$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-browse.git /var/lib/mock/f40-build-2278758-55281/root/chroot_tmpdir/scmroot/gap-pkg-browse
Cloning into '/var/lib/mock/f40-build-2278758-55281/root/chroot_tmpdir/scmroot/gap-pkg-browse'...
$ git fetch origin 23d5748f088db55583210560a51cf84694ad7277:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-browse
 * [new ref]         23d5748f088db55583210560a51cf84694ad7277 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23d5748 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild