Remove ambiguous CheckoutConflictException

Checkout command should throw o.e.j.api.errors.CheckoutConflictException
which is a GitAPIException not o.e.j.errors.CheckoutConflictException.
PullCommand should rethrow the API exception as a JGitInternalException.

Bug: 356922
Change-Id: I865c4905997d9834c85a97fbe7287604daf99075
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

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

@@ -56,6 +56,7 @@ import java.io.FileInputStream;
 import java.io.IOException;
 
 import org.eclipse.jgit.api.CheckoutResult.Status;
+import org.eclipse.jgit.api.errors.CheckoutConflictException;
 import org.eclipse.jgit.api.errors.InvalidRefNameException;
 import org.eclipse.jgit.api.errors.JGitInternalException;
 import org.eclipse.jgit.api.errors.RefAlreadyExistsException;
@@ -127,7 +128,8 @@ public class CheckoutCommandTest extends RepositoryTestCase {
 
 	@Test
 	public void testCheckoutToNonExistingBranch() throws JGitInternalException,
-			RefAlreadyExistsException, InvalidRefNameException {
+			RefAlreadyExistsException, InvalidRefNameException,
+			CheckoutConflictException {
 		try {
 			git.checkout().setName("badbranch").call();
 			fail("Should have failed");
@@ -222,7 +224,7 @@ public class CheckoutCommandTest extends RepositoryTestCase {
 	@Test
 	public void testDetachedHeadOnCheckout() throws JGitInternalException,
 			RefAlreadyExistsException, RefNotFoundException,
-			InvalidRefNameException, IOException {
+			InvalidRefNameException, IOException, CheckoutConflictException {
 		CheckoutCommand co = git.checkout();
 		co.setName("master").call();
 

org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/DirCacheCheckoutTest.java

@@ -62,7 +62,6 @@ import org.eclipse.jgit.api.MergeResult.MergeStatus;
 import org.eclipse.jgit.api.ResetCommand.ResetType;
 import org.eclipse.jgit.api.Status;
 import org.eclipse.jgit.api.errors.GitAPIException;
-import org.eclipse.jgit.api.errors.JGitInternalException;
 import org.eclipse.jgit.api.errors.NoFilepatternException;
 import org.eclipse.jgit.dircache.DirCache;
 import org.eclipse.jgit.dircache.DirCacheCheckout;
@@ -1015,7 +1014,7 @@ public class DirCacheCheckoutTest extends RepositoryTestCase {
 		try {
 			checkout.call();
 			fail("Checkout exception not thrown");
-		} catch (JGitInternalException e) {
+		} catch (org.eclipse.jgit.api.errors.CheckoutConflictException e) {
 			CheckoutResult result = checkout.getResult();
 			assertNotNull(result);
 			assertNotNull(result.getConflictList());

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

@@ -51,6 +51,7 @@ import java.util.List;
 
 import org.eclipse.jgit.JGitText;
 import org.eclipse.jgit.api.CheckoutResult.Status;
+import org.eclipse.jgit.api.errors.CheckoutConflictException;
 import org.eclipse.jgit.api.errors.InvalidRefNameException;
 import org.eclipse.jgit.api.errors.JGitInternalException;
 import org.eclipse.jgit.api.errors.RefAlreadyExistsException;
@@ -62,7 +63,6 @@ import org.eclipse.jgit.dircache.DirCacheEditor.PathEdit;
 import org.eclipse.jgit.dircache.DirCacheEntry;
 import org.eclipse.jgit.dircache.DirCacheIterator;
 import org.eclipse.jgit.errors.AmbiguousObjectException;
-import org.eclipse.jgit.errors.CheckoutConflictException;
 import org.eclipse.jgit.lib.AnyObjectId;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.FileMode;
@@ -124,7 +124,8 @@ public class CheckoutCommand extends GitCommand<Ref> {
 	 * @return the newly created branch
 	 */
 	public Ref call() throws JGitInternalException, RefAlreadyExistsException,
-			RefNotFoundException, InvalidRefNameException {
+			RefNotFoundException, InvalidRefNameException,
+			CheckoutConflictException {
 		checkCallable();
 		processOptions();
 		try {
@@ -164,10 +165,10 @@ public class CheckoutCommand extends GitCommand<Ref> {
 			dco.setFailOnConflict(true);
 			try {
 				dco.checkout();
-			} catch (CheckoutConflictException e) {
+			} catch (org.eclipse.jgit.errors.CheckoutConflictException e) {
 				status = new CheckoutResult(Status.CONFLICTS, dco
 						.getConflicts());
-				throw e;
+				throw new CheckoutConflictException(dco.getConflicts(), e);
 			}
 			Ref ref = repo.getRef(name);
 			if (ref != null && !ref.getName().startsWith(Constants.R_HEADS))

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

@@ -62,6 +62,7 @@ import java.util.Map;
 
 import org.eclipse.jgit.JGitText;
 import org.eclipse.jgit.api.RebaseResult.Status;
+import org.eclipse.jgit.api.errors.CheckoutConflictException;
 import org.eclipse.jgit.api.errors.GitAPIException;
 import org.eclipse.jgit.api.errors.InvalidRefNameException;
 import org.eclipse.jgit.api.errors.JGitInternalException;
@@ -676,6 +677,8 @@ public class RebaseCommand extends GitCommand<RebaseResult> {
 			throw new JGitInternalException(e.getMessage(), e);
 		} catch (InvalidRefNameException e) {
 			throw new JGitInternalException(e.getMessage(), e);
+		} catch (CheckoutConflictException e) {
+			throw new JGitInternalException(e.getMessage(), e);
 		}
 	}
 

org.eclipse.jgit/src/org/eclipse/jgit/api/errors/CheckoutConflictException.java

@@ -55,6 +55,8 @@ public class CheckoutConflictException extends GitAPIException {
 	 *            list of conflicting paths
 	 *
 	 * @param e
+	 *            a {@link org.eclipse.jgit.errors.CheckoutConflictException}
+	 *            exception
 	 */
 	public CheckoutConflictException(List<String> conflictingPaths,
 			org.eclipse.jgit.errors.CheckoutConflictException e) {