$ git clone -n https://src.fedoraproject.org/rpms/kdnssd.git /var/lib/mock/f42-build-880726-182992/root/chroot_tmpdir/scmroot/kdnssd
Cloning into '/var/lib/mock/f42-build-880726-182992/root/chroot_tmpdir/scmroot/kdnssd'...
$ git fetch origin 2711dfaeb46307f0b656e7255fbfa81c3bafe6d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdnssd
 * [new ref]         2711dfaeb46307f0b656e7255fbfa81c3bafe6d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2711dfa Rebuild for ppc64le enablement