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2012-07-05 01:58:34
不幸的是，Thilo的答案不适用于最新的JGit API。这是我找到的解决方案：
File repoDir = new File("test-git");
// open the repository
Repository repository = new Repository(repoDir);
// find the HEAD
ObjectId lastCommitId = repository.resolve(Constants.HEAD);
// now we have to get the commit
RevWalk revWalk = new RevWalk(repository);
RevCommit commit = revWalk.parseCommit(lastCommitId);
// and using commit's tree find the path
RevTree tree = commit.getTree();
TreeWalk treeWalk = new TreeWalk(repository);
treeWalk.addTree(tree);
treeWalk.setRecursive(true);
treeWalk.setFilter(PathFilter.create(path));
if (!treeWalk.next()) {
return null;
}
ObjectId objectId = treeWalk.getObjectId(0);
ObjectLoader loader = repository.open(objectId);
// and then one can use either
InputStream in = loader.openStream()
// or
loader.copyTo(out)
我希望它更简单。
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谁设计了这个API？
您知道treeWalk.getObjectId（nth）中的第n个值是什么吗？（即，在什么情况下我们将大于0的值传递给treeWalk.getObjectId？）
@DinisCruz
TreeWalk可以遍历一棵以上的树（通过addTree多次调用）。在这种情况下，您可以用来getObjectId(N)从树N中获取对象ID（根据树的不同，ID可能相同或不同）。请参阅creinig的答案，以了解如何通过使用来简化此操作
TreeWalk.forPath。如何将的输出保存
loader到变量中？