$ git clone -n https://src.fedoraproject.org/rpms/gammaray.git /var/lib/mock/f40-build-2443493-61109/root/chroot_tmpdir/scmroot/gammaray
Cloning into '/var/lib/mock/f40-build-2443493-61109/root/chroot_tmpdir/scmroot/gammaray'...
$ git fetch origin 2f140eb021b6b008dead8bd4ffe5b71237f873d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gammaray
 * [new ref]         2f140eb021b6b008dead8bd4ffe5b71237f873d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f140eb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild