$ git clone -n https://src.fedoraproject.org/rpms/golang-github-antihax-optional.git /var/lib/mock/f38-build-side-42-init-devel-998306-29142/root/chroot_tmpdir/scmroot/golang-github-antihax-optional
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-998306-29142/root/chroot_tmpdir/scmroot/golang-github-antihax-optional'...
$ git fetch origin 277d7a3451ec3c5a7154664416c8e97b124a1142:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-antihax-optional
 * [new ref]         277d7a3451ec3c5a7154664416c8e97b124a1142 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 277d7a3 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild