From a8f66602f22459be95f8463e8cf6de1e653b352c Mon Sep 17 00:00:00 2001
From: "Jason R. Coombs" <jaraco@jaraco.com>
Date: Tue, 20 Feb 2018 08:45:54 -0500
Subject: [PATCH] Save the pip cache across builds. Ref pypa/setuptools#1279.

---
 appveyor.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/appveyor.yml b/appveyor.yml
index 3d55a92..2b7808f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -14,6 +14,9 @@ install:
 
 build: off
 
+cache:
+  - '%LOCALAPPDATA%\pip\Cache'
+
 test_script:
   - "python -m pip install tox tox-venv"
   - "tox"