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Add agit flow support in gitea (#14295)

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* feature: add agit flow support

ref: https://git-repo.info/en/2020/03/agit-flow-and-git-repo/

example:

```Bash
git checkout -b test
echo "test" >> README.md
git commit -m "test"
git push origin HEAD:refs/for/master -o topic=test
```

Signed-off-by: a1012112796 <1012112796@qq.com>

* fix lint

* simplify code add fix some nits

* update merge help message

* Apply suggestions from code review. Thanks @jiangxin

* add forced-update message

* fix lint

* splite writePktLine

* add refs/for/<target-branch>/<topic-branch> support also

* Add test code add fix api

* fix lint

* fix test

* skip test if git version < 2.29

* try test with git 2.30.1

* fix permission check bug

* fix some nit

* logic implify and test code update

* fix bug

* apply suggestions from code review

* prepare for merge

Signed-off-by: Andrew Thornton <art27@cantab.net>

* fix permission check bug

- test code update
- apply suggestions from code review @zeripath

Signed-off-by: a1012112796 <1012112796@qq.com>

* fix bug when target branch isn't exist

* prevent some special push and fix some nits

* fix lint

* try splite

* Apply suggestions from code review

- fix permission check
- handle user rename

* fix version negotiation

* remane

* fix template

* handle empty repo

* ui: fix  branch link under the title

* fix nits

Co-authored-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
This commit is contained in:
a1012112796 2021-07-28 17:42:56 +08:00 • committed by GitHub
parent 5b2e2d29ca
commit 3705168837
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
30 changed files with 1334 additions and 32 deletions
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62
services/pull/pull.go
View file

@ -49,7 +49,12 @@ func NewPullRequest(repo *models.Repository, pull *models.Issue, labelIDs []int6
pr.Issue = pull
pull.PullRequest = pr
if err := PushToBaseRepo(pr); err != nil {
if pr.Flow == models.PullRequestFlowGithub {
err = PushToBaseRepo(pr)
} else {
err = UpdateRef(pr)
}
if err != nil {
return err
}
@ -145,7 +150,7 @@ func ChangeTargetBranch(pr *models.PullRequest, doer *models.User, targetBranch
}
// Check if pull request for the new target branch already exists
existingPr, err := models.GetUnmergedPullRequest(pr.HeadRepoID, pr.BaseRepoID, pr.HeadBranch, targetBranch)
existingPr, err := models.GetUnmergedPullRequest(pr.HeadRepoID, pr.BaseRepoID, pr.HeadBranch, targetBranch, models.PullRequestFlowGithub)
if existingPr != nil {
return models.ErrPullRequestAlreadyExists{
ID: existingPr.ID,
@ -281,8 +286,12 @@ func AddTestPullRequestTask(doer *models.User, repoID int64, branch string, isSy
for _, pr := range prs {
log.Trace("Updating PR[%d]: composing new test task", pr.ID)
if err := PushToBaseRepo(pr); err != nil {
log.Error("PushToBaseRepo: %v", err)
if pr.Flow == models.PullRequestFlowGithub {
if err := PushToBaseRepo(pr); err != nil {
log.Error("PushToBaseRepo: %v", err)
continue
}
} else {
continue
}
@ -451,6 +460,22 @@ func pushToBaseRepoHelper(pr *models.PullRequest, prefixHeadBranch string) (err
return nil
}
// UpdateRef update refs/pull/id/head directly for agit flow pull request
func UpdateRef(pr *models.PullRequest) (err error) {
log.Trace("UpdateRef[%d]: upgate pull request ref in base repo '%s'", pr.ID, pr.GetGitRefName())
if err := pr.LoadBaseRepo(); err != nil {
log.Error("Unable to load base repository for PR[%d] Error: %v", pr.ID, err)
return err
}
_, err = git.NewCommand("update-ref", pr.GetGitRefName(), pr.HeadCommitID).RunInDir(pr.BaseRepo.RepoPath())
if err != nil {
log.Error("Unable to update ref in base repository for PR[%d] Error: %v", pr.ID, err)
}
return err
}
type errlist []error
func (errs errlist) Error() string {
@ -562,7 +587,17 @@ func GetSquashMergeCommitMessages(pr *models.PullRequest) string {
}
defer gitRepo.Close()
headCommit, err := gitRepo.GetBranchCommit(pr.HeadBranch)
var headCommit *git.Commit
if pr.Flow == models.PullRequestFlowGithub {
headCommit, err = gitRepo.GetBranchCommit(pr.HeadBranch)
} else {
pr.HeadCommitID, err = gitRepo.GetRefCommitID(pr.GetGitRefName())
if err != nil {
log.Error("Unable to get head commit: %s Error: %v", pr.GetGitRefName(), err)
return ""
}
headCommit, err = gitRepo.GetCommit(pr.HeadCommitID)
}
if err != nil {
log.Error("Unable to get head commit: %s Error: %v", pr.HeadBranch, err)
return ""
@ -781,9 +816,20 @@ func IsHeadEqualWithBranch(pr *models.PullRequest, branchName string) (bool, err
}
defer headGitRepo.Close()
headCommit, err := headGitRepo.GetBranchCommit(pr.HeadBranch)
if err != nil {
return false, err
var headCommit *git.Commit
if pr.Flow == models.PullRequestFlowGithub {
headCommit, err = headGitRepo.GetBranchCommit(pr.HeadBranch)
if err != nil {
return false, err
}
} else {
pr.HeadCommitID, err = baseGitRepo.GetRefCommitID(pr.GetGitRefName())
if err != nil {
return false, err
}
if headCommit, err = baseGitRepo.GetCommit(pr.HeadCommitID); err != nil {
return false, err
}
}
return baseCommit.HasPreviousCommit(headCommit.ID)
}