From 45fda44e9005bce24ee83cfaecb3ed8c3fcc6df2 Mon Sep 17 00:00:00 2001
From: vsavkin <avix1000@gmail.com>
Date: Wed, 28 Feb 2018 10:25:21 -0500
Subject: [PATCH] fix(schematics): fixed the switch-to-cli17 migration to
 handle the case when the CLI file isn't present

---
 packages/schematics/migrations/20180225-switch-to-cli17.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/packages/schematics/migrations/20180225-switch-to-cli17.ts b/packages/schematics/migrations/20180225-switch-to-cli17.ts
index 083b96b29f265..bb155f47ffcb6 100644
--- a/packages/schematics/migrations/20180225-switch-to-cli17.ts
+++ b/packages/schematics/migrations/20180225-switch-to-cli17.ts
@@ -17,7 +17,6 @@ export default {
         ['karma-cli']: undefined
       };
 
-
       json.dependencies = {
         ...json.dependencies,
         "@angular/animations": "5.2.6",
@@ -35,6 +34,8 @@ export default {
       };
     });
 
-    unlinkSync('.angular_cli165.tgz');
+    try {
+      unlinkSync('.angular_cli165.tgz');
+    } catch (e) {}
   }
 };