TreeWalk: Make getEolStreamType(OperationType) public

and deprecate getEolStreamType().

This resolves a TODO that was apparently supposed to be done in
version 4.4.

Change-Id: I5c9861aedabdc3f99dcf47519b3959a979e6a591

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

@@ -43,6 +43,8 @@
  */
 package org.eclipse.jgit.api;
 
+import static org.eclipse.jgit.treewalk.TreeWalk.OperationType.CHECKOUT_OP;
+
 import java.io.IOException;
 import java.text.MessageFormat;
 import java.util.ArrayList;
@@ -468,7 +470,8 @@ public class CheckoutCommand extends GitCommand<Ref> {
 			if (path.equals(previousPath))
 				continue;
 
-			final EolStreamType eolStreamType = treeWalk.getEolStreamType();
+			final EolStreamType eolStreamType = treeWalk
+					.getEolStreamType(CHECKOUT_OP);
 			final String filterCommand = treeWalk
 					.getFilterCommand(Constants.ATTR_FILTER_TYPE_SMUDGE);
 			editor.add(new PathEdit(path) {
@@ -508,7 +511,8 @@ public class CheckoutCommand extends GitCommand<Ref> {
 		while (treeWalk.next()) {
 			final ObjectId blobId = treeWalk.getObjectId(0);
 			final FileMode mode = treeWalk.getFileMode(0);
-			final EolStreamType eolStreamType = treeWalk.getEolStreamType();
+			final EolStreamType eolStreamType = treeWalk
+					.getEolStreamType(CHECKOUT_OP);
 			final String filterCommand = treeWalk
 					.getFilterCommand(Constants.ATTR_FILTER_TYPE_SMUDGE);
 			final String path = treeWalk.getPathString();

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

@@ -42,6 +42,8 @@
  */
 package org.eclipse.jgit.api;
 
+import static org.eclipse.jgit.treewalk.TreeWalk.OperationType.CHECKOUT_OP;
+
 import java.io.IOException;
 import java.text.MessageFormat;
 import java.util.HashSet;
@@ -355,7 +357,8 @@ public class StashApplyCommand extends GitCommand<ObjectId> {
 					// Not in commit, don't create untracked
 					continue;
 
-				final EolStreamType eolStreamType = walk.getEolStreamType();
+				final EolStreamType eolStreamType = walk
+						.getEolStreamType(CHECKOUT_OP);
 				final DirCacheEntry entry = new DirCacheEntry(walk.getRawPath());
 				entry.setFileMode(cIter.getEntryFileMode());
 				entry.setObjectIdFromRaw(cIter.idBuffer(), cIter.idOffset());

org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheCheckout.java

@@ -42,6 +42,8 @@
 
 package org.eclipse.jgit.dircache;
 
+import static org.eclipse.jgit.treewalk.TreeWalk.OperationType.CHECKOUT_OP;
+
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
@@ -1148,7 +1150,8 @@ public class DirCacheCheckout {
 	private void update(String path, ObjectId mId, FileMode mode)
 			throws IOException {
 		if (!FileMode.TREE.equals(mode)) {
-			updated.put(path, new CheckoutMetadata(walk.getEolStreamType(),
+			updated.put(path, new CheckoutMetadata(
+					walk.getEolStreamType(CHECKOUT_OP),
 					walk.getFilterCommand(Constants.ATTR_FILTER_TYPE_SMUDGE)));
 
 			DirCacheEntry entry = new DirCacheEntry(path, DirCacheEntry.STAGE_0);

org.eclipse.jgit/src/org/eclipse/jgit/treewalk/TreeWalk.java

@@ -592,13 +592,14 @@ public class TreeWalk implements AutoCloseable, AttributesProvider {
 	 * @return the EOL stream type of the current entry using the config and
 	 *         {@link #getAttributes()} Note that this method may return null if
 	 *         the {@link TreeWalk} is not based on a working tree
+	 * @since 4.10
 	 */
-	// TODO(msohn) make this method public in 4.4
 	@Nullable
-	EolStreamType getEolStreamType(OperationType opType) {
+	public EolStreamType getEolStreamType(OperationType opType) {
 		if (attributesNodeProvider == null || config == null)
 			return null;
-		return EolStreamTypeUtil.detectStreamType(opType,
+		return EolStreamTypeUtil.detectStreamType(
+				opType != null ? opType : operationType,
 					config.get(WorkingTreeOptions.KEY), getAttributes());
 	}
 
@@ -607,8 +608,9 @@ public class TreeWalk implements AutoCloseable, AttributesProvider {
 	 *         {@link #getAttributes()} Note that this method may return null if
 	 *         the {@link TreeWalk} is not based on a working tree
 	 * @since 4.3
+	 * @deprecated use {@link #getEolStreamType(OperationType)} instead.
 	 */
-	// TODO(msohn) deprecate this method in 4.4
+	@Deprecated
 	public @Nullable EolStreamType getEolStreamType() {
 		return (getEolStreamType(operationType));
 	}

org.eclipse.jgit/src/org/eclipse/jgit/treewalk/WorkingTreeIterator.java

@@ -1394,11 +1394,7 @@ public abstract class WorkingTreeIterator extends AbstractTreeIterator {
 		if (eolStreamTypeHolder == null) {
 			EolStreamType type=null;
 			if (state.walk != null) {
-				if (opType != null) {
-					type = state.walk.getEolStreamType(opType);
-				} else {
-					type=state.walk.getEolStreamType();
-				}
+				type = state.walk.getEolStreamType(opType);
 			} else {
 				switch (getOptions().getAutoCRLF()) {
 				case FALSE: