(chocolateyGH-99) Warn when admin is not elevated

src/chocolatey.console/Program.cs

@@ -23,6 +23,7 @@ namespace chocolatey.console
     using infrastructure.app.builders;
     using infrastructure.app.configuration;
     using infrastructure.app.runners;
+    using infrastructure.commandline;
     using infrastructure.configuration;
     using infrastructure.extractors;
     using infrastructure.filesystem;
@@ -66,9 +67,7 @@ private static void Main(string[] args)
                     "chocolatey".Log().Info(ChocolateyLoggers.Important, () => "{0} v{1}".format_with(ApplicationParameters.Name, config.Information.ChocolateyProductVersion));
 #endif
                 }
-
-                remove_old_chocolatey_exe(fileSystem);
-
+
                 if (config.HelpRequested)
                 {
                     pause_execution_if_debug();
@@ -80,6 +79,9 @@ private static void Main(string[] args)
                 "chocolatey".Log().Debug(() => "{0} is running on {1} v {2}".format_with(ApplicationParameters.Name, config.Information.PlatformType, config.Information.PlatformVersion.to_string()));
                 //"chocolatey".Log().Debug(() => "Command Line: {0}".format_with(Environment.CommandLine));
 
+                warn_when_admin_needs_elevation(config);
+                remove_old_chocolatey_exe(fileSystem);
+
                 LicenseValidation.validate(fileSystem);
 
                 //refactor - thank goodness this is temporary, cuz manifest resource streams are dumb
@@ -135,6 +137,30 @@ private static void Main(string[] args)
             }
         }
 
+        private static void warn_when_admin_needs_elevation(ChocolateyConfiguration config)
+        {
+            // NOTE: blended options may not have been fully initialized yet
+            if (!config.PromptForConfirmation) return; 
+
+            if (!config.Information.IsProcessElevated && config.Information.IsUserAdministrator)
+            {
+                var selection = InteractivePrompt.prompt_for_confirmation(@"
+Chocolatey detected you are not running from an elevated command shell
+ (cmd/powershell). You may experience errors - many functions/packages
+ require admin rights. Only advanced users should run choco w/out an
+ elevated shell. When you open the command shell, you should ensure 
+ that you do so with ""Run as Administrator"" selected.
+
+ Do you want to continue?", new[] { "yes", "no" }, "no", requireAnswer: true);
+
+                if (selection.is_equal_to("no"))
+                {
+                    pause_execution_if_debug();
+                    Environment.Exit(-1);
+                }
+            }
+        }
+
         private static void remove_old_chocolatey_exe(IFileSystem fileSystem)
         {
             try