$ git clone -n https://src.fedoraproject.org/rpms/python-sqlalchemy-collectd.git /var/lib/mock/f41-build-1287233-23295/root/chroot_tmpdir/scmroot/python-sqlalchemy-collectd
Cloning into '/var/lib/mock/f41-build-1287233-23295/root/chroot_tmpdir/scmroot/python-sqlalchemy-collectd'...
$ git fetch origin f5e8acfb9321c671265d912581cdd84295948752:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sqlalchemy-collectd
 * [new ref]         f5e8acfb9321c671265d912581cdd84295948752 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f5e8acf upgrade to 0.8