Restart repository history from target event

lib/utils/file-ops.ts

@@ -0,0 +1,37 @@
+
+import fs from 'fs-extra';
+import path from 'path';
+
+/**
+ * Recursively copies a directory or file using streams to avoid 'copyfile' syscall issues (EINVAL)
+ * on some cross-volume operations.
+ */
+export async function copyDirRecursive(src: string, dest: string) {
+    const stats = await fs.stat(src);
+
+    if (stats.isDirectory()) {
+        await fs.ensureDir(dest);
+        const files = await fs.readdir(src);
+
+        await Promise.all(files.map(async (file) => {
+            const srcPath = path.join(src, file);
+            const destPath = path.join(dest, file);
+            await copyDirRecursive(srcPath, destPath);
+        }));
+    } else {
+        await copyFileStream(src, dest);
+    }
+}
+
+async function copyFileStream(src: string, dest: string) {
+    return new Promise<void>((resolve, reject) => {
+        const readStream = fs.createReadStream(src);
+        const writeStream = fs.createWriteStream(dest);
+
+        readStream.on('error', reject);
+        writeStream.on('error', reject);
+        writeStream.on('finish', resolve);
+
+        readStream.pipe(writeStream);
+    });
+}