$ git clone -n https://src.fedoraproject.org/rpms/ghc-language-javascript.git /var/lib/mock/f33-build-177889-44959/root/chroot_tmpdir/scmroot/ghc-language-javascript
Cloning into '/var/lib/mock/f33-build-177889-44959/root/chroot_tmpdir/scmroot/ghc-language-javascript'...
$ git reset --hard ff1bd121784fe39671fbd26fa54286b8a6903647
HEAD is now at ff1bd12 update to 0.6.0.14