$ git clone -n https://src.fedoraproject.org/rpms/golang-github-nats-io.git /var/lib/mock/f41-build-1006756-17332/root/chroot_tmpdir/scmroot/golang-github-nats-io
Cloning into '/var/lib/mock/f41-build-1006756-17332/root/chroot_tmpdir/scmroot/golang-github-nats-io'...
$ git fetch origin bf7ea9270b72a1af711c1d9d4cfc22cd31021875:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-nats-io
 * [new ref]         bf7ea9270b72a1af711c1d9d4cfc22cd31021875 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf7ea92 update to v1.36.0, close rhbz#2292557