A command line tool to interact with Gitea servers
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// Copyright 2020 The Gitea 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 task
import (
"fmt"
"code.gitea.io/tea/modules/config"
local_git "code.gitea.io/tea/modules/git"
"github.com/go-git/go-git/v5"
)
// PullCheckout checkout current workdir to the head branch of specified pull request
func PullCheckout(login *config.Login, repoOwner, repoName string, index int64, callback func(string) (string, error)) error {
client := login.Client()
localRepo, err := local_git.RepoForWorkdir()
if err != nil {
return err
}
// fetch PR source-localRepo & -branch from gitea
pr, _, err := client.GetPullRequest(repoOwner, repoName, index)
if err != nil {
return err
}
remoteURL := pr.Head.Repository.CloneURL
if len(login.SSHKey) != 0 {
// login.SSHKey is nonempty, if user specified a key manually or we automatically
// found a matching private key on this machine during login creation.
// this means, we are very likely to have a working ssh setup.
remoteURL = pr.Head.Repository.SSHURL
}
// try to find a matching existing branch, otherwise return branch in pulls/ namespace
localBranchName := fmt.Sprintf("pulls/%v-%v", index, pr.Head.Ref)
if b, _ := localRepo.TeaFindBranchBySha(pr.Head.Sha, remoteURL); b != nil {
localBranchName = b.Name
}
newRemoteName := fmt.Sprintf("pulls/%v", pr.Head.Repository.Owner.UserName)
// verify related remote is in local repo, otherwise add it
localRemote, err := localRepo.GetOrCreateRemote(remoteURL, newRemoteName)
if err != nil {
return err
}
localRemoteName := localRemote.Config().Name
// get auth & fetch remote via its configured protocol
url, err := localRepo.TeaRemoteURL(localRemoteName)
if err != nil {
return err
}
auth, err := local_git.GetAuthForURL(url, login.Token, login.SSHKey, callback)
if err != nil {
return err
}
fmt.Printf("Fetching PR %v (head %s:%s) from remote '%s'\n", index, url, pr.Head.Ref, localRemoteName)
err = localRemote.Fetch(&git.FetchOptions{Auth: auth})
if err == git.NoErrAlreadyUpToDate {
fmt.Println(err)
} else if err != nil {
return err
}
// checkout local branch
err = localRepo.TeaCreateBranch(localBranchName, pr.Head.Ref, localRemoteName)
if err == nil {
fmt.Printf("Created branch '%s'\n", localBranchName)
} else if err == git.ErrBranchExists {
fmt.Println("There may be changes since you last checked out, run `git pull` to get them.")
} else if err != nil {
return err
}
return localRepo.TeaCheckout(localBranchName)
}