* move all database operations from hook command to web command and instead of internal routes
* bug fixed
* adjust the import path sequences
* remove unused return value on hookSetup
* Implementation of the feature to view repository size in admin panel
* Move GetRepoSize to git module
* Repository.RepoSize -> Repository.Size
* RepoSize -> Size in template
* Redo a few bits and pieces
* Update size when syncing mirror or forking
* Remove GetRepoSize
* Changed fatal errors to error message
* Copy migration code from Gogs
* make fmt
* move all push update to git hook post-receive and protected branch check to git hook pre-receive
* add SSH_ORIGINAL_COMMAND check back
* remove all unused codes
* fix the import
This change corrects a few logging issues:
* Standardized formatting errors with '%v'.
* Standardized failure warning word usage.
* Corrected an instance of using the standard log library when
the gitea log library should be used instead.
Remove the possibility of using email as user name when user actually push
through combination of email and password with HTTP.
Also refactor update action function to replcae tons of arguments with
single PushUpdateOptions struct.
And define the user who pushes code as pusher, therefore variable names shouldn't
be confusing any more.