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Mads Kiilerich

git: introduce test_push_new_repo_git to reproduce a hook crash when pushing to empty repos

The crash will be fixed by a later changeset.

Reported on https://bitbucket.org/conservancy/kallithea/issues/323/git-hook-error-on-push-of-first-commit

remote: Traceback (most recent call last):
remote: File "hooks/post-receive", line 36, in <module>
remote: main()
remote: File "hooks/post-receive", line 32, in main
remote: sys.exit(kallithea.lib.hooks.handle_git_post_receive(repo_path, git_stdin_lines))
remote: File "kallithea/lib/hooks.py", line 453, in handle_git_post_receive
remote: git_revs += scm_repo.run_git_command(cmd)[0].splitlines()
remote: File "kallithea/lib/vcs/backends/git/repository.py", line 164, in run_git_command
remote: return self._run_git_command(cmd, **opts)
remote: File "kallithea/lib/vcs/backends/git/repository.py", line 151, in _run_git_command
remote: raise RepositoryError(tb_err)
remote: kallithea.lib.vcs.exceptions.RepositoryError: Couldn't run git command (['git', '-c', 'core.quotepath=false', 'log', 'b991c8d9ae7e66e165fc5eeb297c6843d21915e0', '--reverse', '--pretty=format:%H', '--not', '']).
remote: Original error was:Subprocess exited due to an error:
remote: fatal: ambiguous argument '': unknown revision or path not in the working tree.
remote:
To http://127.0.0.1:44433/new_git_DHAsQQ
* [new branch] master -> master

.. _locking:

==================
Repository locking
==================

Kallithea has a *repository locking* feature, disabled by default. When
enabled, every initial clone and every pull gives users (with write permission)
the exclusive right to do a push.

When repository locking is enabled, repositories get a ``locked`` flag.
The hg/git commands ``hg/git clone``, ``hg/git pull``,
and ``hg/git push`` influence this state:

- A ``clone`` or ``pull`` action locks the target repository
  if the user has write/admin permissions on this repository.

- Kallithea will remember the user who locked the repository so only this
  specific user can unlock the repo by performing a ``push``
  command.

- Every other command on a locked repository from this user and every command
  from any other user will result in an HTTP return code 423 (Locked).
  Additionally, the HTTP error will mention the user that locked the repository
  (e.g., “repository <repo> locked by user <user>”).

Each repository can be manually unlocked by an administrator from the
repository settings menu.