* Some refactors related repository model
* Move more methods out of repository
* Move repository into models/repo
* Fix test
* Fix test
* some improvements
* Remove unnecessary function
- This will only allow `GetDeletedBranchByID` to return deletedBranch
which are on the repo, and thus don't return a deletedBranch from
another repo.
- This just should prevent possible bugs in the futher when a code is
passing the wrong ID into this function.
- Update default branch if needed
- Update protected branch if needed
- Update all not merged pull request base branch name
- Rename git branch
- Record this rename work and auto redirect for old branch on ui
Signed-off-by: a1012112796 <1012112796@qq.com>
Co-authored-by: delvh <dev.lh@web.de>
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