From 51d434dd4d2f13e45d6cfc1973432d772d95d259 Mon Sep 17 00:00:00 2001
From: Chris Davis <chris@codeflow.org.uk>
Date: Fri, 5 Feb 2021 14:55:40 +0000
Subject: [PATCH] Fix invalid dependency on updateAssemblyInfoFilename input
 (#316)

* Fix dependency on updateAssemblyInfoFilename input.
---
 src/tools/gitversion/tool.ts | 26 +++++++++++++++-----------
 1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/src/tools/gitversion/tool.ts b/src/tools/gitversion/tool.ts
index 7080549..d5a90cb 100644
--- a/src/tools/gitversion/tool.ts
+++ b/src/tools/gitversion/tool.ts
@@ -87,18 +87,22 @@ export class GitVersionTool extends DotnetTool implements IGitVersionTool {
         }
         if (updateAssemblyInfo) {
             args.push('/updateassemblyinfo')
-            if (
-                this.buildAgent.isValidInputFile(
-                    'updateAssemblyInfoFilename',
-                    updateAssemblyInfoFilename
-                )
-            ) {
-                args.push(updateAssemblyInfoFilename)
-            } else {
-                throw new Error(
-                    'AssemblyInfoFilename file not found at ' +
+
+            // You can specify 'updateAssemblyInfo' without 'updateAssemblyInfoFilename'.
+            if (updateAssemblyInfoFilename?.length > 0) {
+                if (
+                    this.buildAgent.isValidInputFile(
+                        'updateAssemblyInfoFilename',
                         updateAssemblyInfoFilename
-                )
+                    )
+                ) {
+                    args.push(updateAssemblyInfoFilename)
+                } else {
+                    throw new Error(
+                        'AssemblyInfoFilename file not found at ' +
+                            updateAssemblyInfoFilename
+                    )
+                }
             }
         }