$ git clone -n https://src.fedoraproject.org/rpms/rzip.git /var/lib/mock/f45-build-35526-695/root/chroot_tmpdir/scmroot/rzip
Cloning into '/var/lib/mock/f45-build-35526-695/root/chroot_tmpdir/scmroot/rzip'...
$ git fetch origin 4d4827401ad5f6c837ce3ba5e13b47693e69a764:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rzip
 * [new ref]         4d4827401ad5f6c837ce3ba5e13b47693e69a764 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d48274 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild