From 19ac465fa48577e29dbebb3e7b28e7d4b79d7fed Mon Sep 17 00:00:00 2001
From: "Daniel J. Hofmann" <daniel@trvx.org>
Date: Mon, 1 Feb 2016 15:36:08 +0100
Subject: [PATCH] Provides a script to clang-format the repository in parallel

---
 scripts/format.sh | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100755 scripts/format.sh

diff --git a/scripts/format.sh b/scripts/format.sh
new file mode 100755
index 000000000..561db8756
--- /dev/null
+++ b/scripts/format.sh
@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+# Runs the Clang Formatter in parallel on the code base.
+# Return codes:
+#  - 1 there are files to be formatted
+#  - 0 everything looks fine
+
+set -eu -o pipefail
+
+find src include unit_tests example -type f -name '*.hpp' -o -name '*.cpp' \
+  | xargs -I{} -P $(nproc) clang-format -i -style=file {}
+
+
+dirty=$(git ls-files --modified)
+
+if [[ $dirty ]]; then
+    echo "The following files do not adhere to the .clang-format style file:"
+    echo $dirty
+    exit 1
+else
+    exit 0
+fi