$ git clone -n https://src.fedoraproject.org/rpms/ghc-X11-xft.git /var/lib/mock/f45-build-9957-412/root/chroot_tmpdir/scmroot/ghc-X11-xft
Cloning into '/var/lib/mock/f45-build-9957-412/root/chroot_tmpdir/scmroot/ghc-X11-xft'...
$ git fetch origin 16845f7bf9f852226c722dc5d3e3313cdc3cacbe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-X11-xft
 * [new ref]         16845f7bf9f852226c722dc5d3e3313cdc3cacbe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16845f7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild