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#!/bin/bash
##########################################################################
# 2021 Anton Gladky #
# 2021 Janek Kozicki #
# #
# This program is free software; it is licensed under the terms of the #
# GNU General Public License v2 or later. See file LICENSE for details. #
##########################################################################
#
# Let us use this script on python scripts added or changed in new Merge
# Requests. Eventually all the scripts will be nicely formatted.
#
# Warning: we are still looking for optimal flags (or a better formatter).
#
# invoke:
# scripts/python-formatter.sh ./Directory optionally-yapf3-executable
# scripts/python-formatter.sh ./SingleFile optionally-yapf3-executable
FORMATTER=yapf3
SKIP="NO"
if [ "$#" -ne 1 ]; then
if [ "$#" -eq 2 ]; then
if [ ${2} = "--allow-dirty" ]; then
SKIP="YES"
else
echo "Assuming that the yapf3 executable is ${2}"
FORMATTER=${2}
fi
else
echo "Please invoke this script with either one file or one directory as argument."
echo "Optionally as second argument pass the yapf3 executable to use."
echo "Or use second argument --allow-dirty to allow uncommitted changes while formatting."
exit 1
fi
fi
git diff-index --quiet HEAD --
CLEAN=$?
if [ ${CLEAN} -ne 0 ] && [ ${SKIP} = "NO" ]; then
echo "There are uncommitted changes in git directory. Do 'git stash' or 'git commit'."
echo "Reformatting on top of uncommited files will only cause trouble."
exit 1
fi
function finish-print-stats {
echo "Formatting finished. If the changes are a mistake you can call: 'git reset --hard'."
git diff --shortstat
exit 0
}
if [ ! -d "${1}" ]; then
if [ -f "${1}" ]; then
FILE=${1}
extension=${FILE##*.}
echo "File extension: "${extension}
if [ "${extension}" = "py" ]; then
echo "Formatting Python with yapf3"
${FORMATTER} --style='{based_on_style: google; column_limit: 160; use_tabs: True; dedent_closing_brackets: True; indent_width = 8; continuation_indent_width = 8 }' -i ${1}
else
echo "Please use scripts/clang-formatter.sh for formatting C++ code"
fi
finish-print-stats
else
echo "${1} is neither a file nor a directory"
exit 1
fi
else
echo "Running yapf3 (from packages python3-yapf yapf3). It is slow, so use 8 cores with: -P 8"
find ${1} -iname *.py -print0 | xargs -0 -P 8 -I'{}' ${FORMATTER} --style='{based_on_style: google; column_limit: 160; use_tabs: True; dedent_closing_brackets: True; indent_width = 8; continuation_indent_width = 8 }' -i {}
finish-print-stats
fi
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