$ git clone -n https://src.fedoraproject.org/rpms/aws.git /var/lib/mock/f41-build-723360-13111/root/chroot_tmpdir/scmroot/aws
Cloning into '/var/lib/mock/f41-build-723360-13111/root/chroot_tmpdir/scmroot/aws'...
$ git fetch origin 21611f558c150b6dd332e851ba3b13d7f1285a54:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aws
 * [new ref]         21611f558c150b6dd332e851ba3b13d7f1285a54 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21611f5 Eliminate use of obsolete %patchN syntax (#2283636)