how to diff one file in working dir against a Blob?
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描述
pygit2 version python3-pygit2-0.23.3-2.fc23.x86_64
I cannot figure out how I can get a diff for only one file.
How do I arrange to have pygit2 return the diff of a Blob against the working dir file?
I looked at calling diff_to_working on a new Index(), but that fails because the new Index() does not
self._repo filled in.
TreeBuilder() seems is unable to help as it requires putting tree objects into the repo to allow
for the folder structure, for example to diff Source/file.py. needs a tree for Source. I clearly
do not want to be writting files into the repo to do a diff.
Did I miss something in API?
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- 先读完整个 Issue,再读项目的贡献指南。
- 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
- Fork 仓库,在一个分支上完成修改。
- 提交 Pull Request,并在描述里引用这个 Issue 编号。
调研方向
首先查看 issue 中提到的 diff_to_working 和 Index API,以及 pygit2 如何表示 Blob 和工作目录文件。确定是否存在支持此比较的现有 API,且无需创建 repository tree 对象;当确定或指定出一条支持单个 Blob 与工作树之间 diff 的路径时,即视为完成。
由索引模型根据 Issue 内容生成。
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