packer-cn/scripts/prepare_changelog.sh

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#!/bin/zsh
LAST_RELEASE=$1
DO_PR_CHECK=1
set -o pipefail
is_doc_or_tech_debt_pr(){
if ! (($+commands[jq])); then
DO_PR_CHECK=0
echo "jq not found"
return 1
fi
out=$(cat pull.json | python -m json.tool \
| jq '[.labels[].name == "docs" or .labels[].name == "tech-debt" or .labels[].name == "website"] | any')
grep -q true <<< $out
return $?
}
if [ -z $LAST_RELEASE ]; then
echo "you need to give the previous release version. prepare_changelog.sh v<version>"
exit 1
fi
get_prs(){
# git log v0.10.2...c3861d167533fb797b0fae0c380806625712e5f7 |
git log HEAD...${LAST_RELEASE} --first-parent --oneline --grep="Merge pull request #[0-9]\+" --grep="(#[0-9]\+)$" |
grep -o "#\([0-9]\+\)" | awk -F\# '{print $2}' | while read line
do
grep -q "GH-${line}" CHANGELOG.md
if [ $? -ne 0 ]; then
echo $line
fi
done | while read PR_NUM
do
if [[ -z "${GITHUB_TOKEN}" ]] || [[ -z "${GITHUB_USERNAME}" ]] ; then
out=$(curl -fsS "https://api.github.com/repos/hashicorp/packer/issues/${PR_NUM}" -o pull.json)
else
# authenticated call
out=$(curl -u ${GITHUB_USERNAME}:${GITHUB_TOKEN} -fsS "https://api.github.com/repos/hashicorp/packer/issues/${PR_NUM}" -o pull.json)
fi
exy="$?"
if [ $exy -ne 0 ]; then
echo "bad response from github: manually check PR ${PR_NUM}"
continue
fi
if (($DO_PR_CHECK)) && is_doc_or_tech_debt_pr; then
echo "Skipping PR ${PR_NUM}: labeled as tech debt, docs or website. (waiting a second so we don't get rate-limited...)"
continue
fi
echo "$(cat pull.json | python -m json.tool | jq '.title') - https://github.com/hashicorp/packer/pull/${PR_NUM}"
done
}
#is_doc_or_tech_debt_pr 52061111
# is_doc_or_tech_debt_pr 5206 # non-doc pr
#is_doc_or_tech_debt_pr 5434 # doc pr
#echo $?
#exit
# prpid=$!
# trap 'kill -9 ${prpid}; exit' INT TERM
get_prs | while read line; do
echo $line
if [[ "$line" =~ "bad" ]]; then
exit 1
elif [[ "$line" =~ "Skipping" ]]; then
sleep 1 # GH will rate limit us if we have several in a row
continue
fi
rm -f pull.json
vared -ch ok
done
#TODO: just generate it automatically using PR titles and tags