numam-dpdk/scripts/check-git-log.sh
Bruce Richardson 9c24780f0d scripts: check first word of commit messages
Avoid messages starting with "It" without describing what
it is talking about.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2016-06-29 13:33:01 +02:00

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#! /bin/sh
# BSD LICENSE
#
# Copyright 2016 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.
# Check commit logs (headlines and references)
#
# If any doubt about the formatting, please check in the most recent history:
# git log --format='%>|(15)%cr %s' --reverse | grep -i <pattern>
if [ "$1" = '-h' -o "$1" = '--help' ] ; then
cat <<- END_OF_HELP
usage: $(basename $0) [-h] [range]
Check commit log formatting.
The git range can be specified as a "git log" option,
e.g. -1 to check only the latest commit.
The default range starts from origin/master to HEAD.
END_OF_HELP
exit
fi
range=${1:-origin/master..}
headlines=$(git log --format='%s' $range)
bodylines=$(git log --format='%b' $range)
tags=$(git log --format='%b' $range | grep -i -e 'by *:' -e 'fix.*:')
fixes=$(git log --format='%h %s' $range | grep -i ': *fix' | cut -d' ' -f1)
# check headline format (spacing, no punctuation, no code)
bad=$(echo "$headlines" | grep --color=always \
-e ' ' \
-e '^ ' \
-e ' $' \
-e '\.$' \
-e '[,;!?&|]' \
-e ':.*_' \
-e '^[^:]*$' \
-e ':[^ ]' \
-e ' :' \
| sed 's,^,\t,')
[ -z "$bad" ] || printf "Wrong headline format:\n$bad\n"
# check headline label for common typos
bad=$(echo "$headlines" | grep --color=always \
-e '^example[:/]' \
-e '^apps/' \
-e '^testpmd' \
-e 'test-pmd' \
-e '^bond:' \
| sed 's,^,\t,')
[ -z "$bad" ] || printf "Wrong headline label:\n$bad\n"
# check headline lowercase for first words
bad=$(echo "$headlines" | grep --color=always \
-e '^.*[A-Z].*:' \
-e ': *[A-Z]' \
| sed 's,^,\t,')
[ -z "$bad" ] || printf "Wrong headline uppercase:\n$bad\n"
# check headline uppercase (Rx/Tx, VF, L2, MAC, Linux, ARM...)
bad=$(echo "$headlines" | grep -E --color=always \
-e '\<(rx|tx|RX|TX)\>' \
-e '\<[pv]f\>' \
-e '\<l[234]\>' \
-e ':.*\<dma\>' \
-e ':.*\<pci\>' \
-e ':.*\<mtu\>' \
-e ':.*\<mac\>' \
-e ':.*\<vlan\>' \
-e ':.*\<rss\>' \
-e ':.*\<freebsd\>' \
-e ':.*\<linux\>' \
-e ':.*\<tilegx\>' \
-e ':.*\<tile-gx\>' \
-e ':.*\<arm\>' \
-e ':.*\<armv7\>' \
-e ':.*\<armv8\>' \
| sed 's,^,\t,')
[ -z "$bad" ] || printf "Wrong headline lowercase:\n$bad\n"
# check headline length (60 max)
bad=$(echo "$headlines" | awk 'length>60 {print}' | sed 's,^,\t,')
[ -z "$bad" ] || printf "Headline too long:\n$bad\n"
# check body lines length (75 max)
bad=$(echo "$bodylines" | grep -v '^Fixes:' | awk 'length>75 {print}' | sed 's,^,\t,')
[ -z "$bad" ] || printf "Line too long:\n$bad\n"
# check starting commit message with "It"
bad=$(echo "$bodylines" | head -n1 | grep -E --color=always \
-ie '^It ' \
| sed 's,^,\t,')
[ -z "$bad" ] || printf "Wrong beginning of commit message:\n$bad\n"
# check tags spelling
bad=$(echo "$tags" |
grep -v '^\(Reported\|Suggested\|Signed-off\|Acked\|Reviewed\|Tested\)-by: [^,]* <.*@.*>$' |
grep -v '^Fixes: [0-9a-f]\{7\}[0-9a-f]* (".*")$' |
sed 's,^.,\t&,')
[ -z "$bad" ] || printf "Wrong tag:\n$bad\n"
# check missing Fixes: tag
bad=$(for fix in $fixes ; do
git log --format='%b' -1 $fix | grep -q '^Fixes: ' ||
git log --format='\t%s' -1 $fix
done)
[ -z "$bad" ] || printf "Missing 'Fixes' tag:\n$bad\n"
# check Fixes: reference
IFS='
'
fixtags=$(echo "$tags" | grep '^Fixes: ')
bad=$(for fixtag in $fixtags ; do
hash=$(echo "$fixtag" | sed 's,^Fixes: \([0-9a-f]*\).*,\1,')
good="Fixes: $hash "$(git log --format='("%s")' -1 $hash 2>&-)
printf "$fixtag" | grep -v "^$good$"
done | sed 's,^,\t,')
[ -z "$bad" ] || printf "Wrong 'Fixes' reference:\n$bad\n"