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From: "Tomi Pakarinen" <tomi.pakarinen@gmail.com>
To: "Shawn O. Pearce" <spearce@spearce.org>
Cc: "Robin Rosenberg" <robin.rosenberg@dewire.com>, git@vger.kernel.org
Subject: Re: [JGIT PATCH 8/8] Define a basic merge API, and a two-way tree merge strategy
Date: Sat, 17 Jan 2009 21:16:21 +0200	[thread overview]
Message-ID: <f299b4f30901171116y216835c9jc11df2d424ee0377@mail.gmail.com> (raw)
In-Reply-To: <20090115210936.GI10179@spearce.org>

testTrivialTwoWay_disjointhistories() failed because merge strategy
didn't handle missing base
version. Am'i right?

  Tomi.

>From 1ed694b55d307c640d29eeebfcd108e08681297b Mon Sep 17 00:00:00 2001
From: Tomi Pakarinen <tomi.pakarinen@iki.fi>
Date: Sat, 17 Jan 2009 20:56:04 +0200
Subject: [PATCH] If base version missing, we can merge version from
one of other trees.

Signed-off-by: Tomi Pakarinen <tomi.pakarinen@iki.fi>
---
 .../jgit/merge/StrategySimpleTwoWayInCore.java     |   28 +++++++++++++++-----
 1 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/org.spearce.jgit/src/org/spearce/jgit/merge/StrategySimpleTwoWayInCore.java
b/org.spearce.jgit/src/org/spearce/jgit/merge/StrategySimpleTwoWayInCore.java
index 893add9..eb718ab 100644
--- a/org.spearce.jgit/src/org/spearce/jgit/merge/StrategySimpleTwoWayInCore.java
+++ b/org.spearce.jgit/src/org/spearce/jgit/merge/StrategySimpleTwoWayInCore.java
@@ -43,6 +43,7 @@
 import org.spearce.jgit.dircache.DirCacheBuilder;
 import org.spearce.jgit.dircache.DirCacheEntry;
 import org.spearce.jgit.errors.UnmergedPathException;
+import org.spearce.jgit.lib.FileMode;
 import org.spearce.jgit.lib.ObjectId;
 import org.spearce.jgit.lib.Repository;
 import org.spearce.jgit.treewalk.AbstractTreeIterator;
@@ -119,13 +120,26 @@ protected boolean mergeImpl() throws IOException {
 				}

 				final int modeB = tw.getRawMode(T_BASE);
-				if (modeB == modeO && tw.idEqual(T_BASE, T_OURS))
-					add(T_THEIRS, DirCacheEntry.STAGE_0);
-				else if (modeB == modeT && tw.idEqual(T_BASE, T_THEIRS))
-					add(T_OURS, DirCacheEntry.STAGE_0);
-				else {
-					conflict();
-					hasConflict = true;
+				if (!FileMode.MISSING.equals(modeB)) {
+					if (modeB == modeO && tw.idEqual(T_BASE, T_OURS))
+						add(T_THEIRS, DirCacheEntry.STAGE_0);
+					else if (modeB == modeT && tw.idEqual(T_BASE, T_THEIRS))
+						add(T_OURS, DirCacheEntry.STAGE_0);
+					else {
+						conflict();
+						hasConflict = true;
+					}
+				} else {
+					if (!FileMode.MISSING.equals(modeO)
+							&& FileMode.MISSING.equals(modeT))
+						add(T_OURS, DirCacheEntry.STAGE_0);
+					else if (FileMode.MISSING.equals(modeO)
+							&& !FileMode.MISSING.equals(modeT))
+						add(T_THEIRS, DirCacheEntry.STAGE_0);
+					else {
+						conflict();
+						hasConflict = true;
+					}
 				}
 			}
 			builder.finish();
-- 
1.6.0.4

  reply	other threads:[~2009-01-17 19:18 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-13 21:10 [JGIT PATCH 0/8] Crude merge support Shawn O. Pearce
2008-10-13 21:10 ` [JGIT PATCH 1/8] Expose the raw path for the current entry of a TreeWalk Shawn O. Pearce
2008-10-13 21:10   ` [JGIT PATCH 2/8] Expose DirCacheEntry.getFileMode as a utility function Shawn O. Pearce
2008-10-13 21:10     ` [JGIT PATCH 3/8] Add writeTree support to DirCache Shawn O. Pearce
2008-10-13 21:10       ` [JGIT PATCH 4/8] Allow a DirCache to be created with no backing store file Shawn O. Pearce
2008-10-13 21:10         ` [JGIT PATCH 5/8] Allow CanonicalTreeParsers to be created with a UTF-8 path prefix Shawn O. Pearce
2008-10-13 21:10           ` [JGIT PATCH 6/8] Recursively load an entire tree into a DirCacheBuilder Shawn O. Pearce
2008-10-13 21:10             ` [JGIT PATCH 7/8] Allow DirCacheEntry instances to be created with stage > 0 Shawn O. Pearce
2008-10-13 21:10               ` [JGIT PATCH 8/8] Define a basic merge API, and a two-way tree merge strategy Shawn O. Pearce
2008-10-23 21:14                 ` Robin Rosenberg
2009-01-15 21:05                   ` Robin Rosenberg
2009-01-15 21:09                     ` Shawn O. Pearce
2009-01-17 19:16                       ` Tomi Pakarinen [this message]
2009-01-18 20:21                         ` Robin Rosenberg
2009-01-19 17:42                         ` Shawn O. Pearce
2009-01-19 17:51                           ` Shawn O. Pearce

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