From f23fbcd6d19de4490fa3a1e9d7b18fc6d1807219 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Wed, 8 May 2019 22:30:41 -0400
Subject: [PATCH] clear file checksum cache less frequently - #92

---
 lib/rscons/environment.rb | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/rscons/environment.rb b/lib/rscons/environment.rb
index 08b6708..ca0178f 100644
--- a/lib/rscons/environment.rb
+++ b/lib/rscons/environment.rb
@@ -262,6 +262,7 @@ module Rscons
     #
     # @return [void]
     def process
+      Cache.instance.clear_checksum_cache!
       @process_failures = []
       @process_blocking_wait = false
       @process_commands_waiting_to_run = []
@@ -594,9 +595,6 @@ module Rscons
     #
     # @return [void]
     def run_builder(builder)
-      # TODO: have Cache determine when checksums may be invalid based on
-      # file size and/or timestamp.
-      Cache.instance.clear_checksum_cache!
       unless builder.nop?
         builder.build_step ||= Rscons.application.get_next_build_step
       end