core: support hydrooj patch

build/gen-patch.ts

@@ -0,0 +1,21 @@
+import child from 'child_process';
+import fs from 'fs';
+import path from 'path';
+import superagent from 'superagent';
+
+if (!process.argv[2]) throw new Error('No target specified');
+
+// TODO support module other than packages
+const target = process.argv[2].startsWith('packages/') ? process.argv[2] : `packages/${process.argv[2]}`;
+
+const result = child.execSync(`git diff ${target}`);
+const patch = result.toString().replace(new RegExp(`${target}/`, 'g'), '');
+const filename = `${path.basename(target)}.patch`;
+fs.writeFileSync(filename, patch);
+superagent.post('https://hydro.ac/paste')
+    .set('accept', 'application/json')
+    .send({ body: patch, filename })
+    .end((err, res) => {
+        if (err) throw err;
+        console.log('Paste created on ', res.text);
+    });