From 4ae23c6881b7c47307de79566392018b7ea356a4 Mon Sep 17 00:00:00 2001
From: Fred Hebert <mononcqc@ferd.ca>
Date: Thu, 12 Mar 2020 01:24:55 +0000
Subject: [PATCH] fix callback typespecs

---
 src/rebar_compiler.erl | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/rebar_compiler.erl b/src/rebar_compiler.erl
index 28e5f8df..ccc0e160 100644
--- a/src/rebar_compiler.erl
+++ b/src/rebar_compiler.erl
@@ -31,10 +31,14 @@
 -callback dependencies(file:filename(), file:dirname(), [file:dirname()]) -> [file:filename()].
 -callback dependencies(file:filename(), file:dirname(), [file:dirname()], term()) -> [file:filename()].
 -callback compile(file:filename(), out_mappings(), rebar_dict(), list()) ->
-    ok | {ok, [string()]} | {ok, [string()], [string()]}.
+    ok | {ok, [string()]} | error | {error, [string()], [string()]} | skipped.
+-callback compile_and_track(file:filename(), out_mappings(), rebar_dict(), list()) ->
+    {ok, [{file:filename(), file:filename(), term()}]} |
+    {ok, [{file:filename(), file:filename(), term()}], [string()]} |
+    {error, [string()], [string()]} | error.
 -callback clean([file:filename()], rebar_app_info:t()) -> _.
 
--optional_callbacks([dependencies/4]).
+-optional_callbacks([dependencies/4, compile_and_track/4]).
 
 -define(RE_PREFIX, "^(?!\\._)").