From a3e82ae9b1e2a27ac1eee8092d58a28bb0d56c0d Mon Sep 17 00:00:00 2001
From: Charles Lyding <19598772+clydin@users.noreply.github.com>
Date: Thu, 19 Sep 2019 07:16:31 -0400
Subject: [PATCH] fix(@angular/cli): do not warn on multiple array option use

Fixes #15630
---
 packages/angular/cli/models/parser.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/angular/cli/models/parser.ts b/packages/angular/cli/models/parser.ts
index 2d5dbf7495e6..69610f815ad2 100644
--- a/packages/angular/cli/models/parser.ts
+++ b/packages/angular/cli/models/parser.ts
@@ -194,7 +194,7 @@ function _assignOption(
     const v = _coerce(value, option, parsedOptions[option.name]);
     if (v !== undefined) {
       if (parsedOptions[option.name] !== v) {
-        if (parsedOptions[option.name] !== undefined) {
+        if (parsedOptions[option.name] !== undefined && option.type !== OptionType.Array) {
           warnings.push(
             `Option ${JSON.stringify(option.name)} was already specified with value `
             + `${JSON.stringify(parsedOptions[option.name])}. The new value ${JSON.stringify(v)} `