$ git clone -n https://src.fedoraproject.org/rpms/ghc-fgl.git /var/lib/mock/f31-build-116372-34555/root/chroot_tmpdir/scmroot/ghc-fgl
Cloning into '/var/lib/mock/f31-build-116372-34555/root/chroot_tmpdir/scmroot/ghc-fgl'...
$ git reset --hard ba630316f54f20dfdba172f9f50e2b39f02cf07e
HEAD is now at ba63031 BR prof for lib and static for executable