$ git clone -n https://src.fedoraproject.org/rpms/mod_security_crs.git /var/lib/mock/f45-build-19078-540/root/chroot_tmpdir/scmroot/mod_security_crs
Cloning into '/var/lib/mock/f45-build-19078-540/root/chroot_tmpdir/scmroot/mod_security_crs'...
$ git fetch origin 8b4c93b9e4c2a396a45e9ff71d29f99ef76faf63:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mod_security_crs
 * [new ref]         8b4c93b9e4c2a396a45e9ff71d29f99ef76faf63 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b4c93b new version 4.22.0