nova/tools/check-cherry-picks.sh
Lee Yarwood 610396f8ad tools: Allow check-cherry-picks.sh to be disabled by an env var
The checks performed by this script aren't always useful to downstream
consumers of the repo so allow them to disable the script without having
to make changes to tox.ini.

Change-Id: I4f551dc4b57905cab8aa005c5680223ad1b57639
2020-12-07 12:53:42 +00:00

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1.5 KiB
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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
#
# Allow this script to be disabled by a simple env var
if [ ${DISABLE_CHERRY_PICK_CHECK:-0} -eq 1 ]; then
exit 0
fi
commit_hash=""
# Check if the patch is a merge patch by counting the number of parents.
# If the patch has 2 parents, then the 2nd parent is the patch we want
# to validate.
parent_number=$(git show --format='%P' --quiet | awk '{print NF}')
if [ $parent_number -eq 2 ]; then
commit_hash=$(git show --format='%P' --quiet | awk '{print $NF}')
fi
hashes=$(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-z]+)')
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