[EGIT PATCH] Add support for writing/appending .gitignore file

This is in addition to the other patches mailed earlier and attached  
with issue 64

 From 34fd7fc8cd721c4f44b5b31d3d5960f89b59bf8b Mon Sep 17 00:00:00 2001
From: Alex Blewitt <redacted>
Date: Sun, 19 Apr 2009 14:03:46 +0100
Subject: [PATCH] Added support for writing/appending .gitignore file

---
  .../egit/ui/internal/actions/IgnoreAction.java     |   48 +++++++++++ 
++++++---
  1 files changed, 42 insertions(+), 6 deletions(-)

diff --git a/org.spearce.egit.ui/src/org/spearce/egit/ui/internal/ 

actions/IgnoreAction.java b/org.spearce.egit.ui/src/org/spearce/egit/ 
ui/internal/actions/IgnoreAction.java
index 1215823..832b098 100644

--- a/org.spearce.egit.ui/src/org/spearce/egit/ui/internal/actions/ 

IgnoreAction.java

+++ b/org.spearce.egit.ui/src/org/spearce/egit/ui/internal/actions/ 

IgnoreAction.java

@@ -7,7 +7,17 @@
    

*******************************************************************************/
  package org.spearce.egit.ui.internal.actions;

+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+
+import org.eclipse.core.resources.IContainer;
+import org.eclipse.core.resources.IFile;
  import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.NullProgressMonitor;
+import org.eclipse.core.runtime.Path;
  import org.eclipse.jface.action.IAction;
  import org.eclipse.team.core.Team;

@@ -17,17 +27,43 @@
   */
  public class IgnoreAction extends RepositoryAction {
  	
+	private static final String GITIGNORE_ENCODING = "UTF-8";
+	private static final String GITIGNORE = ".gitignore";
+
  	@SuppressWarnings("restriction")
  	@Override
  	public void run(IAction action) {
-
+		NullProgressMonitor m = new NullProgressMonitor();
  		IResource[] resources = getSelectedResources();
-		for (IResource resource : resources) {
-			// NB This does the same thing in DecoratableResourceAdapter, but  

neither currently consult .gitignore
-			if (!Team.isIgnoredHint(resource))
-			{
-				// TODO Actually add to .gitignore here
+		try {
+			for (IResource resource : resources) {
+				// TODO This is pretty inefficient; multiple ignores in the same  
directory cause multiple writes.
+				// NB This does the same thing in DecoratableResourceAdapter, but  
neither currently consult .gitignore
+				if (!Team.isIgnoredHint(resource)) {
+					IContainer container = resource.getParent();
+					IFile gitignore = container.getFile(new Path(GITIGNORE));
+					String entry = "/" + resource.getName() + "\n"; //$NON-NLS-1$  // 
$NON-NLS-2$
+					// TODO What is the character set and new-line convention?
+					if(gitignore.exists()) {
+						// This is ugly. CVS uses an internal representation of  
the .gitignore to re-write/overwrite each time.
+						ByteArrayOutputStream out = new ByteArrayOutputStream(2048);
+						out.write(entry.getBytes(GITIGNORE_ENCODING)); // TODO Default  
encoding?
+						gitignore.appendContents(new  
ByteArrayInputStream(out.toByteArray()),true,true,m);
+					} else {
+						ByteArrayInputStream bais = new  
ByteArrayInputStream( entry.getBytes(GITIGNORE_ENCODING) ); //$NON- 
NLS-1$
+						gitignore.create( bais,true,m);					
+					}
+				}
  			}
+		} catch (UnsupportedEncodingException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} catch (CoreException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
  		}
  		return;
  	}
-- 
1.6.2.2