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-rw-r--r--src/rebar_compiler_erl.erl31
1 files changed, 16 insertions, 15 deletions
diff --git a/src/rebar_compiler_erl.erl b/src/rebar_compiler_erl.erl
index 26ccd6e..da4a1b0 100644
--- a/src/rebar_compiler_erl.erl
+++ b/src/rebar_compiler_erl.erl
@@ -78,7 +78,7 @@ needed_files(Graph, FoundFiles, _, AppInfo) ->
dependencies(Source, SourceDir, Dirs) ->
case file:open(Source, [read]) of
{ok, Fd} ->
- Incls = lists:usort(parse_attrs(Fd, [], SourceDir)),
+ Incls = parse_attrs(Fd, [], SourceDir),
AbsIncls = expand_file_names(Incls, Dirs),
ok = file:close(Fd),
AbsIncls;
@@ -245,20 +245,21 @@ module_to_erl(Mod) ->
atom_to_list(Mod) ++ ".erl".
parse_attrs(Fd, Includes, Dir) ->
- case io:parse_erl_form(Fd, "") of
- {ok, Form, _Line} ->
- case erl_syntax:type(Form) of
- attribute ->
- NewIncludes = process_attr(Form, Includes, Dir),
- parse_attrs(Fd, NewIncludes, Dir);
- _ ->
- parse_attrs(Fd, Includes, Dir)
- end;
- {eof, _} ->
- Includes;
- _Err ->
- parse_attrs(Fd, Includes, Dir)
- end.
+ DupIncludes = case io:parse_erl_form(Fd, "") of
+ {ok, Form, _Line} ->
+ case erl_syntax:type(Form) of
+ attribute ->
+ NewIncludes = process_attr(Form, Includes, Dir),
+ parse_attrs(Fd, NewIncludes, Dir);
+ _ ->
+ parse_attrs(Fd, Includes, Dir)
+ end;
+ {eof, _} ->
+ Includes;
+ _Err ->
+ parse_attrs(Fd, Includes, Dir)
+ end,
+ lists:usort(DupIncludes).
process_attr(Form, Includes, Dir) ->
AttrName = erl_syntax:atom_value(erl_syntax:attribute_name(Form)),