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