git client的javascript implementation及其在協作平台的潛在應用

目前找到兩個

1. github.js ：它顯然是把在本機上執行的 git client 使用javascript 改寫，並且依賴於 node.js
2. js-git ：它不依賴於本機的檔案系統，因此也就有機會在網頁上單獨執行(git-browser)，不需要依賴 node.js

git 本身其實可以用來當作資料/檔案系統存放的工具， js-git 就是把一個 repo 給 clone 下來，放在記憶體中進行處理，有更動時再 push 回去。以此概念該作者寫了 tedit ，方便在平板上進行文件編輯。

git 本身就是一個多人協作的版本控制系統，反過來說，協作的特性某些程度上需要的就是 git 的功能，如 clone , commit , branching , reconcile , push 等等。

以下摘錄作者的說明：

Feature Goals

I don't intent to make a 100% clone of all the features of the official git program. That would be insane and require a lot more money than I'm asking for. My main goal is to enable the 90% case of interesting stuff:

• Clone remote repositories to local storage over http, git, or ssh.
• Make and commit local changes offline.
• Manage tags and branches offline.
• Push changes back up to remote repositories.
• Serve git repositories over http, git, or ssh.
• Be very modular so bits can be used by any software that needs them.

Potential Products

Some example products that would be enabled by this are:

• ChromeOS IDE for developing on Chromebooks.
• Node.JS blog engine with git as the database.
• Custom Git hosting using custom storage back-ends.
• GIT CLI for restricted environments.
• Standalone GIT GUI desktop app.
• Git based deployment tools.
• JavaScript package management for server and client.
• Whatever else you come up with.