通过自制软件安装特定版本的 R

Question

我已经在 macOS 中从 Home-brew 安装了 R：

brew install R

不过，现在我需要切换版本并安装特定的 R 版本。出于这个原因，我尝试以两种方式安装 R-3.5.2，但没有成功：

brew install R-3.5.2
brew install R@3.5.2

这就是我得到的：

Error: No available formula with the name "r@3.5.2" 
==> Searching for a previously deleted formula (in the last month)...
Warning: homebrew/core is shallow clone. To get complete history run:
  git -C "$(brew --repo homebrew/core)" fetch --unshallow

Error: No previously deleted formula found.
==> Searching for similarly named formulae...
Error: No similarly named formulae found.
==> Searching taps...
==> Searching taps on GitHub...
Error: No formulae found in taps.

你有什么主意吗？谢谢 ： ）

Answer 1

免责声明：我没有可用于测试的 Mac。

在这里您可以找到关于如何通过自制程序安装旧版本的非常有用的教程，这是另一个。

对于 R，这意味着：

git clone https://github.com/Homebrew/homebrew-core.git
cd homebrew-core/
git log master -- Formula/r.rb

这会产生 R 3.5.2 的以下提交：

commit e66b3a288ee5e68c3c04e95705b7311c9f76bdf2
Author: ...
Date:   Sun Jan 13 10:59:16 2019 +0000

    r: update 3.5.2_2 bottle.

commit a2ced14fabb30732b2b6f22919105ac66085e78c
Author: ...
Date:   Tue Jan 8 10:36:41 2019 +0100

    r: revision for readline

commit 61c60b0c4c237a0ada3ab8b83b934566b101ee67
Author: ...
Date:   Sat Jan 5 04:06:37 2019 +0000

    r: update 3.5.2_1 bottle.

commit f9325e5e63ba812d1a2d5fd405811e313f782ff1
Author: ...
Date:   Fri Jan 4 17:36:34 2019 +0100

    r: build with openblas

commit 70aca0ac8f83459ff1ce18c1ea3f462b49434eb2
Author: ...
Date:   Fri Dec 21 06:48:02 2018 +0000

    r: update 3.5.2 bottle.

commit d344d5b57d0c8b0bf0ef6b3052e6bed551b37b47
Author: ...
Date:   Fri Dec 21 14:31:14 2018 +0800

    r 3.5.2

    Closes #35321.

作为替代方案，您可以通过 URL 搜索提交（请参阅此评论）：

https://github.com/Homebrew/homebrew-core/search?q=r%203.5.2&type=commits

因此，您应该能够通过（最新 R 3.5.2 提交）安装 R 3.5.2：

brew install https://raw.githubusercontent.com/Homebrew/homebrew-core/e66b3a288ee5e68c3c04e95705b7311c9f76bdf2/Formula/r.rb

或者：

brew install https://github.com/Homebrew/homebrew-core/raw/e66b3a2/Formula/r.rb

brew switch正如本文brew pin中提到的，您可能也会感兴趣。