forkjo/cmd/pull.go

100 lines
2.7 KiB
Go

// 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())
}
}
}