From 06cb829d37ebd5b975483f67d39dd62236908102 Mon Sep 17 00:00:00 2001
From: Max Brunsfeld <maxbrunsfeld@gmail.com>
Date: Thu, 17 Jan 2019 13:44:22 -0800
Subject: [PATCH] Try another way of building only tags and PRs on appveyor

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

diff --git a/.appveyor.yml b/.appveyor.yml
index 4a6721ad..3d6b7bd7 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,5 +1,8 @@
 build: false
 install:
+  # Terminate early unless building either a tag or a PR.
+  - if not defined APPVEYOR_REPO_TAG if not defined APPVEYOR_PULL_REQUEST_NUMBER appveyor exit
+
   # Install rust
   - appveyor DownloadFile https://win.rustup.rs/ -FileName rustup-init.exe
   - IF "%PLATFORM%" == "x86" rustup-init -y --default-toolchain stable --default-host i686-pc-windows-msvc