Git 开发包，libgit2 v0.22.3 发布

libgit2 是一个可移植、纯C语言实现的 Git 核心开发包，你可以使用它来编写自定义的 Git 应用。

libgit2已被广泛应用在许多应用程序上，包括GitHub网站，还被应用在Plastic SCM和强大的微软Visual Studio工具箱。

主要功能：

• SHA转换、格式化和缩略词

• 抽象的ODB后端系统

• 提交、标签、树和BLOB解析、编辑、blob解析和回写

• 树遍历

• revision walking

• 索引文件（临时区域）操作

• 引用管理（包括包引用）

• 配置文件管理

• 高级仓库管理

• 线程安全和可重入

• 错误信息描述非常详细

• 更多（超过175个不同的API调用）

目前，可以绑定到libgit2的语言有，并附上各个语言的绑定方法：

• C++：https://projects.kde.org/projects/playground/libs/libqgit2/

• Chicken Scheme：https://wiki.call-cc.org/egg/git

• D：https://github.com/AndrejMitrovic/dlibgit

• Delphi：https://github.com/libgit2/GitForDelphi

• Erlang：https://github.com/carlosmn/geef

• Go：https://github.com/libgit2/git2go

• GObject：https://live.gnome.org/Libgit2-glib

• Haskell：https://github.com/fpco/gitlib

• Lua：https://github.com/libgit2/luagit2

• .NET：https://github.com/libgit2/libgit2sharp、https://github.com/txdv/libgit2net

• Node.js：https://github.com/libgit2/node-gitteh

• nodegit：https://github.com/tbranyen/nodegit

• Objective-C：https://github.com/libgit2/objective-git

• OCaml：https://github.com/burdges/libgit2-ocaml

• Parrot Virtual Machine：https://github.com/letolabs/parrot-libgit2

• Perl：https://github.com/ghedo/p5-Git-Raw

• PHP：https://github.com/libgit2/php-git

• Python：https://github.com/libgit2/pygit2

• Ruby：https://github.com/libgit2/rugged

• Vala：https://github.com/apmasell/vapis/blob/master/libgit2.vapi

• b832377 blob: don't recomment using git_buf_grow

• 9ac8fb4 path: error out if the callback returns an error

• 0b4e8ab indexer: use lseek to extend the packfile

• b494e76 clone: fall back to copying when linking does not work

• fd8b7cf Fix ident replacement to match Git behavior

• c066d72 indexer: avoid loading already existent bases

• 76af4ff indexer: don't look for the index we're creating

• 6ba8a33 refspec: make sure matching refspecs have src, dst and input strings

• c62ab5f Call the openssl API to be able to work with SNI servers.

• 1fcdcb4 ssh: read from stderr if stdout is empty

• c760654 fileops: set an error on write error for file copy

• 9e74954 fileops: set an error message if we fail to link a file

• 899716b path: don't let direach overwrite the callback's error message

• ff19d60 Include git2/transaction.h

• 9108d13 Don't include headers on windows that aren't available

• 98f1b3c Attributes: don't match files for folders

• 822af03 Do not call regfree() on an empty regex that is not successfully created by regcomp

• 1c01006 Fix wrong format string in git_reflog_drop() error message

• b67bc36 attr_file: fix subdirectory attr case.

• 657ddf9 ignore: fix negative ignores without wildcards.

• 7661fa1 Fix checking of return value for regcomp.

• 702ac40 revwalk: don't insert uninteresting commits into the queue

• 98e484b revwalk: detect when we're out of interesting commits

• 04162eb Fix git_checkout_tree() to do index filemodes correctly on Windows.

• 7dc1b1c Make sure to also update delta->nfiles when merging diffs

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