为什么我需要SVN才能使用install_github从github安装rgl？

问题描述

令人惊讶的是，发现 install_github 失败，并显示一条消息您的系统似乎未安装SVN，表明需要SVN。这遵循了著名的 rgl 安装问题

解决方案

编辑：Github镜像再次更新，因此应该可以。如果服务器再次死机，则始终可以使用
install.packages（）或使用SVN。

install_github（）方法应该不再需要安装SVN。

It was surprising to find install_github failing with a message "SVN does not seem to be installed on your system" indicating that SVN was needed. This followed the advice from a well-known rgl installation question How do I install the latest version of rgl. I could install it manually, but I did not understand the message and posted the question in the title.

After some messy investigation we found that it was due to a remote configuration line in the rgl package DESCRIPTION file that was not needed. This answer is in the comments to the answer marked correct.

However we also found that much of the guidance in the original question was out-of-date and it has since been modified.

Screen shot:

解决方案

Edited: the Github mirror is up to date again, so all of the methods listed in How do I install the latest version of rgl? should be fine. If the server dies again, you can always useinstall.packages() or use SVN.

The install_github() method should no longer require an SVN install.

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