linux – 如何提交裸存储库？

我正在为fuse(linux)编写一个git包装器来访问git存储库,比如普通文件和目录.

访问分支,标签和提交的文件夹和文件非常有效,但是当我提交文件时,我会遇到一种奇怪的行为.

我做以下的手风琴：

>从流中创建一个新的Blob(磁盘上的temporaney文件)
>创建一个新的TreeDefinition
>创建一个新树
>在ObjectDatabase中创建一个新提交
> update branch refs to new commit

之后,我更新分支引用,我只查看更新的文件,没有别的！

这里有代码

        String referenceName = null;
        IEnumerable<Commit> parentCommit = null;

        // Riposiziona il puntatore dello stream all'inizio
        openedHandle.Stream.Seek(0, SeekOrigin.Begin);

        // Crea il blob
        Blob blob = this.repository.ObjectDatabase.CreateBlob(openedHandle.Stream);

        // Acquisisce la path rimuovendo le prime due parti della path
        List<string> pathParts = new List<string>(openedHandle.Path.Split('/'));
        pathParts.RemoveRange(0, 3);

        // Inserisce il blob in un tree
        TreeDefinition treeDefinition = new TreeDefinition();
        treeDefinition.Add(String.Join("/", pathParts), blob, Mode.NonExecutableFile);
        Tree tree = this.repository.ObjectDatabase.CreateTree(treeDefinition);

        // Inizializza l'autore ed il commiter
        Signature committer = new Signature("My Name", "abc@def.tld", DateTime.Now);
        Signature author = committer;

        // Acquisisce l'elenco dei commits
        switch (openedHandle.PathType)
        {
            case PathType.Branches:
                Branch branch = this.GetBranchByPath(openedHandle.Path);
                referenceName = branch.CanonicalName;
                parentCommit = branch.Commits;
                break;

            default:
                throw new Exception("Can update only branches");
        }

        // Crea il commit
        Commit commit = this.repository.ObjectDatabase.CreateCommit(
            author,
            committer,
            (openedHandle.New ? String.Format("{0} created", openedHandle.Path) : String.Format("{0} updated", openedHandle.Path)) + "\r\n",
            false,
            tree,
            parentCommit);

        // Aggiorna il riferimento del target
        this.repository.Refs.UpdateTarget(this.repository.Refs[referenceName], commit.Id);

解决方法:

TreeDefinition treeDefinition = new TreeDefinition()将创建一个空的TreeDefinition.因此,当您向其添加Blob时,最终创建的树将只包含一个条目.

TreeDefinition.From()静态帮助器方法可以在这里帮助您.它将允许从现有Commit或Tree的实际内容创建TreeDefinition.

标准流程是从Commit A构建TreeDefinition,更新TreeDefinition(通过添加/删除条目),从中创建一个Tree,最终生成一个新的Commit B,其父级将是Commit A.

你可以看看这个test,它显示了这种确切的用法(注意：测试实际上不会更新HEAD引用,使其指向新创建的提交,但是你的代码已经解决了这个问题).

标签：linux,git,mono,libgit2sharp,libgit2
来源： https://codeday.me/bug/20190831/1772357.html