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tea/modules/task/pull_clean.go

111 lines
3.1 KiB
Go

// Copyright 2020 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package task
import (
"fmt"
"code.gitea.io/tea/modules/config"
local_git "code.gitea.io/tea/modules/git"
"code.gitea.io/tea/modules/workaround"
"code.gitea.io/sdk/gitea"
git_config "github.com/go-git/go-git/v5/config"
git_plumbing "github.com/go-git/go-git/v5/plumbing"
)
// PullClean deletes local & remote feature-branches for a closed pull
func PullClean(login *config.Login, repoOwner, repoName string, index int64, ignoreSHA bool, callback func(string) (string, error)) error {
client := login.Client()
repo, _, err := client.GetRepo(repoOwner, repoName)
if err != nil {
return err
}
defaultBranch := repo.DefaultBranch
if len(defaultBranch) == 0 {
defaultBranch = "master"
}
// fetch PR source-repo & -branch from gitea
pr, _, err := client.GetPullRequest(repoOwner, repoName, index)
if err != nil {
return err
}
if err := workaround.FixPullHeadSha(client, pr); err != nil {
return err
}
if pr.State == gitea.StateOpen {
return fmt.Errorf("PR is still open, won't delete branches")
}
// if remote head branch is already deleted, pr.Head.Ref points to "pulls/<idx>/head"
remoteBranch := pr.Head.Ref
remoteDeleted := remoteBranch == fmt.Sprintf("refs/pull/%d/head", pr.Index)
if remoteDeleted {
remoteBranch = pr.Head.Name // this still holds the original branch name
fmt.Printf("Remote branch '%s' already deleted.\n", remoteBranch)
}
r, err := local_git.RepoForWorkdir()
if err != nil {
return err
}
// find a branch with matching sha or name, that has a remote matching the repo url
var branch *git_config.Branch
if ignoreSHA {
branch, err = r.TeaFindBranchByName(remoteBranch, pr.Head.Repository.CloneURL)
} else {
branch, err = r.TeaFindBranchBySha(pr.Head.Sha, pr.Head.Repository.CloneURL)
}
if err != nil {
return err
}
if branch == nil {
if ignoreSHA {
return fmt.Errorf("Remote branch %s not found in local repo", remoteBranch)
}
return fmt.Errorf(`Remote branch %s not found in local repo.
Either you don't track this PR, or the local branch has diverged from the remote.
If you still want to continue & are sure you don't loose any important commits,
call me again with the --ignore-sha flag`, remoteBranch)
}
// prepare deletion of local branch:
headRef, err := r.Head()
if err != nil {
return err
}
if headRef.Name().Short() == branch.Name {
fmt.Printf("Checking out '%s' to delete local branch '%s'\n", defaultBranch, branch.Name)
ref := git_plumbing.NewBranchReferenceName(defaultBranch)
if err = r.TeaCheckout(ref); err != nil {
return err
}
}
// remove local & remote branch
fmt.Printf("Deleting local branch %s\n", branch.Name)
err = r.TeaDeleteLocalBranch(branch)
if err != nil {
return err
}
if !remoteDeleted && pr.Head.Repository.Permissions.Push {
fmt.Printf("Deleting remote branch %s\n", remoteBranch)
url, err := r.TeaRemoteURL(branch.Remote)
if err != nil {
return err
}
auth, err := local_git.GetAuthForURL(url, login.Token, login.SSHKey, callback)
if err != nil {
return err
}
err = r.TeaDeleteRemoteBranch(branch.Remote, remoteBranch, auth)
}
return err
}