fix(plugin-storage-fs): throw a more descriptive error when a lock couldn't be acquired

.changeset/calm-windows-drum.md

@@ -0,0 +1,5 @@
+---
+'@emigrate/plugin-storage-fs': patch
+---
+
+Throw a more descriptive error when a file lock couldn't be acquired

packages/plugin-storage-fs/src/index.ts

@@ -55,11 +55,15 @@ export default function storageFs({ filename }: StorageFsOptions): StoragePlugin
     async initializeStorage() {
       return {
         async lock(migrations) {
-          const fd = await fs.open(lockFilePath, 'wx');
+          try {
+            const fd = await fs.open(lockFilePath, 'wx');
 
-          await fd.close();
+            await fd.close();
 
-          return migrations;
+            return migrations;
+          } catch {
+            throw new Error('Could not acquire file lock for migrations');
+          }
         },
         async unlock() {
           try {