This wraps 'git init' with a few extra steps to support subsequent
status and commit commands.
"""
- _spawn(args=['git', '--git-dir', NOTMUCH_GIT_DIR, 'init', '--bare'], wait=True)
+ _spawn(args=['git', '--git-dir', NOTMUCH_GIT_DIR, 'init',
+ '--initial-branch=master', '--quiet', '--bare'], wait=True)
_git(args=['config', 'core.logallrefupdates', 'true'], wait=True)
# create an empty blob (e69de29bb2d1d6434b8b29ae775ad8c2e48c5391)
_git(args=['hash-object', '-w', '--stdin'], input='', wait=True)