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#!/bin/bash
# Reformat C++ code using clang-format
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
ROOT_DIR=$SCRIPT_DIR/..
# note: with the -style=file option, clang-format reads the config from ./.clang-format
# See here for the full list of supported options: https://clang.llvm.org/docs/ClangFormatStyleOptions.html
FORMAT_CMD_CLANG_FORMAT="clang-format -i -style=file"
FORMAT_CMD_UNCRUSTIFY="uncrustify -c "$ROOT_DIR/.uncrustify.cfg" --no-backup"
FORMAT_CMD=$FORMAT_CMD_UNCRUSTIFY
# Filter out any files that shouldn't be auto-formatted.
# note: -v flag inverts selection - this tells grep to *filter out* anything
# that matches the pattern. For testing, you can remove the -v to ssee
# which files would have been excluded.
FILTER_CMD="grep -v -E ext/"
function reformat_all() {
find "$ROOT_DIR/src" -name "*.h" -o -name "*.hpp" -o -name "*.cc" -o -name "*.cpp" \
| $FILTER_CMD \
| xargs $FORMAT_CMD
}
# reformat files that differ from master.
DIFFBASE="origin/master"
function reformat_changed() {
ANCESTOR=$(git merge-base HEAD "$DIFFBASE")
FILES=$(git --no-pager diff --name-only $ANCESTOR | grep -E "\.(h|hpp|cc|cpp)" | $FILTER_CMD)
if [ $? -ne 0 ]; then
echo "No files to format, exiting..."
else
echo -e "Reformatting files:\n$FILES"
echo $FILES | xargs $FORMAT_CMD
fi
}
# main
if [ "`echo $* | grep clang`" ]; then
FORMAT_CMD=$FORMAT_CMD_CLANG_FORMAT
fi
if [ "`echo $* | grep -- --all`" ]; then
echo "Reformatting all files..."
reformat_all
else
echo "Reformatting files that differ from $DIFFBASE..."
reformat_changed
fi
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