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#! /bin/sh
# BSD LICENSE
#
# Copyright 2015 6WIND S.A.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of 6WIND S.A. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Do some basic checks in MAINTAINERS file
cd $(dirname $0)/..
# speed up by ignoring Unicode details
export LC_ALL=C
# Get files matching paths with wildcards and / meaning recursing
files () # <path> [<path> ...]
{
if [ -z "$1" ] ; then
return
fi
if [ -d .git ] ; then
git ls-files "$1"
else
find "$1" -type f |
sed 's,^\./,,'
fi |
# if not ended by /
if ! echo "$1" | grep -q '/[[:space:]]*$' ; then
# filter out deeper directories
sed "/\(\/[^/]*\)\{$(($(echo "$1" | grep -o / | wc -l) + 1))\}/d"
else
cat
fi
# next path
shift
files "$@"
}
# Get all files matching F: and X: fields
parse_fx () # <index file>
{
IFS='
'
# parse each line excepted underlining
for line in $( (sed '/^-\+$/d' $1 ; echo) | sed 's,^$,§,') ; do
if echo "$line" | grep -q '^§$' ; then
# empty line delimit end of section
whitelist=$(files $flines)
blacklist=$(files $xlines)
match=$(aminusb "$whitelist" "$blacklist")
if [ -n "$whitelist" ] ; then
printf "# $title "
maintainers=$(echo "$maintainers" | sed -r 's,.*<(.*)>.*,\1,')
maintainers=$(printf "$maintainers" | sed -e 's,^,<,' -e 's,$,>,')
echo $maintainers
fi
if [ -n "$match" ] ; then
echo "$match"
fi
# flush section
unset maintainers
unset flines
unset xlines
elif echo "$line" | grep -q '^[A-Z]: ' ; then
# maintainer
maintainers=$(add_line_to_if "$line" "$maintainers" 'M: ')
# file matching pattern
flines=$(add_line_to_if "$line" "$flines" 'F: ')
# file exclusion pattern
xlines=$(add_line_to_if "$line" "$xlines" 'X: ')
else # assume it is a title
title="$line"
fi
done
}
# Check patterns in F: and X:
check_fx () # <index file>
{
IFS='
'
for line in $(sed -n 's,^[FX]: ,,p' $1 | tr '*' '#') ; do
line=$(printf "$line" | tr '#' '*')
match=$(files "$line")
if [ -z "$match" ] ; then
echo "$line"
fi
done
}
# Add a line to a set of lines if it begins with right pattern
add_line_to_if () # <new line> <lines> <head pattern>
{
(
echo "$2"
echo "$1" | sed -rn "s,^$3(.*),\1,p"
) |
sed '/^$/d'
}
# Subtract two sets of lines
aminusb () # <lines a> <lines b>
{
printf "$1\n$2\n$2" | sort | uniq -u | sed '/^$/d'
}
printf 'sections: '
parsed=$(parse_fx MAINTAINERS)
echo "$parsed" | grep -c '^#'
printf 'with maintainer: '
echo "$parsed" | grep -c '^#.*@'
printf 'maintainers: '
grep '^M:.*<' MAINTAINERS | sort -u | wc -l
echo
echo '##########'
echo '# orphan areas'
echo '##########'
echo "$parsed" | sed -rn 's,^#([^@]*)$,\1,p' | uniq
echo
echo '##########'
echo '# files not listed'
echo '##########'
all=$(files ./)
listed=$(echo "$parsed" | sed '/^#/d' | sort -u)
aminusb "$all" "$listed"
echo
echo '##########'
echo '# wrong patterns'
echo '##########'
check_fx MAINTAINERS
# TODO: check overlaps
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