$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-alnuth.git /var/lib/mock/f40-build-2278738-55280/root/chroot_tmpdir/scmroot/gap-pkg-alnuth
Cloning into '/var/lib/mock/f40-build-2278738-55280/root/chroot_tmpdir/scmroot/gap-pkg-alnuth'...
$ git fetch origin 435206b4d17e8e4b9edb52fe7cd3cdfa04de3634:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-alnuth
 * [new ref]         435206b4d17e8e4b9edb52fe7cd3cdfa04de3634 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 435206b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild