aboutsummaryrefslogtreecommitdiffstats
path: root/devtools/check-git-log.sh
blob: 910daba42fdbcf3040616033e6154257b2569554 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
#! /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

selfdir=$(dirname $(readlink -f $0))
range=${1:-origin/master..}
# convert -N to HEAD~N.. in order to comply with git-log-fixes.sh getopts
if printf -- $range | grep -q '^-[0-9]\+' ; then
	range="HEAD$(printf -- $range | sed 's,^-,~,').."
fi

commits=$(git log --format='%h' --reverse $range)
headlines=$(git log --format='%s' --reverse $range)
bodylines=$(git log --format='%b' --reverse $range)
fixes=$(git log --format='%h %s' --reverse $range | grep -i ': *fix' | cut -d' ' -f1)
stablefixes=$($selfdir/git-log-fixes.sh $range | sed '/(N\/A)$/d'  | cut -d' ' -f2)
tags=$(git log --format='%b' --reverse $range | grep -i -e 'by *:' -e 'fix.*:')
bytag='\(Reported\|Suggested\|Signed-off\|Acked\|Reviewed\|Tested\)-by:'

# 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 prefix when touching only drivers, e.g. net/<driver name>
bad=$(for commit in $commits ; do
	headline=$(git log --format='%s' -1 $commit)
	files=$(git diff-tree --no-commit-id --name-only -r $commit)
	[ -z "$(echo "$files" | grep -v '^\(drivers\|doc\|config\)/')" ] ||
		continue
	drv=$(echo "$files" | grep '^drivers/' | cut -d "/" -f 2,3 | sort -u)
	drvgrp=$(echo "$drv" | cut -d "/" -f 1 | uniq)
	if [ $(echo "$drvgrp" | wc -l) -gt 1 ] ; then
		echo "$headline" | grep -v '^drivers:'
	elif [ $(echo "$drv" | wc -l) -gt 1 ] ; then
		echo "$headline" | grep -v "^drivers/$drvgrp"
	else
		echo "$headline" | grep -v "^$drv"
	fi
done | sed 's,^,\t,')
[ -z "$bad" ] || printf "Wrong headline prefix:\n$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 ':.*\<[hsf]w\>' \
	-e ':.*\<l[234]\>' \
	-e ':.*\<api\>' \
	-e ':.*\<arm\>' \
	-e ':.*\<armv7\>' \
	-e ':.*\<armv8\>' \
	-e ':.*\<crc\>' \
	-e ':.*\<dma\>' \
	-e ':.*\<freebsd\>' \
	-e ':.*\<linux\>' \
	-e ':.*\<lro\>' \
	-e ':.*\<lsc\>' \
	-e ':.*\<mac\>' \
	-e ':.*\<mtu\>' \
	-e ':.*\<nic\>' \
	-e ':.*\<nvm\>' \
	-e ':.*\<numa\>' \
	-e ':.*\<pci\>' \
	-e ':.*\<pmd\>' \
	-e ':.*\<rss\>' \
	-e ':.*\<tso\>' \
	-e ':.*\<[Vv]lan\>' \
	-e ':.*\<vsi\>' \
	| sed 's,^,\t,')
[ -z "$bad" ] || printf "Wrong headline lowercase:\n$bad\n"

# special case check for VMDq to give good error message
bad=$(echo "$headlines" | grep -E --color=always \
	-e '\<(vmdq|VMDQ)\>' \
	| sed 's,^,\t,')
[ -z "$bad" ] || printf "Wrong headline capitalization, use 'VMDq':\n$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=$(for commit in $commits ; do
	firstbodyline=$(git log --format='%b' -1 $commit | head -n1)
	echo "$firstbodyline" | grep --color=always -ie '^It '
done | sed 's,^,\t,')
[ -z "$bad" ] || printf "Wrong beginning of commit message:\n$bad\n"

# check tags spelling
bad=$(echo "$tags" |
	grep -v "^$bytag [^,]* <.*@.*>$" |
	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,')
	if git branch --contains $hash 2>&- | grep -q '^\*' ; then
		good="Fixes: $hash "$(git log --format='("%s")' -1 $hash 2>&-)
	else
		good="reference not in current branch"
	fi
	printf "$fixtag" | grep -v "^$good$"
done | sed 's,^,\t,')
[ -z "$bad" ] || printf "Wrong 'Fixes' reference:\n$bad\n"

# check Cc: stable@dpdk.org for fixes
bad=$(for fix in $stablefixes ; do
	git log --format='%b' -1 $fix | grep -qi '^Cc: *stable@dpdk.org' ||
		git log --format='\t%s' -1 $fix
done)
[ -z "$bad" ] || printf "Is it candidate for Cc: stable@dpdk.org backport?\n$bad\n"