The xorm `Sync2` has already been deprecated in favor of `Sync`,
so let's do the same inside the Gitea codebase.
Command used to replace everything:
```sh
for i in $(ag Sync2 --files-with-matches); do vim $i -c ':%sno/Sync2/Sync/g' -c ':wq'; done
```
Change all license headers to comply with REUSE specification.
Fix#16132
Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github>
Co-authored-by: John Olheiser <john.olheiser@gmail.com>
* refuse merge until ci successfully
* deny merge request when required status checkes not succeed on merge Post and API
* add database migration for added columns on protected_branch
* fix migration
* fix protected branch check bug
* fix protected branch settings
* remove duplicated code on check pull request's required commit statuses pass
* remove unused codes
* fix migration
* add newline for template file
* fix go mod
* rename function name and some other fixes
* fix template
* fix bug pull view
* remove go1.12 wrong dependencies
* add administrator bypass when protected branch status check enabled
* fix bug
* improve the codes
delvh
flynnnnnnnnnn
Lunny Xiao