$ git clone -n https://src.fedoraproject.org/rpms/golang-github-xeipuuv-gojsonreference.git /var/lib/mock/f40-build-2289362-55861/root/chroot_tmpdir/scmroot/golang-github-xeipuuv-gojsonreference
Cloning into '/var/lib/mock/f40-build-2289362-55861/root/chroot_tmpdir/scmroot/golang-github-xeipuuv-gojsonreference'...
$ git fetch origin effd32d5403a122eee59da8e6fb5f40ee424e47f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-xeipuuv-gojsonreference
 * [new ref]         effd32d5403a122eee59da8e6fb5f40ee424e47f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at effd32d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild