$ git clone -n https://src.fedoraproject.org/rpms/bkhive.git /var/lib/mock/f40-build-790893-136885/root/chroot_tmpdir/scmroot/bkhive
Cloning into '/var/lib/mock/f40-build-790893-136885/root/chroot_tmpdir/scmroot/bkhive'...
$ git fetch origin 96e7b62b8b4434a5d497b15d3d846a1c1fce2c5f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bkhive
 * [new ref]         96e7b62b8b4434a5d497b15d3d846a1c1fce2c5f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 96e7b62 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild