$ git clone -n https://src.fedoraproject.org/rpms/libomxil-bellagio.git /var/lib/mock/f40-build-785794-134121/root/chroot_tmpdir/scmroot/libomxil-bellagio
Cloning into '/var/lib/mock/f40-build-785794-134121/root/chroot_tmpdir/scmroot/libomxil-bellagio'...
$ git fetch origin 21e9d4088fd552f6ef6fffd698e926451f0ad17a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libomxil-bellagio
 * [new ref]         21e9d4088fd552f6ef6fffd698e926451f0ad17a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21e9d40 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild