Much progress

devenv.nix

@@ -2,24 +2,25 @@
 
 {
   # https://devenv.sh/basics/
-  env.GREET = "devenv";
+  #env.GREET = "devenv";
 
   # https://devenv.sh/packages/
-  packages = [ pkgs.git ];
+  packages = [ pkgs.git pkgs.openssl ];
 
   # https://devenv.sh/scripts/
-  scripts.hello.exec = "echo hello from $GREET";
+  #scripts.hello.exec = "echo hello from $GREET";
 
-  enterShell = ''
-    hello
-    git --version
-  '';
+  #enterShell = ''
+  #  hello
+  #  git --version
+  #'';
 
   # https://devenv.sh/languages/
   # languages.nix.enable = true;
 
   languages.c.enable = true;
   languages.rust.enable = true;
+  languages.rust.channel = "stable";
 
   # https://devenv.sh/pre-commit-hooks/
   # pre-commit.hooks.shellcheck.enable = true;