$ git clone -n https://src.fedoraproject.org/rpms/golang-github-gobwas-ws.git /var/lib/mock/f38-build-side-42-init-devel-827028-28364/root/chroot_tmpdir/scmroot/golang-github-gobwas-ws
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-827028-28364/root/chroot_tmpdir/scmroot/golang-github-gobwas-ws'...
$ git fetch origin c47234ebb7cc86c13895bb15332db5f130f00d8d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-gobwas-ws
 * [new ref]         c47234ebb7cc86c13895bb15332db5f130f00d8d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c47234e Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild