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