$ git clone -n https://src.fedoraproject.org/rpms/ghc-X11-xft.git /var/lib/mock/f40-build-743141-111091/root/chroot_tmpdir/scmroot/ghc-X11-xft
Cloning into '/var/lib/mock/f40-build-743141-111091/root/chroot_tmpdir/scmroot/ghc-X11-xft'...
$ git fetch origin c9443d44ced5ee991550e252c0f280f7f8b2b4ea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-X11-xft
 * [new ref]         c9443d44ced5ee991550e252c0f280f7f8b2b4ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9443d4 bump release