$ git clone -n https://src.fedoraproject.org/rpms/ghc-snap-core.git /var/lib/mock/f31-build-117005-34599/root/chroot_tmpdir/scmroot/ghc-snap-core
Cloning into '/var/lib/mock/f31-build-117005-34599/root/chroot_tmpdir/scmroot/ghc-snap-core'...
$ git reset --hard cffd56b59fd020f24d7d92d1b493b97a4a601957
HEAD is now at cffd56b BR prof for lib and static for executable