Normalize paths on OS X

Java normalizes paths to NFC, but other source may not, e.g Eclipse.

Bug: 413390
Change-Id: I08649ac58c9b3cb8bf12794703e4137b1b4e94d5
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

2 files changed, 36 insertions, 0 deletions

diff --git a/org.eclipse.jgit.java7/src/org/eclipse/jgit/util/FS_POSIX_Java7.java b/org.eclipse.jgit.java7/src/org/eclipse/jgit/util/FS_POSIX_Java7.java
index e8307fc2b0..0879e8021f 100644
--- a/org.eclipse.jgit.java7/src/org/eclipse/jgit/util/FS_POSIX_Java7.java
+++ b/org.eclipse.jgit.java7/src/org/eclipse/jgit/util/FS_POSIX_Java7.java
@@ -156,4 +156,20 @@ public class FS_POSIX_Java7 extends FS_POSIX {
 	public Attributes getAttributes(File path) {
 		return FileUtil.getFileAttributesPosix(this, path);
 	}
+
+	/**
+	 * @since 3.3
+	 */
+	@Override
+	public File normalize(File file) {
+		return FileUtil.normalize(file);
+	}
+
+	/**
+	 * @since 3.3
+	 */
+	@Override
+	public String normalize(String name) {
+		return FileUtil.normalize(name);
+	}
 }
diff --git a/org.eclipse.jgit.java7/src/org/eclipse/jgit/util/FileUtil.java b/org.eclipse.jgit.java7/src/org/eclipse/jgit/util/FileUtil.java
index 78dc2c3934..c958494d04 100644
--- a/org.eclipse.jgit.java7/src/org/eclipse/jgit/util/FileUtil.java
+++ b/org.eclipse.jgit.java7/src/org/eclipse/jgit/util/FileUtil.java
@@ -222,4 +222,24 @@ class FileUtil {
 		}
 	}
 
+	public static File normalize(File file) {
+		if (SystemReader.getInstance().isMacOS()) {
+			// TODO: Would it be faster to check with isNormalized first
+			// assuming normalized paths are much more common
+			String normalized = Normalizer.normalize(file.getPath(),
+					Normalizer.Form.NFC);
+			return new File(normalized);
+		}
+		return file;
+	}
+
+	public static String normalize(String name) {
+		if (SystemReader.getInstance().isMacOS()) {
+			if (name == null)
+				return null;
+			return Normalizer.normalize(name, Normalizer.Form.NFC);
+		}
+		return name;
+	}
+
 }