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#!/usr/bin/env sh
#
# SPDX-License-Identifier: GPL-2.0-only
# DESCR: Run clang-format on white-listed directories
LC_ALL=C export LC_ALL
# until we require this by default, we need a list of opted-in directories
if [ ! -f .clang-format-scope ]; then
exit 0
fi
files_to_check=$(git log HEAD~..HEAD --format= --name-only $(cat .clang-format-scope) |grep "\.[ch]$")
# nothing to do
if [ -z "$files_to_check" ]; then
exit 0
fi
if [ $(clang-format $files_to_check | wc -l) -gt 0 ]; then
if [ "$(git diff --no-prefix HEAD~..HEAD -- $files_to_check | clang-format-diff)" != "" ]; then
echo "Coding style mismatch. The following patch fixes it:"
git diff --no-prefix HEAD~..HEAD -- $files_to_check | clang-format-diff
exit 0
fi
fi
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