From 1446d0da4575c61e368f2e4cfac5c830e17e668a 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 b6836ed7aacd..5d789a24cb50 100644
--- a/packages/schematics/angular/migrations/migration-collection.json
+++ b/packages/schematics/angular/migrations/migration-collection.json
@@ -19,6 +19,11 @@
       "version": "7.1.0-beta.0",
       "factory": "./update-7/index#typeScriptHelpersRule",
       "description": "Update an Angular CLI project to version 7."
+    },
+    "migration-05": {
+      "version": "7.0.4",
+      "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 283fa59ad7cd..b54923bd3341 100644
--- a/packages/schematics/angular/migrations/update-7/index.ts
+++ b/packages/schematics/angular/migrations/update-7/index.ts
@@ -20,8 +20,11 @@ export { typeScriptHelpersRule } from './typescript-helpers';
 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,
       {