$ git clone -n https://src.fedoraproject.org/forks/packit/rpms/aws-c-http.git /var/lib/mock/f43-build-59200339-6571814/root/chroot_tmpdir/scmroot/aws-c-http
Cloning into '/var/lib/mock/f43-build-59200339-6571814/root/chroot_tmpdir/scmroot/aws-c-http'...
$ git fetch origin 84b98bb88d6908afda008c9d5b66f4633bbcb347:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/packit/rpms/aws-c-http
 * [new ref]         84b98bb88d6908afda008c9d5b66f4633bbcb347 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84b98bb Update to 0.10.0 upstream release