core: add hydrooj uninstall command

packages/hydrooj/bin/commands.ts

@@ -175,6 +175,23 @@ if (!argv.args[0] || argv.args[0] === 'cli') {
             lastUpdate: Date.now(),
         }));
     });
+    cli.command('uninstall [package]').action(async (name) => {
+        if (!name) {
+            cli.outputHelp();
+            return;
+        }
+        if (yarnVersion !== 1) throw new Error('Yarn 1 is required.');
+        const addonDir = path.join(hydroPath, 'addons');
+        fs.ensureDirSync(addonDir);
+        const plugins = fs.readdirSync(addonDir);
+        if (!plugins.includes(name)) {
+            throw new Error(`Plugin ${name} not found or not installed with \`hydrooj install\`.`);
+        }
+        const newAddonPath = path.join(addonDir, name);
+        child.execSync(`hydrooj addon remove '${newAddonPath}'`, { stdio: 'inherit' });
+        fs.removeSync(newAddonPath);
+        console.log(`Successfully uninstalled ${name}.`);
+    });
     cli.help();
     cli.parse();
     if (!cli.matchedCommand) {