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Move database operations of merging a pull request to post receive hook and add a transaction (#30805) (#30888)

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Backport #30805 by @lunny

Merging PR may fail because of various problems. The pull request may
have a dirty state because there is no transaction when merging a pull
request. ref
https://github.com/go-gitea/gitea/pull/25741#issuecomment-2074126393

This PR moves all database update operations to post-receive handler for
merging a pull request and having a database transaction. That means if
database operations fail, then the git merging will fail, the git client
will get a fail result.

There are already many tests for pull request merging, so we don't need
to add a new one.

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
Giteabot 2024-05-08 22:17:18 +08:00 • committed by GitHub
parent d4c2db39bf
commit ec3f5f9992
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8 changed files with 150 additions and 19 deletions
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3
services/pull/update.go
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@ -15,6 +15,7 @@ import (
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/repository"
)
// Update updates pull request with base branch.
@ -72,7 +73,7 @@ func Update(ctx context.Context, pr *issues_model.PullRequest, doer *user_model.
BaseBranch: pr.HeadBranch,
}
_, err = doMergeAndPush(ctx, reversePR, doer, repo_model.MergeStyleMerge, "", message)
_, err = doMergeAndPush(ctx, reversePR, doer, repo_model.MergeStyleMerge, "", message, repository.PushTriggerPRUpdateWithBase)
defer func() {
go AddTestPullRequestTask(doer, reversePR.HeadRepo.ID, reversePR.HeadBranch, false, "", "")