$ git clone -n https://src.fedoraproject.org/rpms/ghc-language-ecmascript.git /var/lib/mock/f33-build-186408-45810/root/chroot_tmpdir/scmroot/ghc-language-ecmascript
Cloning into '/var/lib/mock/f33-build-186408-45810/root/chroot_tmpdir/scmroot/ghc-language-ecmascript'...
$ git reset --hard d831efb84e9237cc3ca6a822e3d67a692c6476a3
HEAD is now at d831efb refresh to cabal-rpm-2.0.2