From 3ef75e8837686adb27a778c01d426cbbc8afc33a Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Wed, 11 Sep 2019 15:04:17 -0400
Subject: [PATCH] Comment above the new build command

---
 .circleci/config.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index ba44e80..c6d31b6 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -78,6 +78,11 @@ jobs:
           # Build just our dependencies.  It's nice to have this as a separate
           # step so failures here are more easily identified as being
           # unrelated to our code.
+          #
+          # See below for explanation of the various flags passed in.  If the
+          # flags here differ from those below in a way that makes ghc think a
+          # library needs to be rebuilt then we'll build everything twice and
+          # our cache will be useless!  Try not to make that happen.
           name: "Build Dependencies"
           command: |
             BUILD="stack build \
-- 
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