$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-crisp.git /var/lib/mock/f45-build-9437-404/root/chroot_tmpdir/scmroot/gap-pkg-crisp
Cloning into '/var/lib/mock/f45-build-9437-404/root/chroot_tmpdir/scmroot/gap-pkg-crisp'...
$ git fetch origin c4c7b03743dcb4546c4604b954500591c94b42fd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-crisp
 * [new ref]         c4c7b03743dcb4546c4604b954500591c94b42fd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4c7b03 Version 1.4.11