$ git clone -n https://src.fedoraproject.org/forks/hypersa/rpms/ghc-X11-xft.git /var/lib/mock/f39-build-2218398-52603/root/chroot_tmpdir/scmroot/ghc-X11-xft
Cloning into '/var/lib/mock/f39-build-2218398-52603/root/chroot_tmpdir/scmroot/ghc-X11-xft'...
$ git fetch origin 7d6a58984b7f3636343b529d30b4babef8b01c86:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/hypersa/rpms/ghc-X11-xft
 * [new ref]         7d6a58984b7f3636343b529d30b4babef8b01c86 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d6a589 rv64 rebuild