$ git clone -n https://src.fedoraproject.org/rpms/aws-c-event-stream.git /var/lib/mock/f41-build-856540-167662/root/chroot_tmpdir/scmroot/aws-c-event-stream
Cloning into '/var/lib/mock/f41-build-856540-167662/root/chroot_tmpdir/scmroot/aws-c-event-stream'...
$ git fetch origin 7ee61e740268e810a85e9c052101a029ba0d277d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aws-c-event-stream
 * [new ref]         7ee61e740268e810a85e9c052101a029ba0d277d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ee61e7 Update to 0.4.3 upstream release