$ git clone -n https://src.fedoraproject.org/rpms/ghc-StateVar.git /var/lib/mock/f31-build-115653-34508/root/chroot_tmpdir/scmroot/ghc-StateVar
Cloning into '/var/lib/mock/f31-build-115653-34508/root/chroot_tmpdir/scmroot/ghc-StateVar'...
$ git reset --hard 64d41cf480c13124e1f2d08e30ffe23b80975e05
HEAD is now at 64d41cf BR prof for lib and static for executable