From 6df32976d3ea39823981da70581bfae782f4eefc Mon Sep 17 00:00:00 2001
From: Christian Rondeau <christian@mediaclip.ca>
Date: Sat, 27 Jun 2015 12:07:21 -0400
Subject: [PATCH] (GH-293) Upgrade all except simple implementation

---
 .../commands/ChocolateyUpgradeCommand.cs           |  3 +++
 .../configuration/ChocolateyConfiguration.cs       |  1 +
 .../infrastructure.app/services/NugetService.cs    | 14 +++++++++++++-
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/chocolatey/infrastructure.app/commands/ChocolateyUpgradeCommand.cs b/src/chocolatey/infrastructure.app/commands/ChocolateyUpgradeCommand.cs
index a5b0763faf..d6f12ee229 100644
--- a/src/chocolatey/infrastructure.app/commands/ChocolateyUpgradeCommand.cs
+++ b/src/chocolatey/infrastructure.app/commands/ChocolateyUpgradeCommand.cs
@@ -85,6 +85,9 @@ public virtual void configure_argument_parser(OptionSet optionSet, ChocolateyCon
                 .Add("p=|password=",
                      "Password - the user's password to the source. Defaults to empty.",
                      option => configuration.SourceCommand.Password = option.remove_surrounding_quotes())
+                .Add("except=",
+                     "Except - a comma-separated list of package names that should not be upgraded. Defaults to empty.",
+                     option => configuration.UpgradeCommand.PackageNamesToSkip = option.remove_surrounding_quotes())
                 ;
         }
 
diff --git a/src/chocolatey/infrastructure.app/configuration/ChocolateyConfiguration.cs b/src/chocolatey/infrastructure.app/configuration/ChocolateyConfiguration.cs
index 3720f48c74..eb9cd24d64 100644
--- a/src/chocolatey/infrastructure.app/configuration/ChocolateyConfiguration.cs
+++ b/src/chocolatey/infrastructure.app/configuration/ChocolateyConfiguration.cs
@@ -318,6 +318,7 @@ public sealed class UpgradeCommandConfiguration
         public bool FailOnUnfound { get; set; }
         public bool FailOnNotInstalled { get; set; }
         public bool NotifyOnlyAvailableUpgrades { get; set; }
+        public string PackageNamesToSkip { get; set; }
     }
 
     [Serializable]
diff --git a/src/chocolatey/infrastructure.app/services/NugetService.cs b/src/chocolatey/infrastructure.app/services/NugetService.cs
index 55e19a16fb..05876d6e1e 100644
--- a/src/chocolatey/infrastructure.app/services/NugetService.cs
+++ b/src/chocolatey/infrastructure.app/services/NugetService.cs
@@ -1045,12 +1045,24 @@ private void set_package_names_if_all_is_specified(ChocolateyConfiguration confi
                 config.Input = string.Empty;
 
                 var localPackages = list_run(config, logResults: false);
+                var packagesToUpdate = localPackages.Select((p) => p.Key);
+
+                if (!String.IsNullOrEmpty(config.UpgradeCommand.PackageNamesToSkip))
+                {
+                    var packagesToSkip = config.UpgradeCommand.PackageNamesToSkip
+                        .Split(',')
+                        .Select(x => x.Trim())
+                        .Where(x => !String.IsNullOrEmpty(x));
+
+                    packagesToUpdate = packagesToUpdate.Where(x => !packagesToSkip.Contains(x, StringComparer.OrdinalIgnoreCase));
+                }
 
                 config.Input = input;
                 config.Noop = noop;
                 config.Prerelease = pre;
                 config.Sources = sources;
-                config.PackageNames = string.Join(ApplicationParameters.PackageNamesSeparator, localPackages.Select((p) => p.Key).or_empty_list_if_null());
+
+                config.PackageNames = string.Join(ApplicationParameters.PackageNamesSeparator, packagesToUpdate);
 
                 if (customAction != null) customAction.Invoke();
             }