mirror of
https://github.com/vbatts/freezing-octo-hipster.git
synced 2024-11-22 15:05:39 +00:00
92 lines
2.3 KiB
Go
92 lines
2.3 KiB
Go
package main
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import (
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"flag"
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"io/ioutil"
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"os"
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"path/filepath"
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"strings"
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"github.com/go-git/go-git/v5/config"
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"github.com/sirupsen/logrus"
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)
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var (
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DefaultConfigPath = ".git/config"
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DefaultRepoPath = "."
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DefaultUpstreamName = "origin"
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PullRequestRefSpec = "+refs/pull/*/head:refs/remotes/pr/*"
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)
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func init() {
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flag.StringVar(&DefaultConfigPath, "config", DefaultConfigPath, "path to the git config")
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flag.StringVar(&DefaultRepoPath, "path", DefaultRepoPath, "local path of the git repo")
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flag.StringVar(&DefaultUpstreamName, "remote", DefaultUpstreamName, "upstream remote name")
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}
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func main() {
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flag.Parse()
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path := filepath.Join(DefaultRepoPath, DefaultConfigPath)
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logrus.Infof("reading from %q", path)
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origBuf, err := ioutil.ReadFile(path)
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if err != nil {
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logrus.Fatal(err)
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}
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cfg := config.NewConfig()
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err = cfg.Unmarshal(origBuf)
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if err != nil {
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logrus.Fatal(err)
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}
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changesMade := false
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foundRemote := false
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outer:
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for origin, remote := range cfg.Remotes {
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if origin != DefaultUpstreamName {
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logrus.Infof("skipping %s", origin)
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continue
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}
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foundRemote = true
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foundGithub := false
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for _, url := range remote.URLs {
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logrus.Infof("%s/%s URL: %s", origin, remote.Name, url)
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if strings.Contains(url, "github.com") {
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foundGithub = true
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}
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}
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if !foundGithub {
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logrus.Warn("no github remote URL found. PR RefSpec doesn't make sense here")
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break outer
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}
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for _, fetch := range remote.Fetch {
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if fetch.String() == PullRequestRefSpec {
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logrus.Infof("PR Fetch RefSpec is already here!")
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break outer
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}
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logrus.Debugf("%s/%s = %s", origin, remote.Name, fetch)
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}
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logrus.Infof("appending fetch = %s", PullRequestRefSpec)
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remote.Fetch = append(remote.Fetch, config.RefSpec(PullRequestRefSpec))
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changesMade = true
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}
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if !foundRemote {
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logrus.Fatalf("failed to find %q remote", DefaultUpstreamName)
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}
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// write back the Marshalled config
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if changesMade {
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newBuf, err := cfg.Marshal()
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if err != nil {
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logrus.Fatalf("failed to marshal back: %s", err)
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}
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//fmt.Println(string(newBuf))
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if err := ioutil.WriteFile(path, newBuf, os.FileMode(0644)); err != nil {
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logrus.Fatalf("failed to rewrite %q: %s", path, err)
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}
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logrus.Infof("SUCCESS! `git fetch` and then you can `git checkout pr/$NUM` of your PRs")
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}
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}
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