From 21ed404df9b353bafe328fb0c69cf1134ae14d0a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Sat, 16 May 2015 15:27:23 +0300
Subject: Initial rebar2 plugins support

We do nothing more than what is necessary to make riak_pb work.
It's possible other plugins will not work, however this is the
only plugin that I have seen to be required so far, and hook
plugins seem to have been removed from rebar3, so it should be
fine.
---
 core/deps.mk | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'core/deps.mk')

diff --git a/core/deps.mk b/core/deps.mk
index dfbe5ce..820f72a 100644
--- a/core/deps.mk
+++ b/core/deps.mk
@@ -260,6 +260,26 @@ define dep_autopatch_rebar.erl
 				Write("\n\nCFLAGS := $$$$\(filter-out -std=c99 -Wmissing-prototypes,$$$$\(CFLAGS\)\)\n")
 		end
 	end(),
+	fun() ->
+		case lists:keyfind(plugins, 1, Conf) of
+			{_, [Plugin]} when is_atom(Plugin) ->
+				ErlFile = "$(DEPS_DIR)/$(1)/plugins/" ++ atom_to_list(Plugin) ++ ".erl",
+				try
+					{ok, PF} = file:read_file(ErlFile),
+					PF2 = re:replace(PF, "rebar_utils:find_files", "find_files", [global, {return, list}]),
+					PF3 = PF2 ++ "find_files(Dir, Regex) ->
+						filelib:fold_files(Dir, Regex, true, fun(F, Acc) -> [F|Acc] end, []).",
+					ok = file:write_file(ErlFile, PF3),
+					{ok, Mod, Bin} = compile:file(ErlFile, [binary]),
+					{module, Mod} = code:load_binary(Mod, ErlFile, Bin),
+					c:cd("$(DEPS_DIR)/$(1)/"),
+					ok = Mod:pre_compile(Conf, undefined)
+				catch _:_ ->
+					ok
+				end;
+			_ -> ok
+		end
+	end(),
 	halt()
 endef
 
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