From 810fa6531673aa584b6eb7ddaf48a37f821b127d Mon Sep 17 00:00:00 2001
From: TheCakeIsNaOH <TheCakeIsNaOH@gmail.com>
Date: Wed, 12 Jan 2022 22:12:27 -0600
Subject: [PATCH] (#1760) config command - use exit code 2

If enhanced exit codes are enabled, this sets the config command to
exit with 2 if there is nothing to do (i.e. if NOCHANGEMESSAGE is
output).
---
 .../commands/ChocolateyConfigCommand.cs                |  7 ++++++-
 .../services/ChocolateyConfigSettingsService.cs        | 10 ++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/chocolatey/infrastructure.app/commands/ChocolateyConfigCommand.cs b/src/chocolatey/infrastructure.app/commands/ChocolateyConfigCommand.cs
index 517807bdc7..98c860336c 100644
--- a/src/chocolatey/infrastructure.app/commands/ChocolateyConfigCommand.cs
+++ b/src/chocolatey/infrastructure.app/commands/ChocolateyConfigCommand.cs
@@ -138,12 +138,17 @@ Exit codes that normally result from running this command.
 Normal:
  - 0: operation was successful, no issues detected
  - -1 or 1: an error has occurred
+ - 2: nothing to do, config already set/unset (enhanced)
+
+NOTE: Starting in v2.3.0, if you have the feature '{0}'
+ turned on, then choco will provide enhanced exit codes that allow
+ better integration and scripting.
 
 If you find other exit codes that we have not yet documented, please
  file a ticket so we can document it at
  https://github.com/chocolatey/choco/issues/new/choose.
 
-");
+".FormatWith(ApplicationParameters.Features.UseEnhancedExitCodes));
 
             "chocolatey".Log().Info(ChocolateyLoggers.Important, "See It In Action");
             "chocolatey".Log().Info(@"
diff --git a/src/chocolatey/infrastructure.app/services/ChocolateyConfigSettingsService.cs b/src/chocolatey/infrastructure.app/services/ChocolateyConfigSettingsService.cs
index d629df2cf8..675f56193b 100644
--- a/src/chocolatey/infrastructure.app/services/ChocolateyConfigSettingsService.cs
+++ b/src/chocolatey/infrastructure.app/services/ChocolateyConfigSettingsService.cs
@@ -492,6 +492,11 @@ public void SetConfig(ChocolateyConfiguration configuration)
                 if (configuration.ConfigCommand.ConfigValue.IsEqualTo(currentValue.ToStringSafe()))
                 {
                     this.Log().Warn(NoChangeMessage);
+                    
+                    if (configuration.Features.UseEnhancedExitCodes && Environment.ExitCode == 0)
+                    {
+                        Environment.ExitCode = 2;
+                    }
                 }
                 else
                 {
@@ -509,6 +514,11 @@ public void UnsetConfig(ChocolateyConfiguration configuration)
             if (config == null || string.IsNullOrEmpty(config.Value))
             {
                 this.Log().Warn(NoChangeMessage);
+
+                if (configuration.Features.UseEnhancedExitCodes && Environment.ExitCode == 0)
+                {
+                    Environment.ExitCode = 2;
+                }
             }
             else
             {