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|
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0-or-later
# A hook script to prevent pushing unsuitable commits to the master or
# integration branches. Criteria to determine unsuitable commits are listed
# below.
#
# Information about the commits which are being pushed is supplied as lines to
# the standard input in the form:
#
# <local ref> <local sha1> <remote ref> <remote sha1>
z40=0000000000000000000000000000000000000000
remote_name="$1"
remote_url="$2"
while read -r local_ref local_sha remote_ref remote_sha
do
case "$remote_ref" in
refs/heads/master)
;;
refs/heads/integration/*)
;;
*)
continue
esac
# If the remote branch gets deleted, there's nothing to check.
if [ "$local_sha" = $z40 ]
then
continue
fi
# Check if we are creating a new branch or updating an existing one.
if [ "$remote_sha" = $z40 ]
then
if [ "$remote_ref" = "refs/heads/master" ]
then
# There are known invalid commits in the full history,
# skip the checks if we are pushing the master branch
# (for instance to an empty repository).
continue
else
# We're pushing a new integration branch, check all
# commits on top of the master branch.
range="remotes/$remote_name/master..$local_sha"
fi
else
# Update to existing branch, examine new commits only.
range="$remote_sha..$local_sha"
fi
#
# Find invalid commits.
#
errors=0
for commit in $(git rev-list "$range")
do
msg=$(git cat-file commit "$commit")
# 1. The commit message shall not contain a local changelog.
if echo "$msg" | grep -q '^--- *$'
then
echo >&2 "Found local changelog in commit $commit"
errors=$((errors+1))
fi
# 2. The commit message shall have Signed-off-by lines
# corresponding the committer and the author.
committer=$(echo "$msg" | grep '^committer ' | head -1 | \
cut -d ' ' -f 2- | rev | cut -d ' ' -f 3- | rev)
if ! echo "$msg" | grep -F -q "Signed-off-by: ${committer}"
then
echo >&2 "Missing committer Signed-off-by in commit $commit"
errors=$((errors+1))
fi
author=$(echo "$msg" | grep '^author ' | head -1 | \
cut -d ' ' -f 2- | rev | cut -d ' ' -f 3- | rev)
if ! echo "$msg" | grep -F -q "Signed-off-by: ${author}"
then
echo >&2 "Missing author Signed-off-by in commit $commit"
errors=$((errors+1))
fi
# 3. A Reviewed-by or Acked-by is required.
if ! echo "$msg" | grep -q '^\(Reviewed\|Acked\)-by: '
then
echo >&2 "No Reviewed-by or Acked-by in commit $commit"
errors=$((errors+1))
fi
# 4. The commit message shall not contain a Change-Id.
if echo "$msg" | grep -q '^Change-Id:'
then
echo >&2 "Found Change-Id in commit $commit"
errors=$((errors+1))
fi
done
if [ $errors != 0 ]
then
echo >&2 "Found $errors errors in $local_ref, not pushing"
exit 1
fi
done
exit 0
|
