$ git clone -n https://src.fedoraproject.org/rpms/blobwars.git /var/lib/mock/f40-build-2274666-55021/root/chroot_tmpdir/scmroot/blobwars
Cloning into '/var/lib/mock/f40-build-2274666-55021/root/chroot_tmpdir/scmroot/blobwars'...
$ git fetch origin 6046dcd344fab4e8518231b374890d4f05448665:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/blobwars
 * [new ref]         6046dcd344fab4e8518231b374890d4f05448665 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6046dcd Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild