$ git clone -n https://src.fedoraproject.org/rpms/python-mirakuru.git /var/lib/mock/f40-build-2635314-66073/root/chroot_tmpdir/scmroot/python-mirakuru
Cloning into '/var/lib/mock/f40-build-2635314-66073/root/chroot_tmpdir/scmroot/python-mirakuru'...
$ git fetch origin 6a9a330816f958863fb44ce124237383d039bf1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-mirakuru
 * [new ref]         6a9a330816f958863fb44ce124237383d039bf1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a9a330 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild