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-rw-r--r--src/rebar_opts.erl4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/rebar_opts.erl b/src/rebar_opts.erl
index 444b760..589dbb8 100644
--- a/src/rebar_opts.erl
+++ b/src/rebar_opts.erl
@@ -118,6 +118,10 @@ merge_opt({plugins, _}, NewValue, _OldValue) ->
NewValue;
merge_opt(profiles, NewValue, OldValue) ->
dict:to_list(merge_opts(dict:from_list(NewValue), dict:from_list(OldValue)));
+merge_opt(erl_first_files, Value, Value) ->
+ Value;
+merge_opt(erl_first_files, NewValue, OldValue) ->
+ OldValue ++ NewValue;
merge_opt(mib_first_files, Value, Value) ->
Value;
merge_opt(mib_first_files, NewValue, OldValue) ->