range=${1:-origin/master..}
-commits=$(git log --format='%h' $range)
-headlines=$(git log --format='%s' $range)
-bodylines=$(git log --format='%b' $range)
-fixes=$(git log --format='%h %s' $range | grep -i ': *fix' | cut -d' ' -f1)
-tags=$(git log --format='%b' $range | grep -i -e 'by *:' -e 'fix.*:')
+commits=$(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 $range | grep -i ': *fix' | cut -d' ' -f1)
+tags=$(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)
| 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 "$headline" | grep -v "^$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[:/]' \
bad=$(echo "$headlines" | grep -E --color=always \
-e '\<(rx|tx|RX|TX)\>' \
-e '\<[pv]f\>' \
+ -e '\<[hsf]w\>' \
-e '\<l[234]\>' \
+ -e ':.*\<api\>' \
-e ':.*\<dma\>' \
-e ':.*\<pci\>' \
-e ':.*\<mtu\>' \
-e ':.*\<mac\>' \
+ -e ':.*\<numa\>' \
-e ':.*\<vlan\>' \
-e ':.*\<rss\>' \
-e ':.*\<freebsd\>' \
| 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}' |
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 | grep -q '^\*' ; then
+ 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"