add new "Configuration Element" <pushCommitedOnSuccess> for git source control

usage:

<sourcecontrol type="git">
...
<pushCommitedOnSuccess>false|true</pushCommitedOnSuccess>
...
</sourcecontrol>

Author: SLutay

project/core/sourcecontrol/Git.cs

@@ -231,6 +231,15 @@ public class Git : ProcessSourceControl
         [ReflectorProperty("commitUntrackedFiles", Required = false)]
         public bool CommitUntrackedFiles { get; set; }
 
+        /// <summary>
+        /// Indicates that files committed during the build process should be pushed to remmote repository after tagging. This requires 'commitBuildModifications'
+        /// and 'pushCommitedOnSuccess' to be set to 'true'.
+        /// </summary>
+        /// <version>1.6</version>
+        /// <default>false</default>
+        [ReflectorProperty("pushCommitedOnSuccess", Required = false)]
+        public bool PushCommitedOnSuccess { get; set; }
+
         /// <summary>
         /// Used to set the "user.name" configuration setting in the local repository. Required for the 'tagOnSuccess ' feature. 
         /// </summary>
@@ -366,6 +375,11 @@ public override void LabelSourceControl(IIntegrationResult result)
             // create a tag and push it.
             GitCreateTag(tagName, commitMessage, result);
             GitPushTag(tagName, result);
+
+            if (CommitBuildModifications && PushCommitedOnSuccess)
+            {
+                GitPushAll(result);
+            }
         }
 
         #region private methods
@@ -754,6 +768,30 @@ private void GitPushTag(string tagName, IIntegrationResult result)
             ProcessExecutor.ProcessOutput -= ProcessExecutor_ProcessOutput;
         }
 
+        /// <summary>
+        /// Push commited content with "git push origin HEAD:'branch name'".
+        /// </summary>
+        /// <param name="result">IIntegrationResult of the current build.</param>
+        private void GitPushAll(IIntegrationResult result)
+        {
+            ProcessArgumentBuilder buffer = new ProcessArgumentBuilder();
+            buffer.AddArgument("push");
+            buffer.AddArgument("origin");
+            buffer.AddArgument("HEAD:"+ Branch);
+
+            // initialize progress information
+            var bpi = GetBuildProgressInformation(result);
+            bpi.SignalStartRunTask(string.Concat("git ", buffer.ToString()));
+
+            // enable Stdout monitoring
+            ProcessExecutor.ProcessOutput += ProcessExecutor_ProcessOutput;
+
+            Execute(NewProcessInfo(buffer.ToString(), result));
+
+            // remove Stdout monitoring
+            ProcessExecutor.ProcessOutput -= ProcessExecutor_ProcessOutput;
+        }
+
         /// <summary>
         /// Initialize the git submodules.
         /// </summary>