$ git clone -n https://src.fedoraproject.org/rpms/golang-github-json-iterator.git /var/lib/mock/f38-build-side-42-init-devel-588510-26120/root/chroot_tmpdir/scmroot/golang-github-json-iterator
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-588510-26120/root/chroot_tmpdir/scmroot/golang-github-json-iterator'...
$ git fetch origin a57da3336c6ad772bdc1c049ab1288fd73ff71b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-json-iterator
 * [new ref]         a57da3336c6ad772bdc1c049ab1288fd73ff71b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a57da33 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild