Use constants from ConfigConstants in CoreConfig

Change-Id: Ic1253498ecdd7545c6b1f114f4c83a3b77273874

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

@@ -75,6 +75,9 @@ public class ConfigConstants {
 	/** The "submodule" section */
 	public static final String CONFIG_SUBMODULE_SECTION = "submodule";
 
+	/** The "pack" section */
+	public static final String CONFIG_PACK_SECTION = "pack";
+
 	/** The "algorithm" key */
 	public static final String CONFIG_KEY_ALGORITHM = "algorithm";
 
@@ -169,4 +172,10 @@ public class ConfigConstants {
 
 	/** The "update" key */
 	public static final String CONFIG_KEY_UPDATE = "update";
+
+	/** The "compression" key */
+	public static final String CONFIG_KEY_COMPRESSION = "compression";
+
+	/** The "indexversion" key */
+	public static final String CONFIG_KEY_INDEXVERSION = "indexversion";
 }

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

@@ -83,9 +83,12 @@ public class CoreConfig {
 	private final String excludesfile;
 
 	private CoreConfig(final Config rc) {
-		compression = rc.getInt("core", "compression", DEFAULT_COMPRESSION);
-		packIndexVersion = rc.getInt("pack", "indexversion", 2);
-		logAllRefUpdates = rc.getBoolean("core", "logallrefupdates", true);
+		compression = rc.getInt(ConfigConstants.CONFIG_CORE_SECTION,
+				ConfigConstants.CONFIG_KEY_COMPRESSION, DEFAULT_COMPRESSION);
+		packIndexVersion = rc.getInt(ConfigConstants.CONFIG_PACK_SECTION,
+				ConfigConstants.CONFIG_KEY_INDEXVERSION, 2);
+		logAllRefUpdates = rc.getBoolean(ConfigConstants.CONFIG_CORE_SECTION,
+				ConfigConstants.CONFIG_KEY_LOGALLREFUPDATES, true);
 		excludesfile = rc.getString(ConfigConstants.CONFIG_CORE_SECTION, null,
 				ConfigConstants.CONFIG_KEY_EXCLUDESFILE);
 	}