$ git clone -n https://src.fedoraproject.org/rpms/squidGuard.git /var/lib/mock/f45-build-36409-704/root/chroot_tmpdir/scmroot/squidGuard
Cloning into '/var/lib/mock/f45-build-36409-704/root/chroot_tmpdir/scmroot/squidGuard'...
$ git fetch origin 5fa838ec5920adba7b5be99585bceb807b1fd4c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/squidGuard
 * [new ref]         5fa838ec5920adba7b5be99585bceb807b1fd4c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5fa838e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild