$ git clone -n https://src.fedoraproject.org/rpms/ghc-th-expand-syns.git /var/lib/mock/f31-build-101315-33380/root/chroot_tmpdir/scmroot/ghc-th-expand-syns
Cloning into '/var/lib/mock/f31-build-101315-33380/root/chroot_tmpdir/scmroot/ghc-th-expand-syns'...
$ git reset --hard 72b0c4cbb0b488597599734ba716c60f2d4bdcc0
HEAD is now at 72b0c4c BR prof for lib and static for executable