2022-10-12 07:07:13 +02:00
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import * as core from '@actions/core';
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2024-11-13 16:39:24 +01:00
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import {Context as GithubContext} from '@actions/github/lib/context';
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2023-02-20 22:32:55 +01:00
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import {Util} from '@docker/actions-toolkit/lib/util';
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2022-12-15 14:46:34 +01:00
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import {Git} from '@docker/actions-toolkit/lib/git';
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import {GitHub} from '@docker/actions-toolkit/lib/github';
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2024-11-13 16:39:24 +01:00
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import {Toolkit} from '@docker/actions-toolkit/lib/toolkit';
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export interface Context extends GithubContext {
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commitDate: Date;
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}
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2020-10-25 02:25:23 +01:00
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export interface Inputs {
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2022-12-15 14:46:34 +01:00
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context: ContextSource;
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2020-10-25 02:25:23 +01:00
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images: string[];
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2021-03-29 13:04:53 +02:00
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tags: string[];
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flavor: string[];
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labels: string[];
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2023-11-30 15:03:24 +01:00
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annotations: string[];
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2020-10-25 02:25:23 +01:00
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sepTags: string;
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sepLabels: string;
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2023-11-30 15:03:24 +01:00
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sepAnnotations: string;
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2021-04-30 00:51:48 +02:00
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bakeTarget: string;
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2020-10-25 02:25:23 +01:00
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githubToken: string;
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}
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export function getInputs(): Inputs {
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return {
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2022-12-15 14:46:34 +01:00
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context: (core.getInput('context') || ContextSource.workflow) as ContextSource,
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2023-06-13 12:23:13 +02:00
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images: Util.getInputList('images', {ignoreComma: true, comment: '#'}),
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tags: Util.getInputList('tags', {ignoreComma: true, comment: '#'}),
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flavor: Util.getInputList('flavor', {ignoreComma: true, comment: '#'}),
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labels: Util.getInputList('labels', {ignoreComma: true, comment: '#'}),
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2023-11-30 15:03:24 +01:00
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annotations: Util.getInputList('annotations', {ignoreComma: true, comment: '#'}),
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2022-10-07 22:45:46 +02:00
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sepTags: core.getInput('sep-tags', {trimWhitespace: false}) || `\n`,
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sepLabels: core.getInput('sep-labels', {trimWhitespace: false}) || `\n`,
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2023-11-30 15:03:24 +01:00
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sepAnnotations: core.getInput('sep-annotations', {trimWhitespace: false}) || `\n`,
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2021-05-10 15:54:35 +02:00
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bakeTarget: core.getInput('bake-target') || `docker-metadata-action`,
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2020-10-25 02:25:23 +01:00
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githubToken: core.getInput('github-token')
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};
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}
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2022-12-15 14:46:34 +01:00
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export enum ContextSource {
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workflow = 'workflow',
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git = 'git'
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}
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2024-11-13 16:39:24 +01:00
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export async function getContext(source: ContextSource, toolkit: Toolkit): Promise<Context> {
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2022-12-15 14:46:34 +01:00
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switch (source) {
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case ContextSource.workflow:
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2024-11-13 16:39:24 +01:00
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return await getContextFromWorkflow(toolkit);
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2022-12-15 14:46:34 +01:00
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case ContextSource.git:
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return await getContextFromGit();
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default:
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throw new Error(`Invalid context source: ${source}`);
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}
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}
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2024-11-13 16:39:24 +01:00
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async function getContextFromWorkflow(toolkit: Toolkit): Promise<Context> {
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2022-12-15 14:46:34 +01:00
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const context = GitHub.context;
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// Needs to override Git reference with pr ref instead of upstream branch ref
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// for pull_request_target event
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// https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_target
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if (/pull_request_target/.test(context.eventName)) {
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context.ref = `refs/pull/${context.payload.number}/merge`;
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}
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// DOCKER_METADATA_PR_HEAD_SHA env var can be used to set associated head
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// SHA instead of commit SHA that triggered the workflow on pull request
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// event.
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if (/true/i.test(process.env.DOCKER_METADATA_PR_HEAD_SHA || '')) {
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if ((/pull_request/.test(context.eventName) || /pull_request_target/.test(context.eventName)) && context.payload?.pull_request?.head?.sha != undefined) {
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context.sha = context.payload.pull_request.head.sha;
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}
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}
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2024-11-13 16:39:24 +01:00
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return {
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commitDate: await getCommitDateFromWorkflow(context.sha, toolkit),
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...context
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} as Context;
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2022-12-15 14:46:34 +01:00
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}
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async function getContextFromGit(): Promise<Context> {
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const ctx = await Git.context();
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return {
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commitDate: await Git.commitDate(ctx.sha),
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...ctx
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} as Context;
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}
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async function getCommitDateFromWorkflow(sha: string, toolkit: Toolkit): Promise<Date> {
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const event = GitHub.context.payload as unknown as {
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// branch push
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commits?: Array<{
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timestamp: string;
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// commit sha
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id: string;
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}>;
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// tags
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head_commit?: {
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timestamp: string;
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// commit sha
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id: string;
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};
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};
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if (event.commits) {
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const commitDate = event.commits.find(x => x.id === sha)?.timestamp;
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if (commitDate) {
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return new Date(commitDate);
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}
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}
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if (event.head_commit) {
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if (event.head_commit.id === sha) {
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return new Date(event.head_commit.timestamp);
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}
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}
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// fallback to github api for commit date
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const commit = await toolkit.github.octokit.request('GET /repos/{owner}/{repo}/commits/{commit_sha}', {
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commit_sha: sha,
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owner: GitHub.context.repo.owner,
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repo: GitHub.context.repo.repo
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});
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return new Date(commit.data.committer.date);
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2022-12-15 14:46:34 +01:00
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}
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