$ git clone -n https://src.fedoraproject.org/rpms/ghc-skein.git /var/lib/mock/f31-build-101116-33352/root/chroot_tmpdir/scmroot/ghc-skein
Cloning into '/var/lib/mock/f31-build-101116-33352/root/chroot_tmpdir/scmroot/ghc-skein'...
$ git reset --hard 607795ce84d9fa553d7c2bc41656b5fbc32a7917
HEAD is now at 607795c BR prof for lib and static for executable