$ git clone -n https://src.fedoraproject.org/rpms/gawk-json.git /var/lib/mock/f42-build-3275533-41321/root/chroot_tmpdir/scmroot/gawk-json
Cloning into '/var/lib/mock/f42-build-3275533-41321/root/chroot_tmpdir/scmroot/gawk-json'...
$ git fetch origin cdee0c09039517fc8c06256aafb8df6ef8bff3ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gawk-json
 * [new ref]         cdee0c09039517fc8c06256aafb8df6ef8bff3ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cdee0c0 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild