mirror of https://github.com/OpenVPN/openvpn-gui
Switch to pre-commit to enforce formatting
Do not use the old uncrustify hook anymore. Signed-off-by: Frank Lichtenheld <frank@lichtenheld.com>pull/720/head
Frank Lichtenheld
parent
d2bcb940dc
commit
054996c47a
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@ -0,0 +1,6 @@
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repos:
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- repo: https://github.com/pre-commit/mirrors-clang-format
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rev: 'v19.1.4'
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hooks:
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- id: clang-format
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files: \.[ch]$
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@ -1,161 +0,0 @@
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#!/bin/sh
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# Copyright (c) 2015, David Martin
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# 2022, Heiko Hund
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# git pre-commit hook that runs an Uncrustify stylecheck.
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# Features:
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# - abort commit when commit does not comply with the style guidelines
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# - create a patch of the proposed style changes
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#
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# More info on Uncrustify: http://uncrustify.sourceforge.net/
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# This file was taken from a set of unofficial pre-commit hooks available
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# at https://github.com/ddddavidmartin/Pre-commit-hooks and modified to
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# fit the openvpn project's needs
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# exit on error
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set -e
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# If called so, install this script as pre-commit hook
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if [ "$1" = "install" ] ; then
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TARGET="$(git rev-parse --git-path hooks)/pre-commit"
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if [ -e "$TARGET" ] ; then
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printf "$TARGET file exists. Won't overwrite.\n"
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printf "Aborting installation.\n"
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exit 1
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fi
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read -p "Install as $TARGET? [y/N] " INPUT
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[ "$INPUT" = "y" ] || exit 0
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cp "$0" "$TARGET"
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chmod +x $TARGET
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exit 0
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fi
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# check whether the given file matches any of the set extensions
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matches_extension() {
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local filename="$(basename -- "$1")"
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local extension=".${filename##*.}"
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local ext
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for ext in .c .h ; do [ "$ext" = "$extension" ] && return 0; done
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return 1
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}
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# necessary check for initial commit
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if git rev-parse --verify HEAD >/dev/null 2>&1 ; then
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against=HEAD
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else
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# Initial commit: diff against an empty tree object
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against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
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fi
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UNCRUSTIFY=$(command -v uncrustify)
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UNCRUST_CONFIG="$(git rev-parse --show-toplevel)/dev-tools/uncrustify.conf"
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# make sure the config file and executable are correctly set
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if [ ! -f "$UNCRUST_CONFIG" ] ; then
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printf "Error: uncrustify config file not found.\n"
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printf "Expected to find it at $UNCRUST_CONFIG.\n"
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printf "Aborting commit.\n"
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exit 1
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fi
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if [ -z "$UNCRUSTIFY" ] ; then
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printf "Error: uncrustify executable not found.\n"
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printf "Is it installed and in your \$PATH?\n"
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printf "Aborting commit.\n"
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exit 1
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fi
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# create a filename to store our generated patch
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patch=$(mktemp /tmp/ovpn-fmt-XXXXXX)
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tmpout=$(mktemp /tmp/uncrustify-XXXXXX)
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# create one patch containing all changes to the files
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# sed to remove quotes around the filename, if inserted by the system
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# (done sometimes, if the filename contains special characters, like the quote itself)
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git diff-index --cached --diff-filter=ACMR --name-only $against -- | \
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sed -e 's/^"\(.*\)"$/\1/' | \
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while read file
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do
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# ignore file if we do check for file extensions and the file
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# does not match the extensions .c or .h
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if ! matches_extension "$file"; then
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continue;
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fi
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# escape special characters in the target filename:
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# phase 1 (characters escaped in the output diff):
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# - '\': backslash needs to be escaped in the output diff
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# - '"': quote needs to be escaped in the output diff if present inside
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# of the filename, as it used to bracket the entire filename part
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# phase 2 (characters escaped in the match replacement):
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# - '\': backslash needs to be escaped again for sed itself
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# (i.e. double escaping after phase 1)
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# - '&': would expand to matched string
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# - '|': used as sed split char instead of '/'
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# printf %s particularly important if the filename contains the % character
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file_escaped_target=$(printf "%s" "$file" | sed -e 's/[\"]/\\&/g' -e 's/[\&|]/\\&/g')
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# uncrustify our sourcefile, create a patch with diff and append it to our $patch
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# The sed call is necessary to transform the patch from
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# --- - timestamp
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# +++ $tmpout timestamp
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# to both lines working on the same file and having a a/ and b/ prefix.
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# Else it can not be applied with 'git apply'.
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git show ":$file" | "$UNCRUSTIFY" -q -l C -c "$UNCRUST_CONFIG" -o "$tmpout"
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git show ":$file" | diff -u -- - "$tmpout" | \
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sed -e "1s|--- -|--- \"b/$file_escaped_target\"|" -e "2s|+++ $tmpout|+++ \"a/$file_escaped_target\"|" >> "$patch"
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done
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rm -f "$tmpout"
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# if no patch has been generated all is ok, clean up the file stub and exit
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if [ ! -s "$patch" ] ; then
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rm -f "$patch"
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exit 0
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fi
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# a patch has been created, notify the user and exit
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printf "Formatting of some code does not follow the project guidelines.\n"
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if [ $(wc -l < $patch) -gt 80 ] ; then
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printf "The file $patch contains the necessary fixes.\n"
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else
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printf "Here's the patch that fixes the formatting:\n\n"
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cat $patch
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fi
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printf "\nYou can apply these changes with:\n git apply $patch\n"
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printf "(from the root directory of the repository) and then commit again.\n"
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printf "\nAborting commit.\n"
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exit 1
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