#!/bin/bash
|
|
# This hook purpose is to keep coding style consistent between all developers
|
# It is automatically installed in .git/hooks folder by cmake on first run.
|
|
# From https://github.com/tatsuhiro-t/nghttp2/blob/master/pre-commit
|
|
git_clang_format_path="$(which git-clang-format)"
|
clang_format_path=$(find /usr/bin /usr/local/bin/ -name 'clang-format-diff*' -type f -maxdepth 1 | tail -n1)
|
|
|
function git-clang-format-diffing {
|
options="--style=file"
|
|
#only diffing commited files, ignored staged one
|
$git_clang_format_path $options --diff $(git --no-pager diff --cached --name-status | grep -v '^D' | cut -f2) > diff-format.patch
|
|
if grep -q -E '(no modified files to format|clang-format did not modify any files)' diff-format.patch; then
|
rm diff-format.patch
|
fi
|
}
|
|
function clang-format-diff-diffing {
|
options="-style file"
|
|
git diff-index --cached --diff-filter=ACMR -p HEAD -- | $clang_format_path $options -p1 > file-format.patch
|
if [ ! -s file-format.patch ]; then
|
rm file-format.patch
|
fi
|
}
|
|
set -e
|
|
if [ -z "$git_clang_format_path$clang_format_path" ]; then
|
echo "$0: Please install clang-format (coding style checker) - could not find git-clang-format nor clang-format-diff in PATH. Skipping code verification..."
|
exit 0
|
fi
|
|
if [ ! -z "$git_clang_format_path" ]; then
|
git-clang-format-diffing
|
fi
|
|
if [ ! -z "$clang_format_path" ]; then
|
# Warning! We need at least version 1.6...
|
clang-format-diff-diffing
|
fi
|
|
if [ -f diff-format.patch ] || [ -f file-format.patch ]; then
|
[ -f diff-format.patch ] && cat diff-format.patch
|
echo "**********************************************************************"
|
echo "$0: Invalid coding style detected. Please correct it using one of the following:"
|
echo "* Reformat these lines manually."
|
[ -f diff-format.patch ] && printf "* Apply diff patch using:\n\tcd $(git rev-parse --show-toplevel) && git apply diff-format.patch\n"
|
[ -f file-format.patch ] && printf "* Apply diff patch using:\n\tpatch -p0 < file-format.patch\n"
|
echo "*** Aborting commit.***"
|
exit 1
|
fi
|