$ git clone -n https://src.fedoraproject.org/rpms/golang-github-cespare-xxhash.git /var/lib/mock/f38-build-side-42-init-devel-597160-26162/root/chroot_tmpdir/scmroot/golang-github-cespare-xxhash
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-597160-26162/root/chroot_tmpdir/scmroot/golang-github-cespare-xxhash'...
$ git fetch origin 48a79cc831a8b74bfaac411d9e72e011917f4a53:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-cespare-xxhash
 * [new ref]         48a79cc831a8b74bfaac411d9e72e011917f4a53 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48a79cc Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild