tools: notify on Slack when invalid commit lands

[aduh95]

Check every commits that land on main with core-validate-commit and send a message on Slack if it reports and error. If the commit title contains a reference to a PR in the format that GitHub uses by default, it also adds a comment to the PR.

Refs: #47111 (comment)

/cc @nodejs/tsc

[nodejs-github-bot]

Review requested:

• @nodejs/actions

[Trott]

It looks like there was a relatively recent commit (30d92e8) that this would have caught.

[mcollina]

lgtm

[nodejs-github-bot]

Landed in 8200304

[tniessen]

@aduh95 This is failing on every commit on main:

2023-03-23T15:02:14.2287511Z /home/runner/.npm/_npx/6e11f47436a5ebf9/node_modules/core-validate-commit/bin/cmd.js:154
2023-03-23T15:02:14.2288068Z     if (err) throw err
2023-03-23T15:02:14.2288380Z              ^
2023-03-23T15:02:14.2293763Z 
2023-03-23T15:02:14.2294423Z Error: Command failed: git show --quiet --format=medium f51c152f6016fdf9ad9ec6ee246f83a7b4793043
2023-03-23T15:02:14.2296634Z fatal: not a git repository (or any of the parent directories): .git
2023-03-23T15:02:14.2297302Z 
2023-03-23T15:02:14.2297652Z     at ChildProcess.exithandler (node:child_process:419:12)
2023-03-23T15:02:14.2298370Z     at ChildProcess.emit (node:events:513:28)
2023-03-23T15:02:14.2300984Z     at maybeClose (node:internal/child_process:1091:16)
2023-03-23T15:02:14.2301585Z     at Socket.<anonymous> (node:internal/child_process:449:11)
2023-03-23T15:02:14.2302024Z     at Socket.emit (node:events:513:28)
2023-03-23T15:02:14.2352414Z     at Pipe.<anonymous> (node:net:322:12) {
2023-03-23T15:02:14.2352748Z   code: 128,
2023-03-23T15:02:14.2353070Z   killed: false,
2023-03-23T15:02:14.2353359Z   signal: null,
2023-03-23T15:02:14.2353843Z   cmd: 'git show --quiet --format=medium f51c152f6016fdf9ad9ec6ee246f83a7b4793043'
2023-03-23T15:02:14.2354206Z }
2023-03-23T15:02:14.2354351Z 
2023-03-23T15:02:14.2354505Z Node.js v18.15.0
2023-03-23T15:02:14.2731777Z ##[group]Run node <<<'EOF'
2023-03-23T15:02:14.2732155Z �[36;1mnode <<<'EOF'�[0m
2023-03-23T15:02:14.2732592Z �[36;1mconst invalidCommitMessageMatch = /\s\(\#\d+\)$/.exec(process.env.COMMIT_MESSAGE);�[0m
2023-03-23T15:02:14.2732986Z �[36;1mif (match == null) process.exit(1)�[0m
2023-03-23T15:02:14.2733332Z �[36;1mconsole.log(`PR_ID=${match[0]}`)�[0m
2023-03-23T15:02:14.2733821Z �[36;1mEOF >> $GITHUB_ENV || true�[0m
2023-03-23T15:02:14.2786579Z shell: /usr/bin/bash -e {0}
2023-03-23T15:02:14.2786898Z env:
2023-03-23T15:02:14.2787182Z   INVALID_COMMIT_MESSAGE: 1
2023-03-23T15:02:14.2787825Z   COMMIT_MESSAGE: util: reduce javascript call for ToUSVString

PR-URL: https://github.com/nodejs/node/pull/47192
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
2023-03-23T15:02:14.2788303Z ##[endgroup]
2023-03-23T15:02:14.3230731Z [stdin]:1
2023-03-23T15:02:14.3233009Z EOF
2023-03-23T15:02:14.3233426Z ^
2023-03-23T15:02:14.3233963Z 
2023-03-23T15:02:14.3234300Z ReferenceError: EOF is not defined
2023-03-23T15:02:14.3234560Z     at [stdin]:1:1
2023-03-23T15:02:14.3234816Z     at Script.runInThisContext (node:vm:129:12)
2023-03-23T15:02:14.3235106Z     at Object.runInThisContext (node:vm:307:38)
2023-03-23T15:02:14.3235394Z     at node:internal/process/execution:79:19
2023-03-23T15:02:14.3235836Z     at [stdin]-wrapper:6:22
2023-03-23T15:02:14.3236102Z     at evalScript (node:internal/process/execution:78:60)
2023-03-23T15:02:14.3236382Z     at node:internal/main/eval_stdin:30:5
2023-03-23T15:02:14.3236671Z     at Socket.<anonymous> (node:internal/process/execution:195:5)
2023-03-23T15:02:14.3236955Z     at Socket.emit (node:events:525:35)
2023-03-23T15:02:14.3237231Z     at endReadableNT (node:internal/streams/readable:1359:12)
2023-03-23T15:02:14.3237411Z 
2023-03-23T15:02:14.3237489Z Node.js v18.15.0
2023-03-23T15:02:14.3270572Z ##[error]Process completed with exit code 1.

Looks like it might be more than one error causing this.