metadata-action/src/context.ts
CrazyMax 861d98a3bd
commiter_date: fix github api request fallback
Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>
2024-11-19 17:22:11 +01:00

137 lines
4.3 KiB
TypeScript

import * as core from '@actions/core';
import {Context as GithubContext} from '@actions/github/lib/context';
import {Util} from '@docker/actions-toolkit/lib/util';
import {Git} from '@docker/actions-toolkit/lib/git';
import {GitHub} from '@docker/actions-toolkit/lib/github';
import {Toolkit} from '@docker/actions-toolkit/lib/toolkit';
export interface Context extends GithubContext {
commitDate: Date;
}
export interface Inputs {
context: ContextSource;
images: string[];
tags: string[];
flavor: string[];
labels: string[];
annotations: string[];
sepTags: string;
sepLabels: string;
sepAnnotations: string;
bakeTarget: string;
githubToken: string;
}
export function getInputs(): Inputs {
return {
context: (core.getInput('context') || ContextSource.workflow) as ContextSource,
images: Util.getInputList('images', {ignoreComma: true, comment: '#'}),
tags: Util.getInputList('tags', {ignoreComma: true, comment: '#'}),
flavor: Util.getInputList('flavor', {ignoreComma: true, comment: '#'}),
labels: Util.getInputList('labels', {ignoreComma: true, comment: '#'}),
annotations: Util.getInputList('annotations', {ignoreComma: true, comment: '#'}),
sepTags: core.getInput('sep-tags', {trimWhitespace: false}) || `\n`,
sepLabels: core.getInput('sep-labels', {trimWhitespace: false}) || `\n`,
sepAnnotations: core.getInput('sep-annotations', {trimWhitespace: false}) || `\n`,
bakeTarget: core.getInput('bake-target') || `docker-metadata-action`,
githubToken: core.getInput('github-token')
};
}
export enum ContextSource {
workflow = 'workflow',
git = 'git'
}
export async function getContext(source: ContextSource, toolkit: Toolkit): Promise<Context> {
switch (source) {
case ContextSource.workflow:
return await getContextFromWorkflow(toolkit);
case ContextSource.git:
return await getContextFromGit();
default:
throw new Error(`Invalid context source: ${source}`);
}
}
async function getContextFromWorkflow(toolkit: Toolkit): Promise<Context> {
const context = GitHub.context;
// Needs to override Git reference with pr ref instead of upstream branch ref
// for pull_request_target event
// https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_target
if (/pull_request_target/.test(context.eventName)) {
context.ref = `refs/pull/${context.payload.number}/merge`;
}
// DOCKER_METADATA_PR_HEAD_SHA env var can be used to set associated head
// SHA instead of commit SHA that triggered the workflow on pull request
// event.
if (/true/i.test(process.env.DOCKER_METADATA_PR_HEAD_SHA || '')) {
if ((/pull_request/.test(context.eventName) || /pull_request_target/.test(context.eventName)) && context.payload?.pull_request?.head?.sha != undefined) {
context.sha = context.payload.pull_request.head.sha;
}
}
return {
commitDate: await getCommitDateFromWorkflow(context.sha, toolkit),
...context
} as Context;
}
async function getContextFromGit(): Promise<Context> {
const ctx = await Git.context();
return {
commitDate: await Git.commitDate(ctx.sha),
...ctx
} as Context;
}
async function getCommitDateFromWorkflow(sha: string, toolkit: Toolkit): Promise<Date> {
const event = GitHub.context.payload as unknown as {
// branch push
commits?: Array<{
timestamp: string;
// commit sha
id: string;
}>;
// tags
head_commit?: {
timestamp: string;
// commit sha
id: string;
};
};
if (event.commits) {
const commitDate = event.commits.find(x => x.id === sha)?.timestamp;
if (commitDate) {
return new Date(commitDate);
}
}
if (event.head_commit) {
if (event.head_commit.id === sha) {
return new Date(event.head_commit.timestamp);
}
}
// fallback to github api for commit date
try {
const commit = await toolkit.github.octokit.rest.repos.getCommit({
owner: GitHub.context.repo.owner,
repo: GitHub.context.repo.repo,
ref: sha
});
if (commit.data.commit.committer?.date) {
return new Date(commit.data.commit.committer.date);
}
throw new Error('Committer date not found');
} catch (error) {
core.debug(`Failed to get commit date from GitHub API: ${error.message}`);
return new Date();
}
}