build-push-action/src/main.ts

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import * as fs from 'fs';
import * as buildx from './buildx';
import * as context from './context';
import * as stateHelper from './state-helper';
import * as core from '@actions/core';
import * as exec from '@actions/exec';
async function run(): Promise<void> {
try {
core.startGroup(`Docker info`);
await exec.exec('docker', ['version']);
await exec.exec('docker', ['info']);
core.endGroup();
if (!(await buildx.isAvailable())) {
core.setFailed(`Docker buildx is required. See https://github.com/docker/setup-buildx-action to set up buildx.`);
return;
}
stateHelper.setTmpDir(context.tmpDir());
const buildxVersion = await buildx.getVersion();
const defContext = context.defaultContext();
let inputs: context.Inputs = await context.getInputs(defContext);
const args: string[] = await context.getArgs(inputs, defContext, buildxVersion);
await exec
.getExecOutput('docker', args, {
ignoreReturnCode: true
})
.then(res => {
if (res.stderr.length > 0 && res.exitCode != 0) {
throw new Error(`buildx failed with: ${res.stderr.match(/(.*)\s*$/)![0].trim()}`);
}
});
await core.group(`Setting outputs`, async () => {
const imageID = await buildx.getImageID();
const metadata = await buildx.getMetadata();
if (imageID) {
core.info(`digest=${imageID}`);
context.setOutput('digest', imageID);
}
if (metadata) {
core.info(`metadata=${metadata}`);
context.setOutput('metadata', metadata);
}
});
} catch (error) {
core.setFailed(error.message);
}
}
async function cleanup(): Promise<void> {
if (stateHelper.tmpDir.length > 0) {
core.startGroup(`Removing temp folder ${stateHelper.tmpDir}`);
fs.rmdirSync(stateHelper.tmpDir, {recursive: true});
core.endGroup();
}
}
if (!stateHelper.IsPost) {
run();
} else {
cleanup();
}