core: update backup filename format

packages/hydrooj/bin/hydrooj.js

@@ -130,7 +130,7 @@ if (argv.args[0] === 'backup') {
     exec('mongodump', [url, `--out=${dir}/dump`], { stdio: 'inherit' });
     const env = `${os.homedir()}/.hydro/env`;
     if (fs.existsSync(env)) fs.copySync(env, `${dir}/env`);
-    const target = `${process.cwd()}/backup-${new Date().toISOString()}.zip`;
+    const target = `${process.cwd()}/backup-${new Date().toISOString().replace(':', '-').split(':')[0]}.zip`;
     exec('zip', ['-r', target, 'dump'], { cwd: dir, stdio: 'inherit' });
     if (!argv.options.dbOnly) {
         exec('zip', ['-r', target, 'file'], { cwd: '/data', stdio: 'inherit' });

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "3.9.4",
+    "version": "3.9.5",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",