actions/paths-filter
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Support push event (#10)

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* Support triggering from push event
* Add self-test to build workflow
* Update action metadata
This commit is contained in:
Michal Dorner 2020-06-15 21:49:10 +02:00 • committed by GitHub
parent 910e8b1235
commit affb29871a
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8 changed files with 89 additions and 61 deletions
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12
src/git.ts
View file

@ -1,22 +1,22 @@
import {exec} from '@actions/exec'
export async function fetchBranch(base: string): Promise<void> {
const exitCode = await exec('git', ['fetch', '--depth=1', 'origin', base])
export async function fetchCommit(sha: string): Promise<void> {
const exitCode = await exec('git', ['fetch', '--depth=1', 'origin', sha])
if (exitCode !== 0) {
throw new Error(`Fetching branch ${base} failed, exiting`)
throw new Error(`Fetching commit ${sha} failed`)
}
}
export async function getChangedFiles(base: string): Promise<string[]> {
export async function getChangedFiles(sha: string): Promise<string[]> {
let output = ''
const exitCode = await exec('git', ['diff-index', '--name-only', base], {
const exitCode = await exec('git', ['diff-index', '--name-only', sha], {
listeners: {
stdout: (data: Buffer) => (output += data.toString())
}
})
if (exitCode !== 0) {
throw new Error(`Couldn't determine changed files, exiting`)
throw new Error(`Couldn't determine changed files`)
}
return output

27
src/main.ts
View file

@ -12,14 +12,8 @@ async function run(): Promise<void> {
const filtersInput = core.getInput('filters', {required: true})
const filtersYaml = isPathInput(filtersInput) ? getConfigFileContent(filtersInput) : filtersInput
if (github.context.eventName !== 'pull_request') {
core.setFailed('This action can be triggered only by pull_request event')
return
}
const pr = github.context.payload.pull_request as Webhooks.WebhookPayloadPullRequestPullRequest
const filter = new Filter(filtersYaml)
const files = token ? await getChangedFilesFromApi(token, pr) : await getChangedFilesFromGit(pr)
const files = await getChangedFiles(token)
const result = filter.match(files)
for (const key in result) {
@ -46,12 +40,23 @@ function getConfigFileContent(configPath: string): string {
return fs.readFileSync(configPath, {encoding: 'utf8'})
}
async function getChangedFiles(token: string): Promise<string[]> {
if (github.context.eventName === 'pull_request') {
const pr = github.context.payload.pull_request as Webhooks.WebhookPayloadPullRequestPullRequest
return token ? await getChangedFilesFromApi(token, pr) : await getChangedFilesFromGit(pr.base.sha)
} else if (github.context.eventName === 'push') {
const push = github.context.payload as Webhooks.WebhookPayloadPush
return await getChangedFilesFromGit(push.before)
} else {
throw new Error('This action can be triggered only by pull_request or push event')
}
}
// Fetch base branch and use `git diff` to determine changed files
async function getChangedFilesFromGit(pullRequest: Webhooks.WebhookPayloadPullRequestPullRequest): Promise<string[]> {
async function getChangedFilesFromGit(sha: string): Promise<string[]> {
core.debug('Fetching base branch and using `git diff-index` to determine changed files')
const baseRef = pullRequest.base.ref
await git.fetchBranch(baseRef)
return await git.getChangedFiles(pullRequest.base.sha)
await git.fetchCommit(sha)
return await git.getChangedFiles(sha)
}
// Uses github REST api to get list of files changed in PR