CheckoutResult: return paths instead of Files

As discussed in

http://egit.eclipse.org/r/#change,2127

we should use paths relative the working directory instead of Files to
notify the caller about conflicts and nondeleted files.

Change-Id: I034c7bd846f0df78d97bc246f38d411f29713dde
Signed-off-by: Mathias Kinzler <mathias.kinzler@sap.com>

org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CheckoutCommandTest.java

@@ -128,9 +128,8 @@ public class CheckoutCommandTest extends RepositoryTestCase {
 		}
 	}
 
-	public void testCheckoutWithConflict() throws IOException {
+	public void testCheckoutWithConflict() {
 		CheckoutCommand co = git.checkout();
-		File trashFile = writeTrashFile("Test.txt", "Another change");
 		try {
 			writeTrashFile("Test.txt", "Another change");
 			assertEquals(Status.NOT_TRIED, co.getResult().getStatus());
@@ -138,7 +137,7 @@ public class CheckoutCommandTest extends RepositoryTestCase {
 			fail("Should have failed");
 		} catch (Exception e) {
 			assertEquals(Status.CONFLICTS, co.getResult().getStatus());
-			assertTrue(co.getResult().getConflictList().contains(trashFile));
+			assertTrue(co.getResult().getConflictList().contains("Test.txt"));
 		}
 	}
 
@@ -171,7 +170,7 @@ public class CheckoutCommandTest extends RepositoryTestCase {
 			co.setName("test").call();
 			assertTrue(testFile.exists());
 			assertEquals(Status.NONDELETED, co.getResult().getStatus());
-			assertTrue(co.getResult().getUndeletedList().contains(testFile));
+			assertTrue(co.getResult().getUndeletedList().contains("Test.txt"));
 		} finally {
 			fis.close();
 		}

org.eclipse.jgit/src/org/eclipse/jgit/api/CheckoutCommand.java

@@ -42,11 +42,8 @@
  */
 package org.eclipse.jgit.api;
 
-import java.io.File;
 import java.io.IOException;
 import java.text.MessageFormat;
-import java.util.ArrayList;
-import java.util.List;
 
 import org.eclipse.jgit.JGitText;
 import org.eclipse.jgit.api.CheckoutResult.Status;
@@ -141,11 +138,8 @@ public class CheckoutCommand extends GitCommand<Ref> {
 			try {
 				dco.checkout();
 			} catch (CheckoutConflictException e) {
-				List<File> fileList = new ArrayList<File>();
-				for (String filePath : dco.getConflicts()) {
-					fileList.add(new File(repo.getWorkTree(), filePath));
-				}
-				status = new CheckoutResult(Status.CONFLICTS, fileList);
+				status = new CheckoutResult(Status.CONFLICTS, dco
+						.getConflicts());
 				throw e;
 			}
 			Ref ref = repo.getRef(name);
@@ -183,12 +177,9 @@ public class CheckoutCommand extends GitCommand<Ref> {
 				throw new JGitInternalException(MessageFormat.format(JGitText
 						.get().checkoutUnexpectedResult, updateResult.name()));
 
-			if (!repo.isBare() && !dco.getToBeDeleted().isEmpty()) {
-				List<File> fileList = new ArrayList<File>();
-				for (String filePath : dco.getToBeDeleted()) {
-					fileList.add(new File(repo.getWorkTree(), filePath));
-				}
-				status = new CheckoutResult(Status.NONDELETED, fileList);
+			if (!dco.getToBeDeleted().isEmpty()) {
+				status = new CheckoutResult(Status.NONDELETED, dco
+						.getToBeDeleted());
 			}
 			else
 				status = CheckoutResult.OK_RESULT;

org.eclipse.jgit/src/org/eclipse/jgit/api/CheckoutResult.java

@@ -42,7 +42,6 @@
  */
 package org.eclipse.jgit.api;
 
-import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -97,20 +96,20 @@ public class CheckoutResult {
 
 	private final Status myStatus;
 
-	private final List<File> conflictList;
+	private final List<String> conflictList;
 
-	private final List<File> undeletedList;
+	private final List<String> undeletedList;
 
-	CheckoutResult(Status status, List<File> fileList) {
+	CheckoutResult(Status status, List<String> fileList) {
 		myStatus = status;
 		if (status == Status.CONFLICTS)
 			this.conflictList = fileList;
 		else
-			this.conflictList = new ArrayList<File>(0);
+			this.conflictList = new ArrayList<String>(0);
 		if (status == Status.NONDELETED)
 			this.undeletedList = fileList;
 		else
-			this.undeletedList = new ArrayList<File>(0);
+			this.undeletedList = new ArrayList<String>(0);
 
 	}
 
@@ -125,7 +124,7 @@ public class CheckoutResult {
 	 * @return the list of files that created a checkout conflict, or an empty
 	 *         list if {@link #getStatus()} is not {@link Status#CONFLICTS};
 	 */
-	public List<File> getConflictList() {
+	public List<String> getConflictList() {
 		return conflictList;
 	}
 
@@ -134,7 +133,7 @@ public class CheckoutResult {
 	 *         an empty list if {@link #getStatus()} is not
 	 *         {@link Status#NONDELETED};
 	 */
-	public List<File> getUndeletedList() {
+	public List<String> getUndeletedList() {
 		return undeletedList;
 	}