Add push to remote mirror repository (#15157)

* Added push mirror model.

* Integrated push mirror into queue.

* Moved methods into own file.

* Added basic implementation.

* Mirror wiki too.

* Removed duplicated method.

* Get url for different remotes.

* Added migration.

* Unified remote url access.

* Add/Remove push mirror remotes.

* Prevent hangs with missing credentials.

* Moved code between files.

* Changed sanitizer interface.

* Added push mirror backend methods.

* Only update the mirror remote.

* Limit refs on push.

* Added UI part.

* Added missing table.

* Delete mirror if repository gets removed.

* Changed signature. Handle object errors.

* Added upload method.

* Added "upload" unit tests.

* Added transfer adapter unit tests.

* Send correct headers.

* Added pushing of LFS objects.

* Added more logging.

* Simpler body handling.

* Process files in batches to reduce HTTP calls.

* Added created timestamp.

* Fixed invalid column name.

* Changed name to prevent xorm auto setting.

* Remove table header im empty.

* Strip exit code from error message.

* Added docs page about mirroring.

* Fixed date.

* Fixed merge errors.

* Moved test to integrations.

* Added push mirror test.

* Added test.

options/locale/locale_en-US.ini

@@ -91,8 +91,11 @@ loading = Loading…
 step1 = Step 1:
 step2 = Step 2:
 
+error = Error
 error404 = The page you are trying to reach either <strong>does not exist</strong> or <strong>you are not authorized</strong> to view it.
 
+never = Never
+
 [error]
 occurred = An error has occurred
 report_message = If you are sure this is a Gitea bug, please search for issue on <a href="https://github.com/go-gitea/gitea/issues">GitHub</a> and open new issue if necessary.
@@ -724,7 +727,7 @@ mirror_prune_desc = Remove obsolete remote-tracking references
 mirror_interval = Mirror Interval (valid time units are 'h', 'm', 's'). 0 to disable automatic sync.
 mirror_interval_invalid = The mirror interval is not valid.
 mirror_address = Clone From URL
-mirror_address_desc = Put any required credentials in the Clone Authorization section.
+mirror_address_desc = Put any required credentials in the Authorization section.
 mirror_address_url_invalid = The provided url is invalid. You must escape all components of the url correctly.
 mirror_address_protocol_invalid = The provided url is invalid. Only http(s):// or git:// locations can be mirrored from.
 mirror_lfs = Large File Storage (LFS)
@@ -787,7 +790,7 @@ form.reach_limit_of_creation_n = You have already reached your limit of %d repos
 form.name_reserved = The repository name '%s' is reserved.
 form.name_pattern_not_allowed = The pattern '%s' is not allowed in a repository name.
 
-need_auth = Clone Authorization
+need_auth = Authorization
 migrate_options = Migration Options
 migrate_service = Migration Service
 migrate_options_mirror_helper = This repository will be a <span class="text blue">mirror</span>
@@ -1548,6 +1551,15 @@ settings.hooks = Webhooks
 settings.githooks = Git Hooks
 settings.basic_settings = Basic Settings
 settings.mirror_settings = Mirror Settings
+settings.mirror_settings.docs = Set up your project to automatically push and/or pull changes to/from another repository. Branches, tags, and commits will be synced automatically. <a target="_blank" rel="noopener noreferrer" href="https://docs.gitea.io/en-us/repo-mirror/">How do I mirror repositories?</a>
+settings.mirror_settings.mirrored_repository = Mirrored repository
+settings.mirror_settings.direction = Direction
+settings.mirror_settings.direction.pull = Pull
+settings.mirror_settings.direction.push = Push
+settings.mirror_settings.last_update = Last update
+settings.mirror_settings.push_mirror.none = No push mirrors configured
+settings.mirror_settings.push_mirror.remote_url = Git Remote Repository URL
+settings.mirror_settings.push_mirror.add = Add Push Mirror
 settings.sync_mirror = Synchronize Now
 settings.mirror_sync_in_progress = Mirror synchronization is in progress. Check back in a minute.
 settings.email_notifications.enable = Enable Email Notifications