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|
// @ts-check
const { classify } = require('../supportedBranches.js')
const { getCommitDetailsForPR } = require('./get-pr-commit-details.js')
// Supported Conventional Commit types for Project Tick
const CONVENTIONAL_TYPES = [
'build',
'chore',
'ci',
'docs',
'feat',
'fix',
'perf',
'refactor',
'revert',
'style',
'test',
]
// Known project scopes in the monorepo
const KNOWN_SCOPES = [
'archived',
'cgit',
'ci',
'cmark',
'corebinutils',
'forgewrapper',
'genqrcode',
'hooks',
'images4docker',
'json4cpp',
'libnbtplusplus',
'meshmc',
'meta',
'mnv',
'neozip',
'tomlplusplus',
'repo',
'deps',
]
/**
* Validates commit messages against Project Tick Conventional Commits conventions.
*
* Format: type(scope): subject
* type — one of: feat, fix, docs, style, refactor, perf, test, build, ci, chore, revert
* scope — optional, should match a project directory or be a known scope
* subject — imperative, no trailing period, no uppercase first letter
*
* @param {{
* github: InstanceType<import('@actions/github/lib/utils').GitHub>,
* context: import('@actions/github/lib/context').Context,
* core: import('@actions/core'),
* repoPath?: string,
* }} CheckCommitMessagesProps
*/
async function checkCommitMessages({ github, context, core, repoPath }) {
const pull_number = context.payload.pull_request?.number
if (!pull_number) {
core.info('This is not a pull request. Skipping checks.')
return
}
const pr = (
await github.rest.pulls.get({
...context.repo,
pull_number,
})
).data
const baseBranchType = classify(
pr.base.ref.replace(/^refs\/heads\//, ''),
).type
const headBranchType = classify(
pr.head.ref.replace(/^refs\/heads\//, ''),
).type
if (
baseBranchType.includes('development') &&
headBranchType.includes('development') &&
pr.base.repo.id === pr.head.repo?.id
) {
core.info(
'This PR is from one development branch to another. Skipping checks.',
)
return
}
// Skip commit lint for automated bot PRs (e.g. Dependabot)
const prAuthor = pr.user?.login || ''
if (prAuthor === 'dependabot[bot]') {
core.info(
`PR author is "${prAuthor}". Skipping commit message checks for bot PRs.`,
)
return
}
const commits = await getCommitDetailsForPR({ core, pr, repoPath })
const failures = new Set()
const warnings = new Set()
const conventionalRegex = new RegExp(
`^(${CONVENTIONAL_TYPES.join('|')})(\\(([^)]+)\\))?(!)?: .+$`,
)
for (const commit of commits) {
const msg = commit.subject
const logPrefix = `Commit ${commit.sha.slice(0, 12)}`
// Check: fixup/squash commits
const fixups = ['amend!', 'fixup!', 'squash!']
if (fixups.some((s) => msg.startsWith(s))) {
core.error(
`${logPrefix}: starts with "${fixups.find((s) => msg.startsWith(s))}". ` +
'Did you forget to run `git rebase -i --autosquash`?',
)
failures.add(commit.sha)
continue
}
// Check: Conventional Commit format
if (!conventionalRegex.test(msg)) {
core.error(
`${logPrefix}: "${msg}" does not follow Conventional Commits format. ` +
'Expected: type(scope): subject (e.g. "feat(mnv): add keybinding")',
)
failures.add(commit.sha)
continue
}
// Extract parts
const match = msg.match(conventionalRegex)
const type = match[1]
const scope = match[3] || null
// Check: trailing period
if (msg.endsWith('.')) {
core.error(
`${logPrefix}: subject should not end with a period.`,
)
failures.add(commit.sha)
}
// Warning: unknown scope
if (scope && !KNOWN_SCOPES.includes(scope)) {
core.warning(
`${logPrefix}: scope "${scope}" is not a known project. ` +
`Known scopes: ${KNOWN_SCOPES.join(', ')}`,
)
warnings.add(commit.sha)
}
// Check: subject should not start with uppercase (after type(scope): )
const subjectStart = msg.indexOf(': ') + 2
if (subjectStart < msg.length) {
const firstChar = msg[subjectStart]
if (firstChar === firstChar.toUpperCase() && firstChar !== firstChar.toLowerCase()) {
core.warning(
`${logPrefix}: subject should start with lowercase letter.`,
)
warnings.add(commit.sha)
}
}
if (!failures.has(commit.sha)) {
core.info(`${logPrefix}: "${msg}" — passed.`)
}
}
if (failures.size !== 0) {
core.error(
'Please review the Conventional Commits guidelines at ' +
'<https://www.conventionalcommits.org/> and the project CONTRIBUTING.md.',
)
core.setFailed(
`${failures.size} commit(s) do not follow commit conventions.`,
)
} else if (warnings.size !== 0) {
core.warning(
`${warnings.size} commit(s) have minor issues (see warnings above).`,
)
}
}
module.exports = checkCommitMessages
|
