From a4170bd7747e04702849729a0c332e2b72800cd3 Mon Sep 17 00:00:00 2001
From: Charles Lyding <19598772+clydin@users.noreply.github.com>
Date: Sun, 21 Oct 2018 20:31:08 -0400
Subject: [PATCH] fix(@schematics/angular): migrate build-angular for 7.0 RC
 users

Fixes #12647
---
 .../schematics/angular/migrations/migration-collection.json  | 5 +++++
 packages/schematics/angular/migrations/update-7/index.ts     | 5 ++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/packages/schematics/angular/migrations/migration-collection.json b/packages/schematics/angular/migrations/migration-collection.json
index fab2b498dcc3..39c979c1fe90 100644
--- a/packages/schematics/angular/migrations/migration-collection.json
+++ b/packages/schematics/angular/migrations/migration-collection.json
@@ -14,6 +14,11 @@
       "version": "7.0.0-rc.0",
       "factory": "./update-7/index#polyfillMetadataRule",
       "description": "Update an Angular CLI project to version 7."
+    },
+    "migration-04": {
+      "version": "7.0.3",
+      "factory": "./update-7",
+      "description": "Update an Angular CLI project to version 7."
     }
   }
 }
diff --git a/packages/schematics/angular/migrations/update-7/index.ts b/packages/schematics/angular/migrations/update-7/index.ts
index 75757e75ec59..bb76ee807e4d 100644
--- a/packages/schematics/angular/migrations/update-7/index.ts
+++ b/packages/schematics/angular/migrations/update-7/index.ts
@@ -19,8 +19,11 @@ export { polyfillMetadataRule } from './polyfill-metadata';
 export default function(): Rule {
   return (tree, context) => {
     const existing = getPackageJsonDependency(tree, '@angular-devkit/build-angular');
-    const type = existing ? existing.type : NodeDependencyType.Dev;
+    if (existing && latestVersions.DevkitBuildAngular === existing.version) {
+      return;
+    }
 
+    const type = existing ? existing.type : NodeDependencyType.Dev;
     addPackageJsonDependency(
       tree,
       {