fix help & version

Author: arturcic

src/GitVersionExe.Tests/ArgumentParserTests.cs

@@ -55,14 +55,23 @@ public void NoPathAndLogfileShouldUseCurrentDirectoryTargetDirectory()
         }
 
         [Test]
-        public void HMeansIsHelp()
+        public void HelpSwitchTest()
         {
             var arguments = argumentParser.ParseArguments("-h");
             Assert.IsNull(arguments.TargetPath);
             Assert.IsNull(arguments.LogFilePath);
             arguments.IsHelp.ShouldBe(true);
         }
 
+        [Test]
+        public void VersionSwitchTest()
+        {
+            var arguments = argumentParser.ParseArguments("-version");
+            Assert.IsNull(arguments.TargetPath);
+            Assert.IsNull(arguments.LogFilePath);
+            arguments.IsVersion.ShouldBe(true);
+        }
+
         [Test]
         public void Exec()
         {

src/GitVersionExe/ArgumentParser.cs

@@ -63,7 +63,6 @@ public Arguments ParseArguments(string[] commandLineArguments)
             {
                 return new Arguments
                 {
-                    TargetPath = System.Environment.CurrentDirectory,
                     IsHelp = true,
                 };
             }
@@ -72,7 +71,6 @@ public Arguments ParseArguments(string[] commandLineArguments)
             {
                 return new Arguments
                 {
-                    TargetPath = System.Environment.CurrentDirectory,
                     IsVersion = true,
                 };
             }

src/GitVersionExe/Arguments.cs

@@ -52,7 +52,7 @@ public class Arguments
 
         public GitVersionOptions ToOptions()
         {
-            var workingDirectory = TargetPath.TrimEnd('/', '\\');
+            var workingDirectory = TargetPath?.TrimEnd('/', '\\');
 
             return new GitVersionOptions
             {