$ git clone -n https://src.fedoraproject.org/rpms/golang-github-cloudflare-circl.git /var/lib/mock/f41-build-808457-145871/root/chroot_tmpdir/scmroot/golang-github-cloudflare-circl
Cloning into '/var/lib/mock/f41-build-808457-145871/root/chroot_tmpdir/scmroot/golang-github-cloudflare-circl'...
$ git fetch origin 083ced4fda825387a8329b3d8f57f5ed11c534f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-cloudflare-circl
 * [new ref]         083ced4fda825387a8329b3d8f57f5ed11c534f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 083ced4 Update to 1.3.7 - Closes rhbz#2165786 rhbz#2203758