Re: [JGIT PATCH 2/3] Fix ObjectWalk to handle single-entry subtrees correctly
"Shawn O. Pearce" <spearce@spearce.org> wrote:
Show 23 quoted lines
> diff --git a/org.spearce.jgit/src/org/spearce/jgit/treewalk/CanonicalTreeParser.java b/org.spearce.jgit/src/org/spearce/jgit/treewalk/CanonicalTreeParser.java
> index 8028b14..5c331ca 100644
> --- a/org.spearce.jgit/src/org/spearce/jgit/treewalk/CanonicalTreeParser.java
> +++ b/org.spearce.jgit/src/org/spearce/jgit/treewalk/CanonicalTreeParser.java
> @@ -145,8 +145,19 @@ public CanonicalTreeParser resetRoot(final Repository repo,
>
> /** @return this iterator, or its parent, if the tree is at eof. */
> public CanonicalTreeParser next() {
> - next(1);
> - return eof() && parent != null ? (CanonicalTreeParser) parent : this;
> + CanonicalTreeParser p = this;
> + for (;;) {
> + p.next(1);
> + if (p.eof() && parent != null) {
> + // Parent was left pointing at the entry for us; advance
> + // the parent to the next entry, possibly unwinding many
> + // levels up the tree.
> + //
> + p = (CanonicalTreeParser) p.parent;
> + continue;
> + }
> + return p;
> + }The parent != null test is wrong, we need "p.parent" here:
diff --git a/org.spearce.jgit/src/org/spearce/jgit/treewalk/CanonicalTreeParser.java b/org.spearce.jgit/src/org/spearce/jgit/treewalk/CanonicalTreeParser.java
index 5c331ca..7f89cff 100644
--- a/org.spearce.jgit/src/org/spearce/jgit/treewalk/CanonicalTreeParser.java
+++ b/org.spearce.jgit/src/org/spearce/jgit/treewalk/CanonicalTreeParser.java
@@ -148,7 +148,7 @@ public CanonicalTreeParser next() {
CanonicalTreeParser p = this;
for (;;) {
p.next(1);
- if (p.eof() && parent != null) {
+ if (p.eof() && p.parent != null) {
// Parent was left pointing at the entry for us; advance
// the parent to the next entry, possibly unwinding many
// levels up the tree.
--
Shawn.