[JGIT PATCH 15/15 v2] Treat "diff --combined" the same as "diff --cc"

["Shawn O. Pearce" <spearce@spearce.org>]

According to the git diff manual page these two formats
share the same file structure, so we can parse them with
the same function.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
---
  Robin Rosenberg <robin.rosenberg.lists@dewire.com> wrote:
  > 
  > The source for CombinedFileHeader would be nice. 

  Dammit, that wasn't added until 12/12 of the final series.
  A new 12/12 v2 will be sent in a minute.
   
  > Btw, I moved the patches to the test-rsrc directory to make it possible
  > to run the unit tests throuh maven.
  
  Oh.

 .../src/org/spearce/jgit/patch/Patch.java          |   13 ++++++++++---
 1 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/org.spearce.jgit/src/org/spearce/jgit/patch/Patch.java b/org.spearce.jgit/src/org/spearce/jgit/patch/Patch.java
index e1e79b7..9ae2635 100644
--- a/org.spearce.jgit/src/org/spearce/jgit/patch/Patch.java
+++ b/org.spearce.jgit/src/org/spearce/jgit/patch/Patch.java
@@ -57,6 +57,8 @@
 
 	private static final byte[] DIFF_CC = encodeASCII("diff --cc ");
 
+	private static final byte[] DIFF_COMBINED = encodeASCII("diff --combined ");
+
 	private static final byte[][] BIN_HEADERS = new byte[][] {
 			encodeASCII("Binary files "), encodeASCII("Files "), };
 
@@ -177,7 +179,9 @@ private int parseFile(final byte[] buf, int c, final int end) {
 			if (match(buf, c, DIFF_GIT) >= 0)
 				return parseDiffGit(buf, c, end);
 			if (match(buf, c, DIFF_CC) >= 0)
-				return parseDiffCC(buf, c, end);
+				return parseDiffCombined(DIFF_CC, buf, c, end);
+			if (match(buf, c, DIFF_COMBINED) >= 0)
+				return parseDiffCombined(DIFF_COMBINED, buf, c, end);
 
 			// Junk between files? Leading junk? Traditional
 			// (non-git generated) patch?
@@ -227,9 +231,10 @@ private int parseDiffGit(final byte[] buf, final int start, final int end) {
 		return ptr;
 	}
 
-	private int parseDiffCC(final byte[] buf, final int start, final int end) {
+	private int parseDiffCombined(final byte[] hdr, final byte[] buf,
+			final int start, final int end) {
 		final FileHeader fh = new FileHeader(buf, start);
-		int ptr = fh.parseGitFileName(start + DIFF_CC.length, end);
+		int ptr = fh.parseGitFileName(start + hdr.length, end);
 		if (ptr < 0)
 			return skipFile(buf, start, end);
 
@@ -269,6 +274,8 @@ private int parseHunks(final FileHeader fh, int c, final int end) {
 				break;
 			if (match(buf, c, DIFF_CC) >= 0)
 				break;
+			if (match(buf, c, DIFF_COMBINED) >= 0)
+				break;
 			if (match(buf, c, OLD_NAME) >= 0)
 				break;
 			if (match(buf, c, NEW_NAME) >= 0)
-- 
1.6.1.rc2.306.ge5d5e


-- 
Shawn.