sha256

dev/interactive_use.Rmd

@@ -52,56 +52,22 @@ rstudio
 ```
 
 Name this script something like `kmeans_project`, make it executable (using
-`chmod +x kmeans_project`) and now you can run RStudio within this environment
+`chmod +x kmeans_project`), and now you can run RStudio within this environment
 from anywhere.
 
 ## Scenario 2: you install R and RStudio using Nix
 
-In case you don't have R installed, you cannot use the `{rix}` package to
-generate new expressions. In this case you might consider installing Nix first,
-and then running this inside your terminal to get dropped into a temporary
-Nix shell, which you can then use to generate new `default.nix` files:
+If you don't have R installed you cannot use the `{rix}` package to generate new
+expressions. In this case you might consider installing Nix first, and then
+running the following command inside your terminal to get dropped into a
+temporary Nix shell, which you can then use to generate new `default.nix` files:
 
 ```
 nix-shell --expr "$(curl -sl https://raw.githubusercontent.com/b-rodrigues/rix/master/inst/extdata/default.nix)"
 ```
 
-This expression that gets built is this one:
-
-```
-{ pkgs ? import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/8ad5e8132c5dcf977e308e7bf5517cc6cc0bf7d8.tar.gz") {} }:
-
-with pkgs;
-
-let
-  bootstrap_env = rWrapper.override {
-    packages = with rPackages; [
-
-    (buildRPackage {
-      name = "rix";
-      src = fetchgit {
-      url = "https://github.com/b-rodrigues/rix/";
-      branchName = "master";
-      rev = "935fb194b38adfb085a5bda9ebe5dc5bb504f2cb";
-      sha256 = "sha256-qMKcBcoemx3CcayA0Vt3LcDCAskhWyWXJBJVN8BaIOw=";
-      };
-    propagatedBuildInputs = [
-      httr
-      jsonlite
-    ];
-      })
-    ];
-  };
-in
-mkShell {
-  buildInputs = [bootstrap_env];
-  shellHook = "R";
-}
-
-```
-
-Running the command above will immediately start an R session inside your
-terminal. You can now run something like this:
+Running the command above will download R and `{rix}` and then start an R
+session inside your terminal. You can now run something like this:
 
 ```
 rix(r_ver = "current",

inst/extdata/default.nix

@@ -12,7 +12,7 @@ let
       url = "https://github.com/b-rodrigues/rix/";
       branchName = "master";
       rev = "d505382ad8ef759a8257227a19043e228a6d70dd";
-      sha256 = "sha256-axmHWXNEL2c00TQGYJEwrgVNkLbbNhrx/LHkzuMa9QM=";
+      sha256 = "sha256-vLb7y/6K3iNy8Hb5XmwksAgq5R6yT14JfbDFVPtt2ZY=";
       };
     propagatedBuildInputs = [
       httr