$ git clone -n https://src.fedoraproject.org/rpms/phonon.git /var/lib/mock/f40-build-788924-135460/root/chroot_tmpdir/scmroot/phonon
Cloning into '/var/lib/mock/f40-build-788924-135460/root/chroot_tmpdir/scmroot/phonon'...
$ git fetch origin 11205b15f877090e7bc19e795c515fdde9d041a7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/phonon
 * [new ref]         11205b15f877090e7bc19e795c515fdde9d041a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 11205b1 Relax backend dependency, avoids circular dependency