| #!/usr/bin/env bash |
| |
| # Shell script to lint the message of the first commit in a pull request. |
| # |
| # Depends on curl, git, node, npm and npx being in $PATH. |
| # |
| # The pull request is either: |
| # 1) supplied as an argument to this shell script |
| # 2) derived from the HEAD commit via the GitHub API |
| |
| GH_API_URL="https://api.github.com" |
| PR_ID=$1; |
| if [ -z "${PR_ID}" ]; then |
| # Attempt to work out the PR number based on current HEAD |
| if HEAD_COMMIT="$( git rev-parse HEAD )"; then |
| if SEARCH_RESULTS="$( curl -s ${GH_API_URL}/search/issues?q=sha:${HEAD_COMMIT}+type:pr+repo:nodejs/node )"; then |
| if FOUND_PR="$( node -p 'JSON.parse(process.argv[1]).items[0].number' "${SEARCH_RESULTS}" 2> /dev/null )"; then |
| PR_ID=${FOUND_PR} |
| fi |
| fi |
| fi |
| fi |
| if [ -z "${PR_ID}" ]; then |
| echo "Unable to determine the pull request number to check. Please specify, " |
| echo " e.g. $0 <PR_NUMBER>" |
| exit 1 |
| fi |
| |
| PATCH=$( curl -sL https://github.com/nodejs/node/pull/${PR_ID}.patch | grep '^From ' ) |
| if FIRST_COMMIT="$( echo "$PATCH" | awk '/^From [0-9a-f]{40} / { if (count++ == 0) print $2 }' )"; then |
| MESSAGE=$( git show --quiet --format='format:%B' $FIRST_COMMIT ) |
| echo " |
| *** Linting the first commit message for pull request ${PR_ID} |
| *** according to the guidelines at https://goo.gl/p2fr5Q. |
| *** Commit message for $(echo $FIRST_COMMIT | cut -c 1-10) is: |
| ${MESSAGE} |
| " |
| npx -q core-validate-commit --no-validate-metadata "${FIRST_COMMIT}" |
| fi |
