CONFIG0 = case os:getenv("REBAR_GIT_CLONE_OPTIONS") of
              "--depth 1" ->
                  CONFIG;
              _ ->
                  os:putenv("REBAR_GIT_CLONE_OPTIONS", "--depth 1"),
                  CONFIG
          end,

CONFIG1 = case os:getenv("TRAVIS") of
              "true" ->
                  JobId = os:getenv("TRAVIS_JOB_ID"),
                  [{coveralls_service_job_id, JobId},
                   {coveralls_coverdata, "_build/test/cover/*.coverdata"},
                   {coveralls_service_name , "travis-ci"} | CONFIG];
              _ ->
                  CONFIG
          end,

FindDeps = fun(DepsType, Config) ->
                   case lists:keyfind(DepsType, 1, Config) of
                       {_, RawDeps} -> RawDeps;
                       _ -> []
                   end
           end,
Deps = FindDeps(deps, CONFIG1),
LibDeps = FindDeps(github_emqx_libs, CONFIG1),
ProjDeps = FindDeps(github_emqx_projects, CONFIG1),
UrlPrefix = "https://github.com/emqx/",
RealName = fun TransName([$_ | Tail], Result) ->
                   TransName(Tail, [$- | Result]);
               TransName([Head | Tail], Result) ->
                   TransName(Tail, [Head | Result]);
               TransName([], Result) ->
                   lists:reverse(Result)
           end,

NewLibDeps = [{LibName, {git, UrlPrefix ++ atom_to_list(LibName), {branch, Branch}}}
              || {LibName, Branch} <- LibDeps],
NewProjDeps = [{ProjName, {git, UrlPrefix ++ RealName(atom_to_list(ProjName), []), {branch, Branch}}} || {ProjName, Branch} <- ProjDeps],

NewDeps = Deps ++ NewLibDeps ++ NewProjDeps,
CONFIG2 = lists:keystore(deps, 1, CONFIG1, {deps, NewDeps}),
CONFIG2.