From a0f6c9361b6ad653ebee27b73d63cb966be33d40 Mon Sep 17 00:00:00 2001
From: flip1995 <hello@philkrones.com>
Date: Thu, 25 Apr 2019 15:45:52 +0200
Subject: [PATCH] Check PRs for changelog entry in the body

---
 .travis.yml | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 3f7c856a7f7..ba8fad5f317 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -88,6 +88,19 @@ matrix:
     - os: windows
 
 script:
+  - |
+    if [ "$TRAVIS_BRANCH" == "auto" ] || [ "$TRAVIS_BRANCH" == "try" ]; then
+      output=$(curl -s "https://api.github.com/repos/rust-lang/rust-clippy/pulls/$TRAVIS_PULL_REQUEST" | \
+        python -c "import sys, json; print(json.load(sys.stdin)['body'])" | \
+        grep "changelog: " | \
+        sed "s/changelog: //g")
+      if [ -z "$output" ]; then
+        echo "ERROR: PR body must contain 'changelog: ...'"
+        exit 1
+      elif [ "$output" = "none" ]; then
+        echo "WARNING: changelog is 'none'"
+      fi
+    fi
   - |
       rm rust-toolchain
       ./setup-toolchain.sh