Use my.init instead of my.setup

system.userActivationScripts is too sensitive to command failures,
blocking the build process.

Also:
- Make rustup init script idempotent.
- Remove doom sync and vim update; I'll do it manually

modules/dev/rust.nix

@@ -24,9 +24,11 @@
     alias.rsp = "rustup";
     alias.ca  = "cargo";
 
-    setup = ''
-      ${pkgs.rustup}/bin/rustup update nightly
-      ${pkgs.rustup}/bin/rustup default nightly
+    init = ''
+      if [ ! -d "$RUSTUP_HOME" ]; then
+        ${pkgs.rustup}/bin/rustup update nightly
+        ${pkgs.rustup}/bin/rustup default nightly
+      fi
     '';
   };
 }

modules/editors/emacs.nix

@@ -26,14 +26,15 @@
 
     env.PATH = [ "$HOME/.emacs.d/bin" ];
     zsh.rc = lib.readFile <my/config/emacs/aliases.zsh>;
-    setup = ''
+
+    # My emacs config is too stateful to manage with nix
+    init = ''
       if [ ! -d "$HOME/.emacs.d" ]; then
         ${pkgs.git}/bin/git clone https://github.com/hlissner/doom-emacs "$HOME/.emacs.d"
       fi
       if [ ! -d "$XDG_CONFIG_HOME/doom" ]; then
         ${pkgs.git}/bin/git clone https://github.com/hlissner/doom-emacs-private "$XDG_CONFIG_HOME/doom"
       fi
-      $HOME/.emacs.d/bin/doom sync
     '';
   };
 

modules/editors/vim.nix

@@ -11,11 +11,12 @@
 
     env.EDITOR = "nvim";
     env.VIMINIT = "let \\$MYVIMRC='\\$XDG_CONFIG_HOME/nvim/init.vim' | source \\$MYVIMRC";
-    setup = ''
+
+    # My vim config is too stateful to manage with nix
+    init = ''
       if [ ! -d "$XDG_CONFIG_HOME/nvim" ]; then
         ${pkgs.git}/bin/git clone https://github.com/hlissner/.vim "$XDG_CONFIG_HOME/nvim"
       fi
-      ${pkgs.gnumake}/bin/make -C "$XDG_CONFIG_HOME/nvim" update
     '';
   };
 }

options/my.nix

@@ -54,12 +54,6 @@ with lib;
       description = "...";
     };
 
-    setup = mkOption {
-      type = types.lines;
-      default = "";
-      description = "...";
-    };
-
     zsh = {
       rc = mkOption {
         type = types.lines;
@@ -95,7 +89,5 @@ with lib;
          ${config.my.zsh.rc}
       '';
     my.home.xdg.configFile."zsh/extra.zshenv".text = config.my.zsh.env;
-
-    system.userActivationScripts.mySetup = config.my.setup;
   };
 }