96 lines
3.2 KiB
Erlang
Executable File
96 lines
3.2 KiB
Erlang
Executable File
#!/usr/bin/env escript
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main([File]) ->
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Dir = get_root(filename:dirname(File)),
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Defs = [strong_validation,
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warn_export_all,
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warn_export_vars,
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warn_shadow_vars,
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warn_obsolete_guard,
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warn_unused_import,
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report,
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{i, Dir ++ "/include"}],
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%% `rebar.config` is looked for,
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%% but it is not necessarily the one in the project root.
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%% I.e. it may be one deeper in the project file hierarchy.
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RebarFile = rebar_file(Dir),
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%% `rebar.config` might contain relative paths.
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%% They are relative to the file! Not to the project root.
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RebarOpts = rebar_opts(Dir ++ "/" ++ RebarFile),
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code:add_patha(filename:absname("ebin")),
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%% `compile:file/2` requires the `{i, Path}` to be relative
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%% to CWD - no surprise here.
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compile:file(File, Defs ++ translate_paths(Dir, RebarOpts));
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main(_) ->
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io:format("Usage: ~s <file>~n", [escript:script_name()]),
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halt(1).
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rebar_file(Dir) ->
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DirList = filename:split(Dir),
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case lists:last(DirList) of
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"test" ->
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"rebar.test.config";
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_ ->
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"rebar.config"
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end.
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rebar_opts(RebarFile) ->
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Dir = get_root(filename:dirname(RebarFile)),
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case file:consult(RebarFile) of
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{ok, Terms} ->
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RebarLibDirs = proplists:get_value(lib_dirs, Terms, []),
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lists:foreach(
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fun(LibDir) ->
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code:add_pathsa(filelib:wildcard(LibDir ++ "/*/ebin"))
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end, RebarLibDirs),
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RebarDepsDir = proplists:get_value(deps_dir, Terms, "deps"),
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code:add_pathsa(filelib:wildcard(RebarDepsDir ++ "/*/ebin")),
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IncludeDeps = {i, filename:join(Dir, RebarDepsDir)},
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proplists:get_value(erl_opts, Terms, []) ++ [IncludeDeps];
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{error, _} when RebarFile == "rebar.config" ->
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fallback_opts();
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{error, _} ->
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rebar_opts("rebar.config")
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end.
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fallback_opts() ->
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code:add_pathsa(filelib:wildcard("deps/*/ebin")),
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code:add_pathsa(nested_app_ebins()),
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[
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{ i, filename:absname("apps") }, { i, filename:absname("deps") } | [ { i, filename:absname(Path) } || Path <- filelib:wildcard("deps/*/apps")]
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].
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nested_app_ebins() ->
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DetectedAppSrcFiles = filelib:wildcard("deps/*/apps/**/*.app.src"),
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[apps_dir_from_src(AppSrcFile)||AppSrcFile<-DetectedAppSrcFiles].
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apps_dir_from_src(SrcFile) ->
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SrcDir = filename:dirname(SrcFile),
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filename:join(SrcDir, "../../ebin").
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get_root(Dir) ->
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Path = filename:split(filename:absname(Dir)),
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filename:join(get_root(lists:reverse(Path), Path)).
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get_root([], Path) ->
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Path;
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get_root(["src" | Tail], _Path) ->
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lists:reverse(Tail);
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get_root(["test" | Tail], _Path) ->
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lists:reverse(Tail);
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get_root([_ | Tail], Path) ->
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get_root(Tail, Path).
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translate_paths(Dir, RebarOpts) ->
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[ translate_path(Dir, Opt) || Opt <- RebarOpts ].
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translate_path(Dir, {i, Path}) ->
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case Path of
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%% absolute
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"/" ++ _ -> {i, Path};
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%% relative -> make absolute taking rebar.config location into account
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_ -> {i, filename:join([Dir, Path])}
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end;
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translate_path(_, Other) -> Other.
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