$ git clone -n https://src.fedoraproject.org/rpms/python3-exiv2.git /var/lib/mock/f40-build-2400872-60555/root/chroot_tmpdir/scmroot/python3-exiv2
Cloning into '/var/lib/mock/f40-build-2400872-60555/root/chroot_tmpdir/scmroot/python3-exiv2'...
$ git fetch origin f85e57497ff0be55b53ab6038f7f3757e0f622b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python3-exiv2
 * [new ref]         f85e57497ff0be55b53ab6038f7f3757e0f622b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f85e574 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild