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make PR workflow helpers more robust (#300)
improve handling of remote deleted branches split git.TeaDeleteBranch only delete remote branch if we have permission add missing err check Co-authored-by: Norwin Roosen <git@nroo.de> Reviewed-on: https://gitea.com/gitea/tea/pulls/300 Reviewed-by: 6543 <6543@obermui.de> Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com> Co-Authored-By: Norwin <noerw@noreply.gitea.io> Co-Committed-By: Norwin <noerw@noreply.gitea.io>
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@ -47,33 +47,28 @@ func (r TeaRepo) TeaCheckout(branchName string) error {
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return tree.Checkout(&git.CheckoutOptions{Branch: localBranchRefName})
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}
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// TeaDeleteBranch removes the given branch locally, and if `remoteBranch` is
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// not empty deletes it at it's remote repo.
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func (r TeaRepo) TeaDeleteBranch(branch *git_config.Branch, remoteBranch string, auth git_transport.AuthMethod) error {
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// TeaDeleteLocalBranch removes the given branch locally
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func (r TeaRepo) TeaDeleteLocalBranch(branch *git_config.Branch) error {
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err := r.DeleteBranch(branch.Name)
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// if the branch is not found that's ok, as .git/config may have no entry if
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// no remote tracking branch is configured for it (eg push without -u flag)
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if err != nil && err.Error() != "branch not found" {
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return err
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}
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err = r.Storer.RemoveReference(git_plumbing.NewBranchReferenceName(branch.Name))
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if err != nil {
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return err
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}
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return r.Storer.RemoveReference(git_plumbing.NewBranchReferenceName(branch.Name))
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}
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if remoteBranch != "" {
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// delete remote branch via git protocol:
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// an empty source in the refspec means remote deletion to git 🙃
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refspec := fmt.Sprintf(":%s", git_plumbing.NewBranchReferenceName(remoteBranch))
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err = r.Push(&git.PushOptions{
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RemoteName: branch.Remote,
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RefSpecs: []git_config.RefSpec{git_config.RefSpec(refspec)},
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Prune: true,
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Auth: auth,
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})
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}
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return err
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// TeaDeleteRemoteBranch removes the given branch on the given remote via git protocol
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func (r TeaRepo) TeaDeleteRemoteBranch(remoteName, remoteBranch string, auth git_transport.AuthMethod) error {
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// delete remote branch via git protocol:
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// an empty source in the refspec means remote deletion to git 🙃
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refspec := fmt.Sprintf(":%s", git_plumbing.NewBranchReferenceName(remoteBranch))
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return r.Push(&git.PushOptions{
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RemoteName: remoteName,
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RefSpecs: []git_config.RefSpec{git_config.RefSpec(refspec)},
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Prune: true,
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Auth: auth,
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})
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}
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// TeaFindBranchBySha returns a branch that is at the the given SHA and syncs to the
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@ -27,6 +27,10 @@ func PullCheckout(login *config.Login, repoOwner, repoName string, index int64,
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if err != nil {
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return err
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}
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remoteDeleted := pr.Head.Ref == fmt.Sprintf("refs/pull/%d/head", pr.Index)
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if remoteDeleted {
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return fmt.Errorf("Can't checkout: remote head branch was already deleted")
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}
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remoteURL := pr.Head.Repository.CloneURL
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if len(login.SSHKey) != 0 {
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@ -19,6 +19,9 @@ func PullClean(login *config.Login, repoOwner, repoName string, index int64, ign
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client := login.Client()
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repo, _, err := client.GetRepo(repoOwner, repoName)
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if err != nil {
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return err
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}
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defaultBranch := repo.DefaultBranch
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if len(defaultBranch) == 0 {
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defaultBranch = "master"
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@ -33,7 +36,13 @@ func PullClean(login *config.Login, repoOwner, repoName string, index int64, ign
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return fmt.Errorf("PR is still open, won't delete branches")
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}
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// IDEA: abort if PR.Head.Repository.CloneURL does not match login.URL?
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// if remote head branch is already deleted, pr.Head.Ref points to "pulls/<idx>/head"
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remoteBranch := pr.Head.Ref
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remoteDeleted := remoteBranch == fmt.Sprintf("refs/pull/%d/head", pr.Index)
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if remoteDeleted {
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remoteBranch = pr.Head.Name // this still holds the original branch name
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fmt.Printf("Remote branch '%s' already deleted.\n", remoteBranch)
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}
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r, err := local_git.RepoForWorkdir()
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if err != nil {
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@ -43,7 +52,7 @@ func PullClean(login *config.Login, repoOwner, repoName string, index int64, ign
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// find a branch with matching sha or name, that has a remote matching the repo url
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var branch *git_config.Branch
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if ignoreSHA {
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branch, err = r.TeaFindBranchByName(pr.Head.Ref, pr.Head.Repository.CloneURL)
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branch, err = r.TeaFindBranchByName(remoteBranch, pr.Head.Repository.CloneURL)
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} else {
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branch, err = r.TeaFindBranchBySha(pr.Head.Sha, pr.Head.Repository.CloneURL)
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}
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@ -52,12 +61,12 @@ func PullClean(login *config.Login, repoOwner, repoName string, index int64, ign
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}
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if branch == nil {
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if ignoreSHA {
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return fmt.Errorf("Remote branch %s not found in local repo", pr.Head.Ref)
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return fmt.Errorf("Remote branch %s not found in local repo", remoteBranch)
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}
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return fmt.Errorf(`Remote branch %s not found in local repo.
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Either you don't track this PR, or the local branch has diverged from the remote.
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If you still want to continue & are sure you don't loose any important commits,
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call me again with the --ignore-sha flag`, pr.Head.Ref)
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call me again with the --ignore-sha flag`, remoteBranch)
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}
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// prepare deletion of local branch:
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@ -73,14 +82,23 @@ call me again with the --ignore-sha flag`, pr.Head.Ref)
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}
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// remove local & remote branch
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fmt.Printf("Deleting local branch %s and remote branch %s\n", branch.Name, pr.Head.Ref)
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url, err := r.TeaRemoteURL(branch.Remote)
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fmt.Printf("Deleting local branch %s\n", branch.Name)
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err = r.TeaDeleteLocalBranch(branch)
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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.Token, login.SSHKey, callback)
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if err != nil {
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return err
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if !remoteDeleted && pr.Head.Repository.Permissions.Push {
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fmt.Printf("Deleting remote branch %s\n", remoteBranch)
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url, err := r.TeaRemoteURL(branch.Remote)
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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.Token, login.SSHKey, callback)
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if err != nil {
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return err
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}
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err = r.TeaDeleteRemoteBranch(branch.Remote, remoteBranch, auth)
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}
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return r.TeaDeleteBranch(branch, pr.Head.Ref, auth)
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return err
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}
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