$ git clone -n https://src.fedoraproject.org/rpms/ghc-numbers.git /var/lib/mock/f31-build-116748-34579/root/chroot_tmpdir/scmroot/ghc-numbers
Cloning into '/var/lib/mock/f31-build-116748-34579/root/chroot_tmpdir/scmroot/ghc-numbers'...
$ git reset --hard e776c26801605d698c56af9d06e76340c7258280
HEAD is now at e776c26 BR prof for lib and static for executable