$ git clone -n https://src.fedoraproject.org/rpms/light.git /var/lib/mock/f41-build-side-1-2647781-27313/root/chroot_tmpdir/scmroot/light
Cloning into '/var/lib/mock/f41-build-side-1-2647781-27313/root/chroot_tmpdir/scmroot/light'...
$ git fetch origin 278a44c6f94e9264ea125965bcef81ee27fa8d76:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/light
 * [new ref]         278a44c6f94e9264ea125965bcef81ee27fa8d76 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 278a44c Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild