add help page for gitlab specific rake tasks

doc/raketasks/maintenance.md

@@ -0,0 +1,82 @@
+### Setup production application
+
+Runs the following rake tasks:
+
+* db:setup (Create the database, load the schema, and initialize with the seed data)
+* db:seed_fu (Loads seed data for the current environment.)
+* gitlab:app:enable_automerge (see "Features")
+
+```
+bundle exec rake gitlab:app:setup
+```
+
+
+### Check GitLab installation status
+
+[Trouble-Shooting-Guide](https://github.com/gitlabhq/gitlab-public-wiki/wiki/Trouble-Shooting-Guide)
+
+```
+bundle exec rake gitlab:app:status
+```
+
+Example output:
+
+```
+config/database.yml............exists
+config/gitlab.yml............exists
+/home/git/repositories/............exists
+/home/git/repositories/ is writable?............YES
+Can clone gitolite-admin?............YES
+Can git commit?............YES
+UMASK for .gitolite.rc is 0007? ............YES
+/home/git/.gitolite/hooks/common/post-receive exists? ............YES
+
+Validating projects repositories:
+* abcd.....post-receive file ok
+* abcdtest.....post-receive file missing
+
+Finished
+
+```
+
+
+### Rebuild each key at gitolite config
+
+This will send all users ssh public keys to gitolite and grant them access (based on their permission) to their projects.
+
+```
+bundle exec rake gitlab:gitolite:update_keys
+```
+
+
+### Rebuild each project at gitolite config
+
+This makes sure that all projects are present in gitolite and can be accessed.
+
+```
+bundle exec rake gitlab:gitolite:update_repos
+```
+
+### Import bare repositories into GitLab project instance
+
+Notes:
+
+* project owner will be a first admin
+* existing projects will be skipped
+
+How to use:
+
+1. copy your bare repos under git base_path (see `config/gitlab.yml` git_host -> base_path)
+2. run the command below
+
+```
+bundle exec rake gitlab:import:repos RAILS_ENV=production
+```
+
+Example output:
+
+```
+Processing abcd.git
+ * Created abcd (abcd.git)
+[...]
+```