Enable a way to checkout Pull Requests from remote refs

This commit is contained in:
Martin Hartkorn 2016-01-30 23:56:38 +01:00
parent 6e03f61617
commit 20403f75fb
4 changed files with 159 additions and 0 deletions

100
cmd/pull.go Normal file
View file

@ -0,0 +1,100 @@
// Copyright 2015 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package cmd
import (
"bufio"
"log"
"os"
"strconv"
"strings"
"github.com/codegangsta/cli"
"github.com/gogits/git-module"
"github.com/gogits/gogs/models"
)
var CmdPull = cli.Command{
Name: "pull",
Usage: "Filter commits for Pull Request actions",
Description: `Checks commits for potential pull request updates and takes appropriate actions.`,
Action: runPull,
Flags: []cli.Flag{
stringFlag("path, p", "", "repository path"),
},
}
func runPull(ctx *cli.Context) {
setup("pull.log")
if !ctx.IsSet("path") {
log.Fatal("Missing argument --path")
}
workingDirectory := ctx.String("path")
// Scan standard input (stdin) for updated refs
stdin := bufio.NewScanner(os.Stdin)
for stdin.Scan() {
// Format from post-receive is: <old-commit> <new-commit> <ref-name>
args := strings.Split(stdin.Text(), " ")
if len(args) < 3 {
continue
}
refName := args[2]
refSplits := strings.Split(refName, "/")
if len(refSplits) < 3 {
log.Fatal("Not enough elements in refs element.")
}
// if refSplits[1] == "pull" {
// log.Fatal("Not allowed to push to \"pull\" refs. Reserved for Pull Requests.")
// } else
if refSplits[1] != "heads" {
// Only push branches of ref "heads"
continue
}
branch := strings.Join(refSplits[2:], "/")
repoPathSplits := strings.Split(workingDirectory, string(os.PathSeparator))
userName := repoPathSplits[len(repoPathSplits)-2]
repoName := repoPathSplits[len(repoPathSplits)-1]
repoName = repoName[0 : len(repoName)-4]
pr, err := models.GetUnmergedPullRequestByRepoPathAndHeadBranch(userName, repoName, branch)
if _, ok := err.(models.ErrPullRequestNotExist); ok {
// Nothing to do here if the branch has no Pull Request open
log.Printf("Skipping for %s/%s.git branch '%s'", userName, repoName, branch)
continue
} else if err != nil {
log.Fatal("Database operation failed: " + err.Error())
}
err = pr.BaseRepo.GetOwner()
if err != nil {
log.Fatal("Could not get owner data: " + err.Error())
}
prIdStr := strconv.FormatInt(pr.ID, 10)
tmpRemoteName := "tmp-pull-" + branch + "-" + prIdStr
remoteUrl := "../../" + pr.BaseRepo.Owner.LowerName + "/" + pr.BaseRepo.LowerName + ".git"
repo, err := git.OpenRepository(workingDirectory)
repo.AddRemote(tmpRemoteName, remoteUrl, false)
err = git.Push(workingDirectory, tmpRemoteName, branch+":"+"refs/pull/"+prIdStr+"/head")
if err != nil {
log.Fatal("Error pushing: " + err.Error())
}
err = repo.RemoveRemote(tmpRemoteName)
if err != nil {
log.Fatal("Error deleting temporary remote: " + err.Error())
}
}
}

View file

@ -35,6 +35,7 @@ func main() {
cmd.CmdUpdate,
cmd.CmdDump,
cmd.CmdCert,
cmd.CmdPull,
}
app.Flags = append(app.Flags, []cli.Flag{}...)
app.Run(os.Args)

View file

@ -5,6 +5,7 @@
package models
import (
"errors"
"fmt"
"os"
"path"
@ -395,6 +396,44 @@ func GetUnmergedPullRequestsByBaseInfo(repoID int64, branch string) ([]*PullRequ
Join("INNER", "issue", "issue.id=pull_request.issue_id").Find(&prs)
}
// Gets a Pull Request by the path of the forked repo and the branch from where the PR
// got submitted.
func GetUnmergedPullRequestByRepoPathAndHeadBranch(user, repo, branch string) (*PullRequest, error) {
userLower := strings.ToLower(user)
repoLower := strings.ToLower(repo)
pr := new(PullRequest)
if x == nil {
return nil, errors.New("Fail")
}
has, err := x.
Where("head_user_name=? AND head_branch=? AND has_merged=? AND issue.is_closed=? AND repository.lower_name=?", userLower, branch, 0, 0, repoLower).
Join("INNER", "repository", "repository.id=pull_request.head_repo_id").
Join("INNER", "issue", "issue.id=pull_request.issue_id").
Get(pr)
if err != nil {
return nil, err
} else if !has {
return nil, ErrPullRequestNotExist{0, 0, 0, 0, branch, ""}
}
baseRepo := new(Repository)
has, err = x.Where("repository.id=?", pr.BaseRepoID).
Join("LEFT", "user", "user.id=repository.owner_id").
Get(baseRepo)
if err != nil {
return nil, err
} else if !has {
return nil, ErrRepoNotExist{pr.BaseRepoID, 0, ""}
}
pr.BaseRepo = baseRepo
return pr, nil
}
// GetPullRequestByID returns a pull request by given ID.
func GetPullRequestByID(id int64) (*PullRequest, error) {
pr := new(PullRequest)

View file

@ -39,6 +39,7 @@ import (
const (
_TPL_UPDATE_HOOK = "#!/usr/bin/env %s\n%s update $1 $2 $3 --config='%s'\n"
_TPL_POST_RECEIVE_HOOK = "#!/usr/bin/env %s\n%s pull --path \"$(pwd)\"\n"
)
var (
@ -596,6 +597,11 @@ func createUpdateHook(repoPath string) error {
fmt.Sprintf(_TPL_UPDATE_HOOK, setting.ScriptType, "\""+setting.AppPath+"\"", setting.CustomConf))
}
func createPostReceiveHook(repoPath string) error {
return git.SetPostReceiveHook(repoPath,
fmt.Sprintf(_TPL_POST_RECEIVE_HOOK, setting.ScriptType, "\""+setting.AppPath+"\""))
}
type MigrateRepoOptions struct {
Name string
Description string
@ -818,6 +824,8 @@ func initRepository(e Engine, repoPath string, u *User, repo *Repository, opts C
return fmt.Errorf("InitRepository: %v", err)
} else if err = createUpdateHook(repoPath); err != nil {
return fmt.Errorf("createUpdateHook: %v", err)
} else if err = createPostReceiveHook(repoPath); err != nil {
return fmt.Errorf("createPostReceiveHook: %v", err)
}
tmpDir := filepath.Join(os.TempDir(), "gogs-"+repo.Name+"-"+com.ToStr(time.Now().Nanosecond()))
@ -1498,6 +1506,15 @@ func RewriteRepositoryUpdateHook() error {
})
}
// RewriteRepositoryPostReceiveHook rewrites all repositories' update hook.
func RewriteRepositoryPostReceiveHook() error {
return x.Where("id > 0").Iterate(new(Repository),
func(idx int, bean interface{}) error {
repo := bean.(*Repository)
return createPostReceiveHook(repo.RepoPath())
})
}
// statusPool represents a pool of status with true/false.
type statusPool struct {
lock sync.RWMutex
@ -2045,6 +2062,8 @@ func ForkRepository(u *User, oldRepo *Repository, name, desc string) (_ *Reposit
if err = createUpdateHook(repoPath); err != nil {
return nil, fmt.Errorf("createUpdateHook: %v", err)
} else if err = createPostReceiveHook(repoPath); err != nil {
return nil, fmt.Errorf("createPostReceiveHook: %v", err)
}
return repo, sess.Commit()