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#!/bin/sh
#
# A tool to check the cherry-pick hashes from the current git commit message
# to verify that they're all on either master or stable/ branches
#
commit_hash=""
# Check if the patch is a merge patch by counting the number of parents.
# If the patch has 2 parents, then the 2nd parent is the patch we want
# to validate.
parent_number=$(git show --format='%P' --quiet | awk '{print NF}')
if [ $parent_number -eq 2 ]; then
commit_hash=$(git show --format='%P' --quiet | awk '{print $NF}')
fi
if git show --format='%aE' HEAD~ --quiet | grep -qi 'infra-root@openstack.org'; then
echo 'Bot generated change; ignoring'
exit 0
fi
hashes=$(git show --format='%b' --quiet $commit_hash | sed -nr 's/^.cherry picked from commit (.*).$/\1/p')
checked=0
branches+=""
for hash in $hashes; do
branch=$(git branch -a --contains "$hash" 2>/dev/null| grep -oE '(master|stable/[a-z0-9.]+)')
if [ $? -ne 0 ]; then
echo "Cherry pick hash $hash not on any master or stable branches"
exit 1
fi
branches+=" $branch"
checked=$(($checked + 1))
done
if [ $checked -eq 0 ]; then
if ! grep -q '^defaultbranch=stable/' .gitreview; then
echo "Checked $checked cherry-pick hashes: OK"
exit 0
else
if ! git show --format='%B' --quiet $commit_hash | grep -qi 'stable.*only'; then
echo 'Stable branch requires either cherry-pick -x headers or [stable-only] tag!'
exit 1
fi
fi
else
echo Checked $checked cherry-pick hashes on branches: $(echo $branches | tr ' ' '\n' | sort | uniq)
fi
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