rebar.config.script

%%-*- mode: erlang -*-

DEPS = case lists:keyfind(deps, 1, CONFIG) of
          {_, Deps} -> Deps;
          _ -> []
      end,

ComparingFun = fun
                _Fun([C1|R1], [C2|R2]) when is_list(C1), is_list(C2);
                                            is_integer(C1), is_integer(C2) -> C1 < C2 orelse _Fun(R1, R2);
                _Fun([C1|R1], [C2|R2]) when is_integer(C1), is_list(C2)    -> _Fun(R1, R2);
                _Fun([C1|R1], [C2|R2]) when is_list(C1), is_integer(C2)    -> true;
                _Fun(_, _) -> false
              end,

SortFun = fun(T1, T2) ->
            C = fun(T) ->
                  [case catch list_to_integer(E) of
                      I when is_integer(I) -> I;
                      _ -> E
                    end || E <- re:split(string:sub_string(T, 2), "[.-]", [{return, list}])]
                end,
            ComparingFun(C(T1), C(T2))
          end,

VTags = string:tokens(os:cmd("git tag -l \"v*\" --points-at $(git rev-parse $(git describe --abbrev=0 --tags))"), "\n"),

Tags = case VTags of
         [] -> string:tokens(os:cmd("git tag -l \"e*\" --points-at $(git rev-parse $(git describe --abbrev=0 --tags))"), "\n");
         _ -> VTags
       end,

LatestTag = lists:last(lists:sort(SortFun, Tags)),

Branch = case os:getenv("GITHUB_RUN_ID") of
                false -> os:cmd("git branch | grep -e '^*' | cut -d' ' -f 2") -- "\n";
                _ -> re:replace(os:getenv("GITHUB_REF"), "^refs/heads/|^refs/tags/", "", [global, {return ,list}])
         end,

GitDescribe = case re:run(Branch, "master|^dev/|^hotfix/", [{capture, none}]) of
                match -> {branch, Branch};
                _ -> {tag, LatestTag}
              end,

UrlPrefix = "https://github.com/emqx/",

EMQX_DEP = {emqx, {git, UrlPrefix ++ "emqx", GitDescribe}},

NewDeps = [EMQX_DEP | DEPS],

CONFIG1 = lists:keystore(deps, 1, CONFIG, {deps, NewDeps}),

CONFIG1.