Files
elasticsearch-js/.github/workflows/serverless-patch.sh

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#!/usr/bin/env bash
set -exuo pipefail
merge_commit_sha=$(jq -r '.pull_request.merge_commit_sha' "$GITHUB_EVENT_PATH")
pull_request_id=$(jq -r '.pull_request.number' "$GITHUB_EVENT_PATH")
pr_shortcode="elastic/elasticsearch-js#$pull_request_id"
# generate patch file
cd "$GITHUB_WORKSPACE/stack"
git format-patch -1 --stdout "$merge_commit_sha" > /tmp/patch.diff
# apply patch file
cd "$GITHUB_WORKSPACE/serverless"
git checkout -b "apply-patch-$pull_request_id"
git am -C1 --reject /tmp/patch.diff || git am --quit
# generate PR body comment
comment="Patch applied from $pr_shortcode"
# enumerate rejected patches in PR comment
has_rejects='false'
for f in ./**/*.rej; do
has_rejects='true'
comment="$comment
## Rejected patch \`$f\` must be resolved:
\`\`\`diff
$(cat "$f")
\`\`\`
"
done
# send data to output parameters
{
echo "PR_BODY='$comment'"
echo "PR_DRAFT=$has_rejects"
} >> "$GITHUB_OUTPUT"