$ git clone -n https://src.fedoraproject.org/rpms/exiv2.git /var/lib/mock/f41-build-842007-161429/root/chroot_tmpdir/scmroot/exiv2
Cloning into '/var/lib/mock/f41-build-842007-161429/root/chroot_tmpdir/scmroot/exiv2'...
$ git fetch origin d70c1d33bf2d727c9d204a1146d50247742f2684:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/exiv2
 * [new ref]         d70c1d33bf2d727c9d204a1146d50247742f2684 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d70c1d3 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild