Move constants used for config-files to ConfigConstants

Change-Id: I7d8db4bfa1a851afd599bb8eaa8f8273204d2e1d

org.eclipse.jgit/src/org/eclipse/jgit/lib/ConfigConstants.java

@@ -107,6 +107,12 @@ public class ConfigConstants {
 	 */
 	public static final String CONFIG_PULL_SECTION = "pull";
 
+	/**
+	 * The "filter" section
+	 * @since 4.6
+	 */
+	public static final String CONFIG_FILTER_SECTION = "filter";
+
 	/** The "algorithm" key */
 	public static final String CONFIG_KEY_ALGORITHM = "algorithm";
 
@@ -361,4 +367,11 @@ public class ConfigConstants {
 	 * @since 4.0
 	 */
 	public static final String CONFIG_KEY_STREAM_RATIO = "streamRatio";
+
+	/**
+	 * Flag in the filter section whether to use JGit's implementations of
+	 * filters and hooks
+	 * @since 4.6
+	 */
+	public static final String CONFIG_KEY_USEJGITBUILTIN = "useJGitBuiltin";
 }

org.eclipse.jgit/src/org/eclipse/jgit/lib/Constants.java

@@ -391,13 +391,6 @@ public final class Constants {
 	 */
 	public static final String ATTR_FILTER_TYPE_SMUDGE = "smudge";
 
-	/**
-	 * Whether to use JGit's implementations of filters and hooks
-	 *
-	 * @since 4.6
-	 */
-	public static final String ATTR_FILTER_USE_BUILTIN = "useJGitBuiltin";
-
 	/**
 	 * Builtin filter commands start with this prefix
 	 *

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

@@ -65,6 +65,7 @@ import org.eclipse.jgit.errors.MissingObjectException;
 import org.eclipse.jgit.errors.StopWalkException;
 import org.eclipse.jgit.lib.AnyObjectId;
 import org.eclipse.jgit.lib.Config;
+import org.eclipse.jgit.lib.ConfigConstants;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.CoreConfig.EolStreamType;
 import org.eclipse.jgit.lib.FileMode;
@@ -1372,10 +1373,11 @@ public class TreeWalk implements AutoCloseable, AttributesProvider {
 		String filterCommand = filterCommandsByNameDotType.get(key);
 		if (filterCommand != null)
 			return filterCommand;
-		filterCommand = config.getString(Constants.ATTR_FILTER,
+		filterCommand = config.getString(ConfigConstants.CONFIG_FILTER_SECTION,
 				filterDriverName, filterCommandType);
-		boolean useBuiltin = config.getBoolean(Constants.ATTR_FILTER,
-				filterDriverName, Constants.ATTR_FILTER_USE_BUILTIN, false);
+		boolean useBuiltin = config.getBoolean(
+				ConfigConstants.CONFIG_FILTER_SECTION,
+				filterDriverName, ConfigConstants.CONFIG_KEY_USEJGITBUILTIN, false);
 		if (useBuiltin) {
 			String builtinFilterCommand = Constants.BUILTIN_FILTER_PREFIX
 					+ filterDriverName + '/' + filterCommandType;