$ git clone -n https://src.fedoraproject.org/rpms/ghc-feed.git /var/lib/mock/f31-build-116368-34555/root/chroot_tmpdir/scmroot/ghc-feed
Cloning into '/var/lib/mock/f31-build-116368-34555/root/chroot_tmpdir/scmroot/ghc-feed'...
$ git reset --hard c295bee960937823a3a87b253ff11728b8ef5e2e
HEAD is now at c295bee BR prof for lib and static for executable