$ git clone -n https://src.fedoraproject.org/rpms/golang-github-facebookgo-stack.git /var/lib/mock/f38-build-side-42-init-devel-848009-28422/root/chroot_tmpdir/scmroot/golang-github-facebookgo-stack
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-848009-28422/root/chroot_tmpdir/scmroot/golang-github-facebookgo-stack'...
$ git fetch origin 8d5b46a859e76c64635c70132b9690a14d745645:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-facebookgo-stack
 * [new ref]         8d5b46a859e76c64635c70132b9690a14d745645 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d5b46a Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild