From a364e4134e6f196cf7f37f2cd9dd86eba758e58e Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <michael@stapelberg.de>
Date: Fri, 6 Oct 2017 07:42:56 +0200
Subject: [PATCH] travis: check formatting

---
 .travis.yml                | 13 +++++++++++++
 travis/check-formatting.sh |  6 ++++++
 2 files changed, 19 insertions(+)
 create mode 100644 .travis.yml
 create mode 100755 travis/check-formatting.sh

diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..ab752c9
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,13 @@
+sudo: false
+language: c
+addons:
+  apt:
+    packages:
+    - clang-format-3.8
+
+install: true
+
+# TODO(https://bugs.debian.org/255572): install cc65 once available in Debian,
+# verify the source compiles
+script:
+  - ./travis/check-formatting.sh
diff --git a/travis/check-formatting.sh b/travis/check-formatting.sh
new file mode 100755
index 0000000..ff406be
--- /dev/null
+++ b/travis/check-formatting.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+set -e
+set -x
+
+clang-format-3.8 -i $(find . -name "*.[ch]" | tr '\n' ' ') && git diff --exit-code || (echo 'Code was not formatted using clang-format!'; false)
-- 
2.39.2