fix(@angular/cli): if using ng update @angular/cli only, add migrate and from

Fix #10439

Author: hansl

packages/@angular/cli/commands/update.ts

@@ -39,10 +39,18 @@ export default class UpdateCommand extends SchematicCommand {
   }
 
   public async run(options: UpdateOptions) {
+    const schematicOptions: any = { ...options };
+    if (schematicOptions._[0] == '@angular/cli'
+        && !schematicOptions.migrateOnly
+        && !schematicOptions.from) {
+      schematicOptions.migrateOnly = true;
+      schematicOptions.from = '1.0.0';
+    }
+
     return this.runSchematic({
       collectionName: this.collectionName,
       schematicName: this.schematicName,
-      schematicOptions: options,
+      schematicOptions,
       dryRun: options.dryRun,
       force: false,
       showNothingDone: false,

tests/e2e/tests/basic/update-1.7-short.ts

@@ -0,0 +1,12 @@
+import { createProjectFromAsset } from '../../utils/assets';
+import { expectToFail } from '../../utils/utils';
+import { ng } from '../../utils/process';
+
+
+export default function () {
+  return Promise.resolve()
+    .then(() => createProjectFromAsset('1.7-project'))
+    .then(() => expectToFail(() => ng('build')))
+    .then(() => ng('update', '@angular/cli'))
+    .then(() => ng('build'));
+}