[Python-checkins] Cache externals, depending on changes to PCbuild (#3308)

[Zachary Ware]

https://github.com/python/cpython/commit/f801322e92384ef3eac2a9b7ac2c49d37102d0f3
commit: f801322e92384ef3eac2a9b7ac2c49d37102d0f3
branch: master
author: Zachary Ware <zachary.ware at gmail.com>
committer: GitHub <noreply at github.com>
date: 2017-09-04T14:59:02-07:00
summary:

Cache externals, depending on changes to PCbuild (#3308)

files:
M .github/appveyor.yml

diff --git a/.github/appveyor.yml b/.github/appveyor.yml
index cb9821ccc65..6a79a621e09 100644
--- a/.github/appveyor.yml
+++ b/.github/appveyor.yml
@@ -5,6 +5,8 @@ branches:
     - master
     - /\d\.\d/
     - buildbot-custom
+cache:
+  - externals -> PCbuild\*
 build_script:
 - cmd: PCbuild\build.bat -e
 - cmd: PCbuild\win32\python.exe -m test.pythoninfo