$ git clone -n https://src.fedoraproject.org/rpms/python-aiohttp.git /var/lib/mock/f41-build-side-1-2905758-34714/root/chroot_tmpdir/scmroot/python-aiohttp
Cloning into '/var/lib/mock/f41-build-side-1-2905758-34714/root/chroot_tmpdir/scmroot/python-aiohttp'...
$ git fetch origin b63d20f67d995d9f03ad0271a9a23d2cd37d4269:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-aiohttp
 * [new ref]         b63d20f67d995d9f03ad0271a9a23d2cd37d4269 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b63d20f Skip a new test that requires network access