From 03073c505617ceaa9b895b8d590d39be100433ff Mon Sep 17 00:00:00 2001
From: superjom <superjom@gmail.com>
Date: Wed, 22 Nov 2017 11:38:55 +0800
Subject: [PATCH] add backend autostyle

---
 .clang_format.hook      | 15 +++++++++++++++
 .pre-commit-config.yaml | 13 ++++++++++++-
 2 files changed, 27 insertions(+), 1 deletion(-)
 create mode 100755 .clang_format.hook

diff --git a/.clang_format.hook b/.clang_format.hook
new file mode 100755
index 00000000..1d928216
--- /dev/null
+++ b/.clang_format.hook
@@ -0,0 +1,15 @@
+#!/bin/bash
+set -e
+
+readonly VERSION="3.8"
+
+version=$(clang-format -version)
+
+if ! [[ $version == *"$VERSION"* ]]; then
+    echo "clang-format version check failed."
+    echo "a version contains '$VERSION' is needed, but get '$version'"
+    echo "you can install the right version, and make an soft-link to '\$PATH' env"
+    exit -1
+fi
+
+clang-format $@
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index e4a0faf7..7cfe3b54 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -11,4 +11,15 @@
     -   id: check-symlinks
     -   id: end-of-file-fixer
     -   id: trailing-whitespace
-    -   id: check-added-large-files
\ No newline at end of file
+    -   id: detect-private-key
+    -   id: check-symlinks
+    -   id: check-added-large-files
+
+-   repo: local
+    hooks:
+    -   id: clang-format-with-version-check
+        name: clang-format
+        description: Format files with ClangFormat.
+        entry: bash ./.clang_format.hook -i
+        language: system
+        files: \.(c|cc|cxx|cpp|cu|h|hpp|hxx|proto)$
-- 
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