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import {URL} from 'url'
import {IGitCommandManager} from './git-command-manager'
import * as core from '@actions/core'
import * as github from '@actions/github'
export interface ICheckoutInfo {
ref: string
startPoint: string
}
export async function getCheckoutInfo(
git: IGitCommandManager,
ref: string,
commit: string
): Promise<ICheckoutInfo> {
if (!git) {
throw new Error('Arg git cannot be empty')
}
if (!ref && !commit) {
throw new Error('Args ref and commit cannot both be empty')
}
const result = ({} as unknown) as ICheckoutInfo
const upperRef = (ref || '').toUpperCase()
// SHA only
if (!ref) {
result.ref = commit
}
// refs/heads/
else if (upperRef.startsWith('REFS/HEADS/')) {
const branch = ref.substring('refs/heads/'.length)
result.ref = branch
result.startPoint = `refs/remotes/origin/${branch}`
}
// refs/pull/
else if (upperRef.startsWith('REFS/PULL/')) {
const branch = ref.substring('refs/pull/'.length)
result.ref = `refs/remotes/pull/${branch}`
}
// refs/tags/
else if (upperRef.startsWith('REFS/')) {
result.ref = ref
}
// Unqualified ref, check for a matching branch or tag
else {
if (await git.branchExists(true, `origin/${ref}`)) {
result.ref = ref
result.startPoint = `refs/remotes/origin/${ref}`
} else if (await git.tagExists(`${ref}`)) {
result.ref = `refs/tags/${ref}`
} else {
throw new Error(
`A branch or tag with the name '${ref}' could not be found`
)
}
}
return result
}
export function getRefSpec(ref: string, commit: string): string[] {
if (!ref && !commit) {
throw new Error('Args ref and commit cannot both be empty')
}
const upperRef = (ref || '').toUpperCase()
// SHA
if (commit) {
// refs/heads
if (upperRef.startsWith('REFS/HEADS/')) {
const branch = ref.substring('refs/heads/'.length)
return [`+${commit}:refs/remotes/origin/${branch}`]
}
// refs/pull/
else if (upperRef.startsWith('REFS/PULL/')) {
const branch = ref.substring('refs/pull/'.length)
return [`+${commit}:refs/remotes/pull/${branch}`]
}
// refs/tags/
else if (upperRef.startsWith('REFS/TAGS/')) {
return [`+${commit}:${ref}`]
}
// Otherwise no destination ref
else {
return [commit]
}
}
// Unqualified ref, check for a matching branch or tag
else if (!upperRef.startsWith('REFS/')) {
return [
`+refs/heads/${ref}*:refs/remotes/origin/${ref}*`,
`+refs/tags/${ref}*:refs/tags/${ref}*`
]
}
// refs/heads/
else if (upperRef.startsWith('REFS/HEADS/')) {
const branch = ref.substring('refs/heads/'.length)
return [`+${ref}:refs/remotes/origin/${branch}`]
}
// refs/pull/
else if (upperRef.startsWith('REFS/PULL/')) {
const branch = ref.substring('refs/pull/'.length)
return [`+${ref}:refs/remotes/pull/${branch}`]
}
// refs/tags/
else {
return [`+${ref}:${ref}`]
}
}
export async function checkCommitInfo(
token: string,
commitInfo: string,
repositoryOwner: string,
repositoryName: string,
ref: string,
commit: string
): Promise<void> {
try {
// GHES?
if (isGhes()) {
return
}
// Auth token?
if (!token) {
return
}
// Public PR synchronize, for workflow repo?
if (
fromPayload('repository.private') !== false ||
github.context.eventName !== 'pull_request' ||
fromPayload('action') !== 'synchronize' ||
repositoryOwner !== github.context.repo.owner ||
repositoryName !== github.context.repo.repo ||
ref !== github.context.ref ||
!ref.startsWith('refs/pull/') ||
commit !== github.context.sha
) {
return
}
// Head SHA
const expectedHeadSha = fromPayload('after')
if (!expectedHeadSha) {
core.debug('Unable to determine head sha')
return
}
// Base SHA
const expectedBaseSha = fromPayload('pull_request.base.sha')
if (!expectedBaseSha) {
core.debug('Unable to determine base sha')
return
}
// Expected message?
const expectedMessage = `Merge ${expectedHeadSha} into ${expectedBaseSha}`
if (commitInfo.indexOf(expectedMessage) >= 0) {
return
}
// Extract details from message
const match = commitInfo.match(/Merge ([0-9a-f]{40}) into ([0-9a-f]{40})/)
if (!match) {
core.debug('Unexpected message format')
return
}
// Post telemetry
const actualHeadSha = match[1]
if (actualHeadSha !== expectedHeadSha) {
core.debug(
`Expected head sha ${expectedHeadSha}; actual head sha ${actualHeadSha}`
)
const octokit = new github.GitHub(token, {
userAgent: `actions-checkout-tracepoint/1.0 (code=STALE_MERGE;owner=${repositoryOwner};repo=${repositoryName};pr=${fromPayload(
'number'
)};run_id=${
process.env['GITHUB_RUN_ID']
};expected_head_sha=${expectedHeadSha};actual_head_sha=${actualHeadSha})`
})
await octokit.repos.get({owner: repositoryOwner, repo: repositoryName})
}
} catch (err) {
core.debug(`Error when validating commit info: ${err.stack}`)
}
}
function fromPayload(path: string): any {
return select(github.context.payload, path)
}
function select(obj: any, path: string): any {
if (!obj) {
return undefined
}
const i = path.indexOf('.')
if (i < 0) {
return obj[path]
}
const key = path.substr(0, i)
return select(obj[key], path.substr(i + 1))
}
function isGhes(): boolean {
const ghUrl = new URL(
process.env['GITHUB_SERVER_URL'] || 'https://github.com'
)
return ghUrl.hostname.toUpperCase() !== 'GITHUB.COM'
}
|
