev.lh@web.de>
This commit is contained in:
parent
e94a4ad28d
commit
79e8865aae
@ -7,7 +7,6 @@ package main
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import (
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import (
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"context"
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"context"
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"fmt"
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"fmt"
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"log"
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"net/http"
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"net/http"
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"os"
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"os"
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"os/exec"
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"os/exec"
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@ -19,11 +18,8 @@ import (
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"github.com/google/go-github/v53/github"
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"github.com/google/go-github/v53/github"
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"github.com/urfave/cli/v2"
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"github.com/urfave/cli/v2"
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"gopkg.in/yaml.v3"
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)
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)
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const defaultVersion = "v1.18" // to backport to
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func main() {
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func main() {
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app := cli.NewApp()
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app := cli.NewApp()
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app.Name = "backport"
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app.Name = "backport"
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@ -54,16 +50,6 @@ func main() {
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Name: "backport-branch",
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Name: "backport-branch",
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Usage: "Backport branch to backport on to (default: backport-<pr>-<version>",
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Usage: "Backport branch to backport on to (default: backport-<pr>-<version>",
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},
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},
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&cli.StringFlag{
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Name: "remote",
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Value: "",
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Usage: "Remote for your fork of the Gitea upstream",
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},
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&cli.StringFlag{
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Name: "fork-user",
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Value: "",
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Usage: "Forked user name on Github",
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},
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&cli.BoolFlag{
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&cli.BoolFlag{
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Name: "no-fetch",
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Name: "no-fetch",
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Usage: "Set this flag to prevent fetch of remote branches",
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Usage: "Set this flag to prevent fetch of remote branches",
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@ -72,18 +58,6 @@ func main() {
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Name: "no-amend-message",
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Name: "no-amend-message",
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Usage: "Set this flag to prevent automatic amendment of the commit message",
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Usage: "Set this flag to prevent automatic amendment of the commit message",
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},
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},
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&cli.BoolFlag{
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Name: "no-push",
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Usage: "Set this flag to prevent pushing the backport up to your fork",
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},
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&cli.BoolFlag{
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Name: "no-xdg-open",
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Usage: "Set this flag to not use xdg-open to open the PR URL",
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},
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&cli.BoolFlag{
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Name: "continue",
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Usage: "Set this flag to continue from a git cherry-pick that has broken",
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},
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}
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}
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cli.AppHelpTemplate = `NAME:
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cli.AppHelpTemplate = `NAME:
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{{.Name}} - {{.Usage}}
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{{.Name}} - {{.Usage}}
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@ -101,7 +75,7 @@ OPTIONS:
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app.Action = runBackport
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app.Action = runBackport
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if err := app.Run(os.Args); err != nil {
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if err := app.Run(os.Args); err != nil {
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fmt.Fprintf(os.Stderr, "Unable to backport: %v\n", err)
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fmt.Fprintf(os.Stderr, "%v\n", err)
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}
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}
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}
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}
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@ -109,24 +83,9 @@ func runBackport(c *cli.Context) error {
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ctx, cancel := installSignals()
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ctx, cancel := installSignals()
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defer cancel()
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defer cancel()
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continuing := c.Bool("continue")
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var pr string
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version := c.String("version")
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version := c.String("version")
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if version == "" && continuing {
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// determine version from current branch name
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var err error
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pr, version, err = readCurrentBranch(ctx)
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if err != nil {
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return err
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}
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}
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if version == "" {
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if version == "" {
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version = readVersion()
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return fmt.Errorf("Provide a version to backport to")
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}
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if version == "" {
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version = defaultVersion
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}
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}
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upstream := c.String("upstream")
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upstream := c.String("upstream")
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@ -134,16 +93,6 @@ func runBackport(c *cli.Context) error {
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upstream = "origin"
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upstream = "origin"
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}
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}
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forkUser := c.String("fork-user")
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remote := c.String("remote")
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if remote == "" && !c.Bool("--no-push") {
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var err error
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remote, forkUser, err = determineRemote(ctx, forkUser)
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if err != nil {
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return err
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}
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}
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upstreamReleaseBranch := c.String("release-branch")
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upstreamReleaseBranch := c.String("release-branch")
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if upstreamReleaseBranch == "" {
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if upstreamReleaseBranch == "" {
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upstreamReleaseBranch = path.Join("release", version)
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upstreamReleaseBranch = path.Join("release", version)
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@ -152,14 +101,12 @@ func runBackport(c *cli.Context) error {
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localReleaseBranch := path.Join(upstream, upstreamReleaseBranch)
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localReleaseBranch := path.Join(upstream, upstreamReleaseBranch)
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args := c.Args().Slice()
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args := c.Args().Slice()
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if len(args) == 0 && pr == "" {
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if len(args) == 0 {
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return fmt.Errorf("no PR number provided\nProvide a PR number to backport")
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return fmt.Errorf("Provide a PR number to backport")
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} else if len(args) != 1 && pr == "" {
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} else if len(args) != 1 {
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return fmt.Errorf("multiple PRs provided %v\nOnly a single PR can be backported at a time", args)
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return fmt.Errorf("Only a single PR can be backported at a time")
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}
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if pr == "" {
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pr = args[0]
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}
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}
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pr := args[0]
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backportBranch := c.String("backport-branch")
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backportBranch := c.String("backport-branch")
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if backportBranch == "" {
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if backportBranch == "" {
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@ -186,11 +133,9 @@ func runBackport(c *cli.Context) error {
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}
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}
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}
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}
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if !continuing {
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if err := checkoutBackportBranch(ctx, backportBranch, localReleaseBranch); err != nil {
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if err := checkoutBackportBranch(ctx, backportBranch, localReleaseBranch); err != nil {
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return err
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return err
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}
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}
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}
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if err := cherrypick(ctx, sha); err != nil {
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if err := cherrypick(ctx, sha); err != nil {
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return err
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return err
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@ -202,41 +147,8 @@ func runBackport(c *cli.Context) error {
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}
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}
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}
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}
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if !c.Bool("no-push") {
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fmt.Printf("Backport done! You can now push it with `git push <your remote> %s`\n", backportBranch)
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url := "https://github.com/go-gitea/gitea/compare/" + upstreamReleaseBranch + "..." + forkUser + ":" + backportBranch
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if err := gitPushUp(ctx, remote, backportBranch); err != nil {
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return err
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}
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if !c.Bool("no-xdg-open") {
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if err := xdgOpen(ctx, url); err != nil {
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return err
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}
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} else {
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fmt.Printf("* Navigate to %s to open PR\n", url)
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}
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}
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return nil
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}
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func xdgOpen(ctx context.Context, url string) error {
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fmt.Printf("* `xdg-open %s`\n", url)
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out, err := exec.CommandContext(ctx, "xdg-open", url).Output()
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if err != nil {
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fmt.Fprintf(os.Stderr, "%s", string(out))
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return fmt.Errorf("unable to xdg-open to %s: %w", url, err)
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}
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return nil
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}
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func gitPushUp(ctx context.Context, remote, backportBranch string) error {
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fmt.Printf("* `git push -u %s %s`\n", remote, backportBranch)
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out, err := exec.CommandContext(ctx, "git", "push", "-u", remote, backportBranch).Output()
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if err != nil {
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fmt.Fprintf(os.Stderr, "%s", string(out))
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return fmt.Errorf("unable to push up to %s: %w", remote, err)
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}
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return nil
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return nil
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}
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}
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@ -267,18 +179,6 @@ func amendCommit(ctx context.Context, pr string) error {
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}
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}
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func cherrypick(ctx context.Context, sha string) error {
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func cherrypick(ctx context.Context, sha string) error {
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// Check if a CHERRY_PICK_HEAD exists
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if _, err := os.Stat(".git/CHERRY_PICK_HEAD"); err == nil {
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// Assume that we are in the middle of cherry-pick - continue it
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fmt.Println("* Attempting git cherry-pick --continue")
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out, err := exec.CommandContext(ctx, "git", "cherry-pick", "--continue").Output()
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if err != nil {
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fmt.Fprintf(os.Stderr, "git cherry-pick --continue failed:\n%s\n", string(out))
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return fmt.Errorf("unable to continue cherry-pick: %w", err)
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}
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return nil
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}
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fmt.Printf("* Attempting git cherry-pick %s\n", sha)
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fmt.Printf("* Attempting git cherry-pick %s\n", sha)
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out, err := exec.CommandContext(ctx, "git", "cherry-pick", sha).Output()
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out, err := exec.CommandContext(ctx, "git", "cherry-pick", sha).Output()
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if err != nil {
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if err != nil {
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@ -289,22 +189,8 @@ func cherrypick(ctx context.Context, sha string) error {
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}
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}
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func checkoutBackportBranch(ctx context.Context, backportBranch, releaseBranch string) error {
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func checkoutBackportBranch(ctx context.Context, backportBranch, releaseBranch string) error {
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out, err := exec.CommandContext(ctx, "git", "branch", "--show-current").Output()
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fmt.Printf("* `git branch -D %s`\n", backportBranch)
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if err != nil {
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_ = exec.CommandContext(ctx, "git", "branch", "-D", backportBranch).Run()
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return fmt.Errorf("unable to check current branch %w", err)
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}
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currentBranch := strings.TrimSpace(string(out))
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fmt.Printf("* Current branch is %s\n", currentBranch)
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if currentBranch == backportBranch {
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fmt.Printf("* Current branch is %s - not checking out\n", currentBranch)
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return nil
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}
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if _, err := exec.CommandContext(ctx, "git", "rev-list", "-1", backportBranch).Output(); err == nil {
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fmt.Printf("* Branch %s already exists. Checking it out...\n", backportBranch)
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return exec.CommandContext(ctx, "git", "checkout", "-f", backportBranch).Run()
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}
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fmt.Printf("* `git checkout -b %s %s`\n", backportBranch, releaseBranch)
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fmt.Printf("* `git checkout -b %s %s`\n", backportBranch, releaseBranch)
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return exec.CommandContext(ctx, "git", "checkout", "-b", backportBranch, releaseBranch).Run()
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return exec.CommandContext(ctx, "git", "checkout", "-b", backportBranch, releaseBranch).Run()
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@ -317,7 +203,6 @@ func fetchRemoteAndMain(ctx context.Context, remote, releaseBranch string) error
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fmt.Println(string(out))
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fmt.Println(string(out))
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return fmt.Errorf("unable to fetch %s from %s: %w", "main", remote, err)
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return fmt.Errorf("unable to fetch %s from %s: %w", "main", remote, err)
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}
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}
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fmt.Println(string(out))
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fmt.Printf("* `git fetch %s %s`\n", remote, releaseBranch)
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fmt.Printf("* `git fetch %s %s`\n", remote, releaseBranch)
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out, err = exec.CommandContext(ctx, "git", "fetch", remote, releaseBranch).Output()
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out, err = exec.CommandContext(ctx, "git", "fetch", remote, releaseBranch).Output()
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@ -325,108 +210,10 @@ func fetchRemoteAndMain(ctx context.Context, remote, releaseBranch string) error
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fmt.Println(string(out))
|
fmt.Println(string(out))
|
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return fmt.Errorf("unable to fetch %s from %s: %w", releaseBranch, remote, err)
|
return fmt.Errorf("unable to fetch %s from %s: %w", releaseBranch, remote, err)
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}
|
}
|
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fmt.Println(string(out))
|
|
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|
|
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return nil
|
return nil
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}
|
}
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|
|
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func determineRemote(ctx context.Context, forkUser string) (string, string, error) {
|
|
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out, err := exec.CommandContext(ctx, "git", "remote", "-v").Output()
|
|
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if err != nil {
|
|
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fmt.Fprintf(os.Stderr, "Unable to list git remotes:\n%s\n", string(out))
|
|
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return "", "", fmt.Errorf("unable to determine forked remote: %w", err)
|
|
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}
|
|
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lines := strings.Split(string(out), "\n")
|
|
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for _, line := range lines {
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|
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fields := strings.Split(line, "\t")
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|
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name, remote := fields[0], fields[1]
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// only look at pushers
|
|
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if !strings.HasSuffix(remote, " (push)") {
|
|
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continue
|
|
||||||
}
|
|
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// only look at github.com pushes
|
|
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if !strings.Contains(remote, "github.com") {
|
|
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continue
|
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}
|
|
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// ignore go-gitea/gitea
|
|
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if strings.Contains(remote, "go-gitea/gitea") {
|
|
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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) {
|
func determineSHAforPR(ctx context.Context, prStr string) (string, error) {
|
||||||
prNum, err := strconv.Atoi(prStr)
|
prNum, err := strconv.Atoi(prStr)
|
||||||
if err != nil {
|
if err != nil {
|
||||||
|
Loading…
Reference in New Issue
Block a user