$ git clone -n https://src.fedoraproject.org/rpms/ghc-language-javascript.git /var/lib/mock/f31-build-116684-34579/root/chroot_tmpdir/scmroot/ghc-language-javascript
Cloning into '/var/lib/mock/f31-build-116684-34579/root/chroot_tmpdir/scmroot/ghc-language-javascript'...
$ git reset --hard e6abc5e10dd1340ac2bdaf7617d39e30c344a166
HEAD is now at e6abc5e BR prof for lib and static for executable