} finally {
br.close();
}
pm.beginTask("Rewriting commits", queue.size());
final ObjectInserter oi = db.newObjectInserter();
final ObjectId emptyTree = oi.insert(Constants.OBJ_TREE, new byte[] {});
final PersonIdent me = new PersonIdent("jgit rebuild-commitgraph", //$NON-NLS-1$
"rebuild-commitgraph@localhost"); //$NON-NLS-1$
while (!queue.isEmpty()) {
final ListIterator<ToRewrite> itr = queue
.listIterator(queue.size());
queue = new ArrayList<ToRewrite>();
REWRITE: while (itr.hasPrevious()) {
final ToRewrite t = itr.previous();
final ObjectId[] newParents = new ObjectId[t.oldParents.length];
for (int k = 0; k < t.oldParents.length; k++) {
final ToRewrite p = toRewrite.get(t.oldParents[k]);
if (p != null) {
if (p.newId == null) {
// Must defer until after the parent is rewritten.
queue.add(t);
continue REWRITE;
} else {
newParents[k] = p.newId;
}
} else {
// We have the old parent object. Use it.
//
newParents[k] = t.oldParents[k];
}
}
final CommitBuilder newc = new CommitBuilder();
newc.setTreeId(emptyTree);
newc.setAuthor(new PersonIdent(me, new Date(t.commitTime)));
newc.setCommitter(newc.getAuthor());
newc.setParentIds(newParents);
newc.setMessage("ORIGINAL " + t.oldId.name() + "\n"); //$NON-NLS-2$
t.newId = oi.insert(newc);
rewrites.put(t.oldId, t.newId);
pm.update(1);
}
}
oi.flush();
oi.release();
pm.endTask();
}