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executable file
·172 lines (153 loc) · 5.26 KB
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#!/usr/bin/env node
const fs = require('fs');
const path = require('path');
// Grab last git commit
function getCommitHasForPath(path) {
return require('child_process')
.execSync(`git log -1 --format=%H HEAD -- ${path}`)
.toString()
.trim();
}
const stackbrewPath = path.basename(__filename);
// Header
let stackbrew = `# this file is generated via https://github.com/nodejs/docker-node/blob/${getCommitHasForPath(stackbrewPath)}/${stackbrewPath}
Maintainers: The Node.js Docker Team <https://github.com/nodejs/docker-node> (@nodejs)
GitRepo: https://github.com/nodejs/docker-node.git
GitFetch: refs/heads/main\n`;
// Loop versions
const config = require('./versions.json');
const versions = Object.keys(config).reverse();
let midnight = new Date();
midnight.setHours(0, 0, 0, 0);
const now = midnight.getTime();
const alpineRE = new RegExp(/alpine*/);
const slimRE = new RegExp(/\*-slim/);
let foundLTS = false;
let foundCurrent = false;
for (const version of versions) {
let lts = new Date(`${config[version].lts}T00:00:00.00`).getTime();
let isCurrent = foundCurrent ? false : isNaN(lts) || lts >= now;
foundCurrent = isCurrent || foundCurrent;
let isLTS = foundLTS ? false : now >= lts;
foundLTS = isLTS || foundLTS;
let codename = config[version].codename;
let defaultAlpine = config[version]['alpine-default'];
let defaultDebian = config[version]['debian-default'];
let variants = config[version].variants;
for (const variant in variants) {
let dockerfilePath = path.join(version, variant, 'Dockerfile');
let isAlpine = alpineRE.test(variant);
let isSlim = slimRE.test(variant);
let isDefaultSlim = new RegExp(`${defaultDebian}-slim`).test(variant);
// Get full version from the Dockerfile
let dockerfile = fs.readFileSync(dockerfilePath, 'utf-8');
let fullVersion = dockerfile.match(
/ENV NODE_VERSION=(?<major>\d+)\.(?<minor>\d+)\.(?<patch>\d+)/,
);
let tags = [
`${fullVersion.groups.major}.${fullVersion.groups.minor}.${fullVersion.groups.patch}-${variant}`,
`${fullVersion.groups.major}.${fullVersion.groups.minor}-${variant}`,
`${fullVersion.groups.major}-${variant}`,
];
if (codename) {
tags.push(`${codename}-${variant}`);
}
if (variant === defaultAlpine) {
tags.push(
`${fullVersion.groups.major}.${fullVersion.groups.minor}.${fullVersion.groups.patch}-alpine`,
);
tags.push(
`${fullVersion.groups.major}.${fullVersion.groups.minor}-alpine`,
);
tags.push(`${fullVersion.groups.major}-alpine`);
if (codename) {
tags.push(`${codename}-alpine`);
}
}
if (variant === defaultDebian) {
tags.push(
`${fullVersion.groups.major}.${fullVersion.groups.minor}.${fullVersion.groups.patch}`,
);
tags.push(`${fullVersion.groups.major}.${fullVersion.groups.minor}`);
tags.push(`${fullVersion.groups.major}`);
if (isSlim) {
tags.push(
`${fullVersion.groups.major}.${fullVersion.groups.minor}.${fullVersion.groups.patch}-slim`,
);
tags.push(
`${fullVersion.groups.major}.${fullVersion.groups.minor}-slim`,
);
tags.push(`${fullVersion.groups.major}-slim`);
}
if (codename) {
tags.push(`${codename}`);
}
}
if (isDefaultSlim) {
tags.push(
`${fullVersion.groups.major}.${fullVersion.groups.minor}.${fullVersion.groups.patch}-slim`,
);
tags.push(`${fullVersion.groups.major}.${fullVersion.groups.minor}-slim`);
tags.push(`${fullVersion.groups.major}-slim`);
if (codename) {
tags.push(`${codename}-slim`);
}
}
if (isCurrent) {
if (variant === defaultAlpine) {
tags.push(variant);
tags.push(
`${fullVersion.groups.major}.${fullVersion.groups.minor}.${fullVersion.groups.patch}-alpine`,
);
tags.push(
`${fullVersion.groups.major}.${fullVersion.groups.minor}-alpine`,
);
tags.push(`${fullVersion.groups.major}-alpine`);
tags.push('alpine');
tags.push('current-alpine');
}
if (variant === defaultDebian) {
tags.push(variant);
tags.push('latest');
tags.push('current');
}
if (isAlpine) {
tags.push(`${variant}`);
tags.push(`current-${variant}`);
}
if (!isAlpine) {
tags.push(`${variant}`);
tags.push(`current-${variant}`);
}
if (isDefaultSlim) {
tags.push('slim');
tags.push('current-slim');
}
}
if (isLTS) {
tags.push(`lts-${variant}`);
if (variant === defaultDebian) {
tags.push('lts');
if (codename) {
tags.push(`lts-${codename}`);
}
}
if (isDefaultSlim) {
tags.push(`lts-slim`);
}
if (variant === defaultAlpine) {
tags.push(`lts-alpine`);
}
}
// remove duplicates
tags = tags.filter((x, i, a) => a.indexOf(x) == i);
tags = tags.sort();
let directory = `${version}/${variant}`;
stackbrew += `\nTags: ${tags.join(', ')}\n`;
stackbrew += `Architectures: ${config[version].variants[variant].join(', ')}\n`;
stackbrew += `GitCommit: ${getCommitHasForPath(directory)}\n`;
stackbrew += `Directory: ${directory}\n`;
}
}
// output
console.log(stackbrew);