install_github是否递归安装依赖项？ [英] Does install_github recursively install dependencies?

问题描述

R包 devtools 似乎是使用 install_github（）函数。

The R package devtools seems the method of choice for installing R packages directly from their github repository, using the install_github() function.

这样做，不仅安装了寻址的github-package，而且还安装了其直接的CRAN依赖关系，即Description / Namespace中定义的Depends和Imports软件包的文件。

While doing so, not only the addressed github-package is installed, but also its direct CRAN-dependencies, i.e., the Depends and Imports as defined in the Description/Namespace files of the package.

但是，我想知道间接需要的软件包（例如Depends和Imports软件包所需的软件包）是否也会自动安装。

However, I am wondering if indirectly required packages such as those in turn required by the Depends and Imports packages become automatically installed along, too.

例如，通过 install_github（ rstudio / DT安装 DT 软件包时），还安装了导入包 htmltools （设置 dependencies = TRUE ），但是而不是前者所依赖的 Rcpp 软件包（R 3.3.1，Rtools34，Win10，x64）。此类软件包是否需要以其他方式安装？

For example, when installing the DT package via install_github("rstudio/DT"), the Imports package htmltools is also installed (set dependencies=TRUE), but not the Rcpp package, on which the former depends (R 3.3.1, Rtools34, Win10, x64). Do such packages need to be installed in another way?

推荐答案

对于 devtools> 1.12.0 的问题已解决在github上可用。很好，可以使用 devtools 通过 install_github（ hadley / devtools）安装这样的版本。对于Windows，问题似乎仅限于 R> = 3.3.0 。

Bug problem solved for devtools >1.12.0, as available on github. Nicely, one can install such a version via install_github("hadley/devtools"), using devtools. Problem seems restricted to R>=3.3.0 for Windows.

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