From 592ce1b230985aea359acdf6ed4ee84307bbedc1 Mon Sep 17 00:00:00 2001
From: Ferenc Hammerl <31069338+fhammerl@users.noreply.github.com>
Date: Tue, 20 Jul 2021 15:26:30 +0200
Subject: [PATCH] Better error message when a command is not found (#1210)

* Describe missing util / command error in more detail

* Use more uniform language in traceInfo
---
 src/Runner.Sdk/Util/WhichUtil.cs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Runner.Sdk/Util/WhichUtil.cs b/src/Runner.Sdk/Util/WhichUtil.cs
index b4d94e513..598ad0980 100644
--- a/src/Runner.Sdk/Util/WhichUtil.cs
+++ b/src/Runner.Sdk/Util/WhichUtil.cs
@@ -115,11 +115,15 @@ namespace GitHub.Runner.Sdk
                 }
             }
 
-            trace?.Info("Not found.");
+#if OS_WINDOWS
+            trace?.Info($"{command}: command not found. Make sure '{command}' is installed and its location included in the 'Path' environment variable.");
+#else
+            trace?.Info($"{command}: command not found. Make sure '{command}' is installed and its location included in the 'PATH' environment variable.");
+#endif
             if (require)
             {
                 throw new FileNotFoundException(
-                    message: $"File not found: '{command}'",
+                    message: $"{command}: command not found",
                     fileName: command);
             }