我如何做相当于“git diff --name-status”的操作。用jgit? [英] How do I do the equivalent of "git diff --name-status" with jgit?
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问题描述
我想获取修订版XXXXXX和HEAD之间已更改/添加/删除的文件列表。这就是我到目前为止:
I want to get a list of changed/added/deleted files between revision XXXXXX and HEAD. This is what I have so far:
String oldHash = "a97e5553e37a25bd1a3c99eab303145baed08dbd";
Git git = Git.open(new File("/tmp/jgit"));
Repository repository = git.getRepository();
ObjectId old = repository.resolve(oldHash);
ObjectId head = repository.resolve("HEAD");
// how do i get the trees from the obj. id?
List<<DiffEntry> diffs = git.diff().setNewTree(null).setOldTree(null).call();
for(DiffEntry diff : diffs) {
// do stuff
}
这是正确的方法,如果是这样,我如何获得git.diff()所需的树?
Is this the right way to go about it and if so, how do I get the trees required for git.diff() ?
推荐答案
您可以通过调用获取HEAD和散列的树ID:
You can get the tree id for HEAD and the hash by calling:
ObjectId head = repository.resolve("HEAD^{tree}");
和修订版ID:
ObjectId old = repository.resolve(oldHash + "^{tree}");
获得树ID后,您可以创建树迭代器并获取差异:
Once you have the tree ids you can create the tree iterators and get the diffs:
ObjectReader reader = repository.newObjectReader();
CanonicalTreeParser oldTreeIter = new CanonicalTreeParser();
oldTreeIter.reset(reader, oldId);
CanonicalTreeParser newTreeIter = new CanonicalTreeParser();
newTreeIter.reset(reader, headId);
List<DiffEntry> diffs= git.diff()
.setNewTree(newTreeIter)
.setOldTree(oldTreeIter)
.call();
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