Signed-off-by: Tor Arne Vestbø <torarnv@xxxxxxxxx>
---
.../src/org/spearce/jgit/treewalk/TreeWalk.java | 12 +++++++++++-
1 files changed, 11 insertions(+), 1 deletions(-)
diff --git a/org.spearce.jgit/src/org/spearce/jgit/treewalk/TreeWalk.java b/org.spearce.jgit/src/org/spearce/jgit/treewalk/TreeWalk.java
index cbecb05..189fc86 100644
--- a/org.spearce.jgit/src/org/spearce/jgit/treewalk/TreeWalk.java
+++ b/org.spearce.jgit/src/org/spearce/jgit/treewalk/TreeWalk.java
@@ -61,6 +61,8 @@
* <p>
* This class can perform n-way differences across as many trees as necessary.
* <p>
+ * Each tree added must have the same root as existing trees in the walk.
+ * <p>
* A TreeWalk instance can only be used once to generate results. Running a
* second time requires creating a new TreeWalk instance, or invoking
* {@link #reset()} and adding new trees before starting again. Resetting an
@@ -87,7 +89,7 @@
* @param path
* single path to advance the tree walk instance into.
* @param trees
- * one or more trees to walk through.
+ * one or more trees to walk through, all with the same root.
* @return a new tree walk configured for exactly this one path; null if no
* path was found in any of the trees.
* @throws IOException
@@ -377,6 +379,8 @@ public void reset(final AnyObjectId[] ids) throws MissingObjectException,
* <p>
* The position of this tree is returned to the caller, in case the caller
* has lost track of the order they added the trees into the walker.
+ * <p>
+ * The tree must have the same root as existing trees in the walk.
*
* @param id
* identity of the tree object the caller wants walked.
@@ -403,10 +407,16 @@ public int addTree(final ObjectId id) throws MissingObjectException,
* <p>
* The position of this tree is returned to the caller, in case the caller
* has lost track of the order they added the trees into the walker.
+ * <p>
+ * The tree which the iterator operates on must have the same root as
+ * existing trees in the walk.
*
* @param p
* an iterator to walk over. The iterator should be new, with no
* parent, and should still be positioned before the first entry.
+ * The tree which the iterator operates on must have the same root
+ * as other trees in the walk.
+ *
* @return position of this tree within the walker.
* @throws CorruptObjectException
* the iterator was unable to obtain its first entry, due to
--
1.6.1.2.309.g2ea3
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