$ git clone -n https://src.fedoraproject.org/rpms/coq.git /var/lib/mock/f39-build-2465987-61444/root/chroot_tmpdir/scmroot/coq
Cloning into '/var/lib/mock/f39-build-2465987-61444/root/chroot_tmpdir/scmroot/coq'...
$ git fetch origin a0975beca95170cd27ef8b8c436f7381b94c5f6b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coq
 * [new ref]         a0975beca95170cd27ef8b8c436f7381b94c5f6b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a0975be Version 8.18.0