安装-c conda -伪造r-**安装不相关的软件包

Question

在激活虚拟env之后，我将通过命令miniconda3通过命令conda install -c conda-forge r-patchwork在自创建的R虚拟环境中安装R包补丁。在要安装的R软件包列表中，我发现许多软件包与拼贴无关。我想问，为什么会安装这么多不相关的软件包，以及是否可以只安装修补程序及其依赖项？

下面是一个屏幕截图，显示了许多与拼贴无关的包是使用上面的代码安装的：

​

Answer 1

所有的包都是相关的。虽然r-patchwork的直接依赖只有r-base、r-ggplot和r-gtable，但它们都有自己的依赖关系。可以使用Mamba的repoquery功能生成完整的依赖关系图。

## using Mambaforge container
$ docker run --rm -it condaforge/mambaforge:latest

## create environment with r-patchwork as only spec
(base) $ mamba create -qyn foo r-patchwork
# this installs 139 packages...

## activate environment
(base) $ conda activate foo

## show the dependency graph for r-patchwork
(foo) $ mamba repoquery depends --tree r-patchwork

r-patchwork[1.1.2]
  ├─ r-base[4.2.2]
  │  ├─ _r-mutex[1.0.1]
  │  ├─ bwidget[1.9.14]
  │  │  └─ tk[8.6.12]
  │  │     ├─ libgcc-ng[12.2.0]
  │  │     │  ├─ _libgcc_mutex[0.1]
  │  │     │  └─ _openmp_mutex[4.5]
  │  │     │     ├─ _libgcc_mutex already visited
  │  │     │     └─ libgomp[12.2.0]
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  │  │        │     │  │  ├─ r-base already visited
  │  │        │     │  │  └─ libgcc-ng already visited
  │  │        │     │  └─ r-vctrs[0.5.1]
  │  │        │     │     ├─ r-base already visited
  │  │        │     │     ├─ libgcc-ng already visited
  │  │        │     │     ├─ libstdcxx-ng already visited
  │  │        │     │     ├─ r-glue already visited
  │  │        │     │     ├─ r-cli already visited
  │  │        │     │     ├─ r-rlang already visited
  │  │        │     │     └─ r-lifecycle already visited
  │  │        │     ├─ r-vctrs already visited
  │  │        │     └─ r-pkgconfig[2.0.3]
  │  │        │        └─ r-base already visited
  │  │        └─ r-tibble already visited
  │  ├─ r-rlang already visited
  │  ├─ r-withr already visited
  │  ├─ r-tibble already visited
  │  ├─ r-mass[7.3_58.1]
  │  │  ├─ r-base already visited
  │  │  └─ libgcc-ng already visited
  │  ├─ r-mgcv[1.8_41]
  │  │  ├─ r-base already visited
  │  │  ├─ libgcc-ng already visited
  │  │  ├─ libblas already visited
  │  │  ├─ liblapack already visited
  │  │  ├─ r-matrix[1.5_3]
  │  │  │  ├─ r-base already visited
  │  │  │  ├─ libgcc-ng already visited
  │  │  │  ├─ libblas already visited
  │  │  │  ├─ liblapack already visited
  │  │  │  └─ r-lattice[0.20_45]
  │  │  │     ├─ r-base already visited
  │  │  │     └─ libgcc-ng already visited
  │  │  └─ r-nlme[3.1_160]
  │  │     ├─ r-base already visited
  │  │     ├─ libgcc-ng already visited
  │  │     ├─ libgfortran5 already visited
  │  │     ├─ libgfortran-ng already visited
  │  │     └─ r-lattice already visited
  │  └─ r-scales[1.2.1]
  │     ├─ r-base already visited
  │     ├─ r-r6 already visited
  │     ├─ r-lifecycle already visited
  │     ├─ r-farver[2.1.1]
  │     │  ├─ r-base already visited
  │     │  ├─ libgcc-ng already visited
  │     │  └─ libstdcxx-ng already visited
  │     ├─ r-labeling[0.4.2]
  │     │  └─ r-base already visited
  │     ├─ r-munsell[0.5.0]
  │     │  ├─ r-base already visited
  │     │  └─ r-colorspace[2.0_3]
  │     │     ├─ r-base already visited
  │     │     └─ libgcc-ng already visited
  │     ├─ r-rcolorbrewer[1.1_3]
  │     │  └─ r-base already visited
  │     └─ r-viridislite[0.4.1]
  │        └─ r-base already visited
  └─ r-gtable already visited

检查后，可以得出结论，附加的R包是r-ggplot依赖项。OP看到了预期的行为。