$ git clone -n https://src.fedoraproject.org/rpms/kontrast.git /var/lib/mock/f40-build-2277688-55240/root/chroot_tmpdir/scmroot/kontrast
Cloning into '/var/lib/mock/f40-build-2277688-55240/root/chroot_tmpdir/scmroot/kontrast'...
$ git fetch origin 79e968b9079b5eebe0b6c77cf4fec2887e4c4074:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kontrast
 * [new ref]         79e968b9079b5eebe0b6c77cf4fec2887e4c4074 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 79e968b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild