kicad/tools/check_coding.sh

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#!/usr/bin/env bash
# This program source code file is part of KICAD, a free EDA CAD application.
#
# Copyright (C) 2019 Kicad Developers, see AUTHORS.txt for contributors.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, you may find one here:
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# or you may search the http://www.gnu.org website for the version 2 license,
# or you may write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
# Simple program to check and fix formatting in KiCad source files,
# while ignoring violations in "uncontrolled" files, such as generated files
# or 3rd party sources.
usage='usage: check_coding.sh [<options>] [--]
--help Print usage plus more detailed help.
--diff Only show proposed changes, do not format files
--cached Re-format changes currently staged for commit (default)
--amend Re-format changes made in the previous commit
'
help="$usage"'
Example to format cached files:
check_coding.sh
To show what would be done:
check_coding.sh --diff
'
die() {
echo "$@" 1>&2; exit 1
}
# Parse command-line arguments.
diff=false
mode='cached'
while test "$#" != 0; do
case "$1" in
--diff) diff=true ;;
--amend) mode='amend' ;;
--cached) mode='cached' ;;
--) shift ; break ;;
-*) die "$usage" ;;
*) break ;;
esac
shift
done
test "$#" = 0 || die "$usage"
# This is the main KiCad formatting attribute
# used by .gitattributes to mark KiCad source files
format_attribute="format.clang-format-kicad"
format_commit='HEAD'
# Select the git file list command and the commit to check
case "${mode}" in
'') echo "$usage"; exit 0 ;;
amend)
# Files changed by the last commit
git_list_files='git diff-tree --diff-filter=ACM --name-only HEAD -r --no-commit-id'
format_commit='HEAD^'
;;
cached)
# Currently staged files
git_list_files='git diff-index --diff-filter=ACM --name-only HEAD --cached'
;;
*) die "Invalid mode: $mode" ;;
esac
if [ "${diff}" = true ]; then
# Only show the proposed changes
format_command="git clang-format --diff ${format_commit}"
else
# Actually make the changes
format_command="git clang-format ${format_commit}"
fi
${git_list_files} |
# Filter sources with the formatting attribute set
git check-attr ${format_attribute} --stdin |
# output only the file names
grep ": set$" |
cut -d: -f1 |
# Apply the formatting command
xargs -d '\n' ${format_command}