myt/myt-clean.js

52 lines
1.4 KiB
JavaScript

const Myt = require('./myt');
const Command = require('./lib/command');
const fs = require('fs-extra');
/**
* Cleans old applied versions.
*/
class Clean extends Command {
static usage = {
description: 'Cleans old applied versions'
};
static opts = {
default: {
remote: 'production'
}
};
async run(myt, opts) {
await myt.dbConnect();
const version = await myt.fetchDbVersion() || {};
const number = version.number;
const oldVersions = [];
const versionDirs = await fs.readdir(opts.versionsDir);
for (const versionDir of versionDirs) {
const dirVersion = myt.parseVersionDir(versionDir);
if (!dirVersion) continue;
if (parseInt(dirVersion.number) < parseInt(number))
oldVersions.push(versionDir);
}
if (opts.maxOldVersions
&& oldVersions.length > opts.maxOldVersions) {
oldVersions.splice(-opts.maxOldVersions);
for (const oldVersion of oldVersions)
await fs.remove(`${opts.versionsDir}/${oldVersion}`,
{recursive: true});
console.log(`Old versions deleted: ${oldVersions.length}`);
} else
console.log(`No versions to delete.`);
}
}
module.exports = Clean;
if (require.main === module)
new Myt().run(Clean);