[Python-checkins] [2.7] Cache externals, depending on changes to PCbuild (GH-3308) (#3365)

[Zachary Ware]

https://github.com/python/cpython/commit/fef3ddbbcc408be8a5e5df645b301964e726bf7c
commit: fef3ddbbcc408be8a5e5df645b301964e726bf7c
branch: 2.7
author: Zachary Ware <zachary.ware at gmail.com>
committer: GitHub <noreply at github.com>
date: 2017-09-05T18:01:49-07:00
summary:

[2.7] Cache externals, depending on changes to PCbuild (GH-3308) (#3365)

(cherry picked from commit f801322e92384ef3eac2a9b7ac2c49d37102d0f3)

files:
M .github/appveyor.yml

diff --git a/.github/appveyor.yml b/.github/appveyor.yml
index b809ad680b1..2cd9a42feb8 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\python.exe -m test.pythoninfo