$ git clone -n https://src.fedoraproject.org/forks/gui1ty/rpms/python-ephyviewer.git /var/lib/mock/f43-build-59013877-6570219/root/chroot_tmpdir/scmroot/python-ephyviewer
Cloning into '/var/lib/mock/f43-build-59013877-6570219/root/chroot_tmpdir/scmroot/python-ephyviewer'...
$ git fetch origin b5052ee2ce7857b985dcfc124e9d7c1c112b8e9f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/gui1ty/rpms/python-ephyviewer
 * [new ref]         b5052ee2ce7857b985dcfc124e9d7c1c112b8e9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b5052ee Run tests with python-pytest-xvfb