$ git clone -n https://src.fedoraproject.org/rpms/ghc-fgl.git /var/lib/mock/f31-build-54354-27988/root/chroot_tmpdir/scmroot/ghc-fgl
Cloning into '/var/lib/mock/f31-build-54354-27988/root/chroot_tmpdir/scmroot/ghc-fgl'...
$ git reset --hard a278d09b58e10f5f8fc29a750850202d24ffb255
HEAD is now at a278d09 refresh to cabal-rpm-0.13