116 lines
3.3 KiB
Go
116 lines
3.3 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package pulls
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import (
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"fmt"
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"log"
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"code.gitea.io/tea/cmd/flags"
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"code.gitea.io/tea/modules/config"
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local_git "code.gitea.io/tea/modules/git"
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"code.gitea.io/tea/modules/utils"
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"code.gitea.io/sdk/gitea"
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"github.com/go-git/go-git/v5"
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"github.com/urfave/cli/v2"
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)
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// CmdPullsCheckout is a command to locally checkout the given PR
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var CmdPullsCheckout = cli.Command{
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Name: "checkout",
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Usage: "Locally check out the given PR",
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Description: `Locally check out the given PR`,
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Action: runPullsCheckout,
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ArgsUsage: "<pull index>",
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Flags: flags.AllDefaultFlags,
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}
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func runPullsCheckout(ctx *cli.Context) error {
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login, owner, repo := config.InitCommand(flags.GlobalRepoValue, flags.GlobalLoginValue, flags.GlobalRemoteValue)
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if ctx.Args().Len() != 1 {
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log.Fatal("Must specify a PR index")
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}
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idx, err := utils.ArgToIndex(ctx.Args().First())
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if err != nil {
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return err
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}
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localRepo, err := local_git.RepoForWorkdir()
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if err != nil {
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return err
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}
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localBranchName, remoteBranchName, newRemoteName, remoteURL, err :=
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gitConfigForPR(localRepo, login, owner, repo, idx)
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if err != nil {
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return err
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}
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// verify related remote is in local repo, otherwise add it
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localRemote, err := localRepo.GetOrCreateRemote(remoteURL, newRemoteName)
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if err != nil {
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return err
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}
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localRemoteName := localRemote.Config().Name
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// get auth & fetch remote
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fmt.Printf("Fetching PR %v (head %s:%s) from remote '%s'\n",
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idx, remoteURL, remoteBranchName, localRemoteName)
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url, err := local_git.ParseURL(remoteURL)
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if err != nil {
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return err
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}
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auth, err := local_git.GetAuthForURL(url, login.User, login.SSHKey)
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if err != nil {
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return err
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}
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err = localRemote.Fetch(&git.FetchOptions{Auth: auth})
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if err == git.NoErrAlreadyUpToDate {
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fmt.Println(err)
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} else if err != nil {
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return err
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}
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// checkout local branch
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fmt.Printf("Creating branch '%s'\n", localBranchName)
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err = localRepo.TeaCreateBranch(localBranchName, remoteBranchName, localRemoteName)
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if err == git.ErrBranchExists {
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fmt.Println("There may be changes since you last checked out, run `git pull` to get them.")
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} else if err != nil {
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return err
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}
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return localRepo.TeaCheckout(localBranchName)
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}
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func gitConfigForPR(repo *local_git.TeaRepo, login *config.Login, owner, repoName string, idx int64) (localBranch, remoteBranch, remoteName, remoteURL string, err error) {
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// fetch PR source-repo & -branch from gitea
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pr, _, err := login.Client().GetPullRequest(owner, repoName, idx)
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if err != nil {
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return
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}
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// test if we can pull via SSH, and configure git remote accordingly
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remoteURL = pr.Head.Repository.CloneURL
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keys, _, err := login.Client().ListMyPublicKeys(gitea.ListPublicKeysOptions{})
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if err != nil {
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return
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}
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if len(keys) != 0 {
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remoteURL = pr.Head.Repository.SSHURL
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}
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// try to find a matching existing branch, otherwise return branch in pulls/ namespace
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localBranch = fmt.Sprintf("pulls/%v-%v", idx, pr.Head.Ref)
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if b, _ := repo.TeaFindBranchBySha(pr.Head.Sha, remoteURL); b != nil {
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localBranch = b.Name
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}
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remoteBranch = pr.Head.Ref
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remoteName = fmt.Sprintf("pulls/%v", pr.Head.Repository.Owner.UserName)
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return
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}
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