$ git clone -n https://src.fedoraproject.org/rpms/python-hiredis.git /var/lib/mock/f40-build-783871-133124/root/chroot_tmpdir/scmroot/python-hiredis
Cloning into '/var/lib/mock/f40-build-783871-133124/root/chroot_tmpdir/scmroot/python-hiredis'...
$ git fetch origin 1907476f70c4e310bdb04c30a0eb07f9985c029b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-hiredis
 * [new ref]         1907476f70c4e310bdb04c30a0eb07f9985c029b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1907476 Remove wrongly added tarball