$ git clone -n https://src.fedoraproject.org/rpms/clapper-enhancers.git /var/lib/mock/f45-build-3975-329/root/chroot_tmpdir/scmroot/clapper-enhancers
Cloning into '/var/lib/mock/f45-build-3975-329/root/chroot_tmpdir/scmroot/clapper-enhancers'...
$ git fetch origin 6fce20c206656154bfc003a1509bec3ad7f40807:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clapper-enhancers
 * [new ref]         6fce20c206656154bfc003a1509bec3ad7f40807 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6fce20c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild