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#!/bin/sh
set -e
revision_range="${1?revision range}"
valid=0
revisions=$(git rev-list --reverse "$revision_range")
total=$(echo $revisions | wc -w)
if [ "$total" -eq 0 ]; then
exit 0
fi
allowed_trailers="
Fixes
Implements
References
Link
Changelog-added
Changelog-fixed
Changelog-changed
Changelog-deprecated
Cc
Suggested-by
Requested-by
Reported-by
Co-authored-by
Signed-off-by
Tested-by
Reviewed-by
Acked-by
"
n=0
title=
fail=false
err() {
echo "error [PATCH $n/$total] '$title' $*" >&2
fail=true
}
for rev in $revisions; do
n=$((n + 1))
title=$(git log --format='%s' -1 "$rev")
fail=false
if [ "$(echo "$title" | wc -m)" -gt 72 ]; then
err "title is longer than 72 characters, please make it shorter"
fi
if ! echo "$title" | grep -qE '^[a-z0-9,{}/_-]+: '; then
err "title lacks a topic prefix (e.g. 'imap:')"
fi
author=$(git log --format='%an <%ae>' -1 "$rev")
if ! git log --format="%(trailers:key=Signed-off-by,only,valueonly,unfold)" -1 "$rev" |
grep -qFx "$author"; then
err "'Signed-off-by: $author' trailer is missing"
fi
for trailer in $(git log --format="%(trailers:only,keyonly)" -1 "$rev"); do
if ! echo "$allowed_trailers" | grep -qFx "$trailer"; then
err "trailer '$trailer' is misspelled or not in the sanctioned list"
fi
done
if git log --format="%(trailers:only,unfold)" -1 "$rev" | \
grep -vE '^Changelog-[a-z]+: [A-Z`\*_].+\.$' | \
grep -qE '^Changelog-[a-z]+: '; then
err "Changelog-* trailers should start with a capital letter and end with a period"
fi
body=$(git log --format='%b' -1 "$rev")
body=${body%$(git log --format='%(trailers)' -1 "$rev")}
if [ "$(echo "$body" | wc -w)" -lt 3 ]; then
err "body has less than three words, please describe your changes"
fi
if [ "$fail" = true ]; then
continue
fi
echo "ok [PATCH $n/$total] '$title'"
valid=$((valid + 1))
done
echo "$valid/$total valid patches"
if [ "$valid" -ne "$total" ]; then
exit 1
fi
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