/// <exception cref="System.IO.IOException"></exception>
private bool ProcessOne(Candidate n)
{
RevCommit parent = n.GetParent(0);
if (parent == null)
{
return(Split(n.GetNextCandidate(0), n));
}
if (parent.Has(SEEN))
{
return(false);
}
revPool.ParseHeaders(parent);
if (Find(parent, n.sourcePath))
{
if (idBuf.Equals(n.sourceBlob))
{
// The common case of the file not being modified in
// a simple string-of-pearls history. Blame parent.
n.sourceCommit = parent;
Push(n);
return(false);
}
Candidate next = n.Create(parent, n.sourcePath);
next.sourceBlob = idBuf.ToObjectId();
next.LoadText(reader);
return(Split(next, n));
}
if (n.sourceCommit == null)
{
return(Result(n));
}
DiffEntry r = FindRename(parent, n.sourceCommit, n.sourcePath);
if (r == null)
{
return(Result(n));
}
if (0 == r.GetOldId().PrefixCompare(n.sourceBlob))
{
// A 100% rename without any content change can also
// skip directly to the parent.
n.sourceCommit = parent;
n.sourcePath = PathFilter.Create(r.GetOldPath());
Push(n);
return(false);
}
Candidate next_1 = n.Create(parent, PathFilter.Create(r.GetOldPath()));
next_1.sourceBlob = r.GetOldId().ToObjectId();
next_1.renameScore = r.GetScore();
next_1.LoadText(reader);
return(Split(next_1, n));
}