$ git clone -n https://src.fedoraproject.org/forks/thrnciar/rpms/python-lockfile.git /var/lib/mock/f43-build-61059219-6588312/root/chroot_tmpdir/scmroot/python-lockfile
Cloning into '/var/lib/mock/f43-build-61059219-6588312/root/chroot_tmpdir/scmroot/python-lockfile'...
$ git fetch origin 37376e73a5de80cad0edbb2077833b0d025153b5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/thrnciar/rpms/python-lockfile
 * [new ref]         37376e73a5de80cad0edbb2077833b0d025153b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37376e7 Convert to %autorelease and %autochangelog