$ git clone -n https://src.fedoraproject.org/rpms/golang-github-nats-io.git /var/lib/mock/f38-build-side-42-init-devel-692707-26871/root/chroot_tmpdir/scmroot/golang-github-nats-io
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-692707-26871/root/chroot_tmpdir/scmroot/golang-github-nats-io'...
$ git fetch origin 15187ffb99f58b07088a82f5560b7cfbd020c193:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-nats-io
 * [new ref]         15187ffb99f58b07088a82f5560b7cfbd020c193 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15187ff Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild