$ git clone -n https://src.fedoraproject.org/rpms/golang-github-anacrolix-stm.git /var/lib/mock/f38-build-side-42-init-devel-720326-27296/root/chroot_tmpdir/scmroot/golang-github-anacrolix-stm
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-720326-27296/root/chroot_tmpdir/scmroot/golang-github-anacrolix-stm'...
$ git fetch origin b8c94f06c64198800721c71f5cd428b0f510f943:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-anacrolix-stm
 * [new ref]         b8c94f06c64198800721c71f5cd428b0f510f943 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8c94f0 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild