Raw.githubusercontent.com 网址代表什么？

我想学习如何使用 Rawgit.com服务从 github.com的其他应用程序。 所以我们有一个通常的方法下载和安装 homebrew在 osx 上。

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

我在 GitHub 上找不到 install文件，它在哪儿？

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最佳答案

The raw.githubusercontent.com domain is used to serve unprocessed versions of files stored in GitHub repositories. If you browse to a file on GitHub and then click the Raw link, that's where you'll go.

The URL in your question references the ABC0 file in the master branch of the Homebrew/install repository. The rest of that command just retrieves the file and runs ruby on its contents.

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There are two ways of looking at github content, the "raw" way and the "Web page" way.

raw.githubusercontent.com returns the raw content of files stored in github, so they can be downloaded simply to your computer. For example, if the page represents a ruby install script, then you will get a ruby install script that your ruby installation will understand.

If you instead download the file using the github.com link, you will actually be downloading a web page with buttons and comments and which displays your wanted script in the middle -- it's what you want to give to your web browser to get a nice page to look at, but for the computer, it is not a script that can be executed or code that can be compiled, but a web page to be displayed. That web page has a button called Raw that sends you to the corresponding content on raw.githubusercontent.com.

To see the content of raw.githubusercontent.com/${user}/${repo}/${branch}/${path} in the usual github interface:

  1. you replace raw.githubusercontent.com with plain github.com
  2. AND you insert "blob" between the repo name and the branch name.

In this case, the user is "Homebrew", the repo is "install", the branch name is "master" (which is a very common branch name). You insert "blob" between "install" and "master", so

https://raw.githubusercontent.com/Homebrew/install/master/install

becomes

https://github.com/Homebrew/install/blob/master/install

This is the reverse of finding a file on Github and clicking the Raw link.

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raw.githubusercontent.com/username/repo-name/branch-name/path

Replace username with the username of the user that created the repo.

Replace repo-name with the name of the repo.

Replace branch-name with the name of the branch.

Replace path with the path to the file.

To reverse to go to GitHub.com:

GitHub.com/username/repo-name/directory-path/blob/branch-name/filename

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