From 83ba2303474efb19852ebc24b1ef34a8f5f6ad8d Mon Sep 17 00:00:00 2001
From: Jason Jean <jasonjean1993@gmail.com>
Date: Tue, 26 Apr 2022 16:03:10 -0400
Subject: [PATCH] fix(core): fix migrating old workspaces without nx (#10011)

---
 packages/nx/src/command-line/migrate.ts | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/packages/nx/src/command-line/migrate.ts b/packages/nx/src/command-line/migrate.ts
index 80ab61865145f..26857e3120a7c 100644
--- a/packages/nx/src/command-line/migrate.ts
+++ b/packages/nx/src/command-line/migrate.ts
@@ -460,7 +460,7 @@ export function parseMigrationsOptions(options: {
 function versions(root: string, from: Record<string, string>) {
   const cache: Record<string, string> = {};
 
-  return (packageName: string) => {
+  function getFromVersion(packageName: string) {
     try {
       if (from[packageName]) {
         return from[packageName];
@@ -475,9 +475,15 @@ function versions(root: string, from: Record<string, string>) {
 
       return cache[packageName];
     } catch {
+      // Support migrating old workspaces without nx package
+      if (packageName === 'nx') {
+        return getFromVersion('@nrwl/workspace');
+      }
       return null;
     }
-  };
+  }
+
+  return getFromVersion;
 }
 
 // testing-fetch-start