feat: track new pack .idx files via before/after snapshots

Author: fabiovincenzi

src/proxy/processors/push-action/writePack.ts

@@ -1,19 +1,35 @@
+import path from 'path';
 import { Action, Step } from '../../actions';
 import { spawnSync } from 'child_process';
+import fs from 'fs';
 
 const exec = async (req: any, action: Action) => {
   const step = new Step('writePack');
   try {
     const cmd = `git receive-pack ${action.repoName}`;
     step.log(`executing ${cmd}`);
+    if (!action.proxyGitPath || !action.repoName) {
+      throw new Error('proxyGitPath and repoName must be defined');
+    }
+    const repoPath = path.join(action.proxyGitPath, action.repoName);
 
+    const packDir = path.join(repoPath, '.git', 'objects', 'pack');
+
+    spawnSync('git', ['config', 'receive.unpackLimit', '0'], {
+      cwd: repoPath,
+      encoding: 'utf-8',
+    });
+    const before = new Set(fs.readdirSync(packDir).filter((f) => f.endsWith('.idx')));
     const content = spawnSync('git', ['receive-pack', action.repoName], {
       cwd: action.proxyGitPath,
       input: req.body,
-      encoding: 'utf-8',
-    }).stdout;
+    });
+    const after = new Set(fs.readdirSync(packDir).filter((f) => f.endsWith('.idx')));
+
+    const newIdxFiles = [...after].filter((f) => !before.has(f));
+    action.newIdxFiles = newIdxFiles;
+    step.log(`.idx generati da questo push: ${newIdxFiles.join(', ') || '(nessuno)'}`);
 
-    step.log(content);
     step.setContent(content);
   } catch (e: any) {
     step.setError(e.toString('utf-8'));