gitea/models/pull
Lunny Xiao 39d51e7c82
Automerge supports deleting branch automatically after merging ()
Resolve  
~Depends on #27151~

- [x] It will display a checkbox of deleting the head branch on the pull
request view page when starting an auto-merge task.
- [x] Add permission check before deleting the branch
- [x] Add delete branch comment for those closing pull requests because
of head branch or base branch was deleted.
- [x] Merge `RetargetChildrenOnMerge` and `AddDeletePRBranchComment`
into `service.DeleteBranch`.
..
automerge.go Automerge supports deleting branch automatically after merging ()
review_state.go Add support for sha256 repositories ()