hub/commands/cherry_pick.go

108 строки
2.5 KiB
Go

package commands
import (
"fmt"
"regexp"
"github.com/github/hub/github"
"github.com/github/hub/utils"
)
var cmdCherryPick = &Command{
Run: cherryPick,
GitExtension: true,
Usage: `
cherry-pick <COMMIT-URL>
cherry-pick <USER>@<SHA>
`,
Long: `Cherry-pick a commit from a fork on GitHub.
## See also:
hub-am(1), hub(1), git-cherry-pick(1)
`,
}
func init() {
CmdRunner.Use(cmdCherryPick)
}
func cherryPick(command *Command, args *Args) {
if args.IndexOfParam("-m") == -1 && args.IndexOfParam("--mainline") == -1 {
transformCherryPickArgs(args)
}
}
func transformCherryPickArgs(args *Args) {
if args.IsParamsEmpty() {
return
}
ref := args.LastParam()
project, sha, refspec, isPrivate := parseCherryPickProjectAndSha(ref)
if project != nil {
args.ReplaceParam(args.IndexOfParam(ref), sha)
tmpName := "_hub-cherry-pick"
remoteName := tmpName
if remote := gitRemoteForProject(project); remote != nil {
remoteName = remote.Name
} else {
args.Before("git", "remote", "add", remoteName, project.GitURL("", "", isPrivate))
}
fetchArgs := []string{"git", "fetch", "-q", "--no-tags", remoteName}
if refspec != "" {
fetchArgs = append(fetchArgs, refspec)
}
args.Before(fetchArgs...)
if remoteName == tmpName {
args.Before("git", "remote", "rm", remoteName)
}
}
}
func parseCherryPickProjectAndSha(ref string) (project *github.Project, sha, refspec string, isPrivate bool) {
shaRe := "[a-f0-9]{7,40}"
var mainProject *github.Project
localRepo, mainProjectErr := github.LocalRepo()
if mainProjectErr == nil {
mainProject, mainProjectErr = localRepo.MainProject()
}
url, err := github.ParseURL(ref)
if err == nil {
projectPath := url.ProjectPath()
commitRegex := regexp.MustCompile(fmt.Sprintf("^commit/(%s)", shaRe))
if matches := commitRegex.FindStringSubmatch(projectPath); len(matches) > 0 {
sha = matches[1]
project = url.Project
return
}
pullRegex := regexp.MustCompile(fmt.Sprintf(`^pull/(\d+)/commits/(%s)`, shaRe))
if matches := pullRegex.FindStringSubmatch(projectPath); len(matches) > 0 {
pullId := matches[1]
sha = matches[2]
utils.Check(mainProjectErr)
project = mainProject
refspec = fmt.Sprintf("refs/pull/%s/head", pullId)
return
}
}
ownerWithShaRegexp := regexp.MustCompile(fmt.Sprintf("^(%s)@(%s)$", OwnerRe, shaRe))
if matches := ownerWithShaRegexp.FindStringSubmatch(ref); len(matches) > 0 {
utils.Check(mainProjectErr)
project = mainProject
project.Owner = matches[1]
sha = matches[2]
}
return
}