From 8f01d0de60268a6867bba512128044b8e4e75c69 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Motiejus=20Jak=C5=A1tys?= <motiejus.jakstys@spilgames.com>
Date: Thu, 9 Aug 2012 09:09:47 +0200
Subject: [PATCH] Add skip_deps=AppListSeparatedByCommas feature

---
 src/rebar_deps.erl | 28 ++++++++++++++++++++--------
 1 file changed, 20 insertions(+), 8 deletions(-)

diff --git a/src/rebar_deps.erl b/src/rebar_deps.erl
index 67652e3..c79e4c1 100644
--- a/src/rebar_deps.erl
+++ b/src/rebar_deps.erl
@@ -68,15 +68,27 @@ preprocess(Config, _) ->
     %% If skip_deps=true, mark each dep dir as a skip_dir w/ the core so that
     %% the current command doesn't run on the dep dir. However, pre/postprocess
     %% WILL run (and we want it to) for transitivity purposes.
+    %%
+    %% Also, if skip_deps=comma,separated,app,list, then only the given
+    %% dependencies are skipped.
     NewConfig = case rebar_config:get_global(Config3, skip_deps, false) of
-                    "true" ->
-                        lists:foldl(
-                          fun(#dep{dir = Dir}, C) ->
-                                  rebar_config:set_skip_dir(C, Dir)
-                          end, Config3, AvailableDeps);
-                    _ ->
-                        Config3
-                end,
+        "true" ->
+            lists:foldl(
+                fun(#dep{dir = Dir}, C) ->
+                        rebar_config:set_skip_dir(C, Dir)
+                end, Config3, AvailableDeps);
+        Apps when is_list(Apps) ->
+            SkipApps = [list_to_atom(App) || App <- string:tokens(Apps, ",")],
+            lists:foldl(
+                fun(#dep{dir = Dir, app = App}, C) ->
+                        case lists:member(App, SkipApps) of
+                            true -> rebar_config:set_skip_dir(C, Dir);
+                            false -> C
+                        end
+                end, Config3, AvailableDeps);
+        _ ->
+            Config3
+    end,
 
     %% Return all the available dep directories for process
     {ok, NewConfig, dep_dirs(AvailableDeps)}.