$ git clone -n https://src.fedoraproject.org/rpms/ghc-tf-random.git /var/lib/mock/f31-build-117033-34599/root/chroot_tmpdir/scmroot/ghc-tf-random
Cloning into '/var/lib/mock/f31-build-117033-34599/root/chroot_tmpdir/scmroot/ghc-tf-random'...
$ git reset --hard bf028296b8b4f20970123cc0d31d82635f45c2a1
HEAD is now at bf02829 BR prof for lib and static for executable