commits=$(git log --format='%h' $range)
headlines=$(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' $range | grep -i ': *fix' | cut -d' ' -f1)
+tags=$(git log --format='%b' $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 \
| 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}' | sed 's,^,\t,')
+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,')
+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"
# check tags spelling
bad=$(echo "$tags" |
- grep -v '^\(Reported\|Suggested\|Signed-off\|Acked\|Reviewed\|Tested\)-by: [^,]* <.*@.*>$' |
+ grep -v "^$bytag [^,]* <.*@.*>$" |
grep -v '^Fixes: [0-9a-f]\{7\}[0-9a-f]* (".*")$' |
sed 's,^.,\t&,')
[ -z "$bad" ] || printf "Wrong tag:\n$bad\n"
+# check blank line after last Fixes: tag
+bad=$(echo "$bodylines" |
+ sed -n 'N;/\nFixes:/D;/\n$/D;/^Fixes:/P' |
+ sed 's,^.,\t&,')
+[ -z "$bad" ] || printf "Missing blank line after 'Fixes' tag:\n$bad\n"
+
# check missing Fixes: tag
bad=$(for fix in $fixes ; do
git log --format='%b' -1 $fix | grep -q '^Fixes: ' ||