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name: 'Markdown linter' | ||
on: | ||
pull_request: | ||
branches: | ||
- main | ||
paths: | ||
- '**.md' | ||
# Remove all permissions by default | ||
permissions: {} | ||
jobs: | ||
markdown-linter: | ||
runs-on: ubuntu-latest | ||
permissions: | ||
contents: read | ||
steps: | ||
- name: Install mardownlint | ||
run: npm install -g [email protected] | ||
- name: Checkout project | ||
uses: actions/checkout@v3 | ||
- name: Execute markdownlint | ||
env: | ||
DIFF_URL: "${{github.event.pull_request.diff_url}}" | ||
TEMP_FILE: "${{runner.temp}}/pr-${{github.event.number}}.diff" | ||
run: | | ||
# This request doesn't consume API calls. | ||
curl -Lkso $TEMP_FILE $DIFF_URL | ||
files_changed="$(sed -nr 's/[\-\+]{3} [ab]\/(.*)/\1/p' $TEMP_FILE | sort | uniq)" | ||
md_files="$(echo "$files_changed" | grep -o ".*\.md$" | sort | uniq || true)" | ||
# Create an empty file, useful when the PR changes ignored files | ||
touch ${{runner.temp}}/output | ||
exit_code=0 | ||
markdownlint -o ${{runner.temp}}/output ${md_files[@]} || exit_code=$? | ||
while read -r line; do | ||
# line format: | ||
# file:row[:column] message | ||
# white space inside brackets is intentional to detect the message for the notice. | ||
message="${line#*[ ]}" | ||
file_row_column="${line%%[ ]*}" | ||
# Split by ':' | ||
readarray -d : -t strarr < <(printf '%s' "$file_row_column") | ||
if [[ "${#strarr[@]}" -eq 3 ]]; then | ||
echo "::warning file=${strarr[0]},line=${strarr[1]},col=${strarr[2]}::${message}" | ||
elif [[ "${#strarr[@]}" -eq 2 ]]; then | ||
echo "::warning file=${strarr[0]},line=${strarr[1]}::${message}" | ||
else | ||
echo "::warning:: Error processing: ${line}" | ||
fi | ||
done < ${{runner.temp}}/output | ||
if [[ $exit_code -ne 0 ]]; then | ||
echo "::error:: Please review linter messages" | ||
exit "$exit_code" | ||
fi |