$ git clone -n https://src.fedoraproject.org/rpms/hiera.git /var/lib/mock/f41-build-1065811-19550/root/chroot_tmpdir/scmroot/hiera
Cloning into '/var/lib/mock/f41-build-1065811-19550/root/chroot_tmpdir/scmroot/hiera'...
$ git fetch origin f7f778c6a4e89a16d4f3dc1937f8360ef5866098:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hiera
 * [new ref]         f7f778c6a4e89a16d4f3dc1937f8360ef5866098 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f7f778c Eliminate use of obsolete %patchN syntax (#2283636)