$ git clone -n https://src.fedoraproject.org/rpms/neon-backgrounds.git /var/lib/mock/f42-build-3285364-41413/root/chroot_tmpdir/scmroot/neon-backgrounds
Cloning into '/var/lib/mock/f42-build-3285364-41413/root/chroot_tmpdir/scmroot/neon-backgrounds'...
$ git fetch origin f29d1a958349f06431f6ccd1d5f7020f17b3c403:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/neon-backgrounds
 * [new ref]         f29d1a958349f06431f6ccd1d5f7020f17b3c403 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f29d1a9 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild