Replace all calls to os.Remove/os.RemoveAll by retrying util.Remove/util.RemoveAll and remove circular dependencies from util.

Fix #12339

Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: silverwind <me@silverwind.io>

* Cache PullRequest Divergence

* only re-calc divergence if AddTestPullRequestTask() is exec

* migrate already open pulls

* finalize

* take care of closed&not-merged+deleted-branch pull requests

* fix nil pointer exeption

Signed-off-by: 6543 <6543@obermui.de>

* try this

* no error its a warn

* init gitea-repositories-meta

* dont use gitDivergence type

* CI.restart()

* CI.restart()

* CI.restart()

* CI.restart()

* check IsUserAllowedToUpdate independend from CommitsBehind

* Test locking immediate for SQLite3

* fix url field separator

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: zeripath <art27@cantab.net>

* Remove migration support from versions earlier than 1.6.0

* Remove unused functions

* Update gogs upgrade instructions

* Improve "latest" link as per @jolheiser

Co-authored-by: Antoine GIRARD <sapk@users.noreply.github.com>
Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: Antoine GIRARD <sapk@users.noreply.github.com>

* Add support for database schema

* Require setting search_path for the db user

* Add schema setting to admin/config.tmpl

* Use a schema different from default for psql tests

* Update postgres scripts to use custom schema

* Update to xorm/core 0.7.3 and xorm/xorm c37aff9b3a

* Fix migration test

Co-authored-by: Antoine GIRARD <sapk@users.noreply.github.com>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

* Change graceful to use a singleton obtained through GetManager instead of a global.
* Graceful: Make TestPullRequests shutdownable
* Graceful: Make the cron tasks graceful
* Graceful: AddTestPullRequest run in graceful ctx
* Graceful: SyncMirrors shutdown
* Graceful: SetDefaultContext for Xorm to be HammerContext
* Avoid starting graceful for migrate commands and checkout
* Graceful: DeliverHooks now can be shutdown
* Fix multiple syncing errors in modules/sync/UniqueQueue &  Make UniqueQueue closable
* Begin the process of making the repo indexer shutdown gracefully

* Fix data race in testlogger

* Update git_helper_for_declarative_test.go

* move database settings from models to setting

* update docs

* fix checkout pr

* fix tests

* fix lint

* remove unsupported tidb options

* correct wrong variable name

* remove tidb totally

* Convert files to utf-8 for indexing

* Move utf8 functions to modules/base

* Bump repoIndexerLatestVersion to 3

* Add tests for base/encoding.go

* Changes to pass gosimple

* Move UTF8 funcs into new modules/charset package

* Fix dropTableColumns sqlite implementation

* use droptables and its index dropping support in v78 and v85

* golang-ci fixes

* Add migration from gitea 1.3.3 for sqlite which reveals the droptables bug - thus showing this works

* New driver does not tolerate USE - handle this by closing db and reopening db in the new dbname

* Rename BaseLogger to WriterLogger to help the creation of other providers

* Don't export ColorBytes and ResetBytes from ColoredValues

* Make integration tests only print logs if they fail

* check can color before coloring

* I always forget about MSSQL

* Oh and use LEVEL in sqlite.ini

* Make the test logger log at info - as it means you see the router

* Remove empty expected changes

* Make the migrations quieter too

* Don't display SQL on error - it can be looked at in the file logs if necessary

* Fix skip when using onGiteaRun

* Add migration test

This commit adds a simple migration test for v1.5.3, v1.6.4 and v1.7.0-rc3

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

* Automigrate based on available dbs

* remove old ini file

* Standardise the dialect names