home: zsh: port to programs API

hosts/common/home/zsh/default.nix

@@ -1,7 +1,7 @@
 { config, lib, pkgs, sane-lib, ... }:
 
 let
-  inherit (lib) mkOption types;
+  inherit (lib) mkIf mkMerge mkOption types;
   cfg = config.sane.zsh;
   # powerlevel10k prompt config
   # p10k.zsh is the auto-generated config, and i overwrite those defaults here, below.
@@ -38,8 +38,10 @@ in
     };
   };
 
-  config = {
-    sane.user.persist.plaintext = [
+  config = mkMerge [
+    ({
+      sane.programs.zsh = {
+        persist.plaintext = [
           # we don't need to full zsh dir -- just the history file --
           # but zsh will sometimes backup the history file and we get fewer errors if we do proper mounts instead of symlinks.
           # TODO: should be private?
@@ -49,8 +51,47 @@ in
         ];
 
         # zsh/prezto complains if zshrc doesn't exist; but it does allow an "empty" file.
-    sane.user.fs.".config/zsh/.zshrc" = sane-lib.fs.wantedText "# ";
+        fs.".config/zsh/.zshrc" = sane-lib.fs.wantedText "# ";
 
+        # prezto = oh-my-zsh fork; controls prompt, auto-completion, etc.
+        # see: https://github.com/sorin-ionescu/prezto
+        # i believe this file is auto-sourced by the prezto init.zsh script.
+        fs.".config/zsh/.zpreztorc" = sane-lib.fs.wantedText ''
+          zstyle ':prezto:*:*' color 'yes'
+
+          # modules (they ship with prezto):
+          # ENVIRONMENT: configures jobs to persist after shell exit; other basic niceties
+          # TERMINAL: auto-titles terminal (e.g. based on cwd)
+          # EDITOR: configures shortcuts like Ctrl+U=undo, Ctrl+L=clear
+          # HISTORY: `history-stat` alias, setopts for good history defaults
+          # DIRECTORY: sets AUTO_CD, adds `d` alias to list directory stack, and `1`-`9` to cd that far back the stack
+          # SPECTRUM: helpers for term colors and styling. used by prompts? might be unnecessary
+          # UTILITY: configures aliases like `ll`, `la`, disables globbing for things like rsync
+          #   adds aliases like `get` to fetch a file. also adds `http-serve` alias??
+          # COMPLETION: tab completion. requires `utility` module prior to loading
+          # TODO: enable AUTO_PARAM_SLASH
+          zstyle ':prezto:load' pmodule \
+            'environment' \
+            'terminal' \
+            'editor' \
+            'history' \
+            'directory' \
+            'spectrum' \
+            'utility' \
+            'completion' \
+            'prompt'
+
+          # default keymap. try also `vicmd` (vim normal mode, AKA "cmd mode") or `vi`.
+          zstyle ':prezto:module:editor' key-bindings 'emacs'
+
+          zstyle ':prezto:module:prompt' theme 'powerlevel10k'
+
+          # disable `mv` confirmation (and `rm`, too, unfortunately)
+          zstyle ':prezto:module:utility' safe-ops 'no'
+        '';
+      };
+    })
+    (mkIf config.sane.programs.zsh.enabled {
       # enable zsh completions
       environment.pathsToLink = [ "/share/zsh" ];
 
@@ -120,42 +161,6 @@ in
       # enable a command-not-found hook to show nix packages that might provide the binary typed.
       programs.nix-index.enable = true;
       programs.command-not-found.enable = false;  #< mutually exclusive with nix-index
-
-    # prezto = oh-my-zsh fork; controls prompt, auto-completion, etc.
-    # see: https://github.com/sorin-ionescu/prezto
-    # i believe this file is auto-sourced by the prezto init.zsh script.
-    sane.user.fs.".config/zsh/.zpreztorc" = sane-lib.fs.wantedText ''
-      zstyle ':prezto:*:*' color 'yes'
-
-      # modules (they ship with prezto):
-      # ENVIRONMENT: configures jobs to persist after shell exit; other basic niceties
-      # TERMINAL: auto-titles terminal (e.g. based on cwd)
-      # EDITOR: configures shortcuts like Ctrl+U=undo, Ctrl+L=clear
-      # HISTORY: `history-stat` alias, setopts for good history defaults
-      # DIRECTORY: sets AUTO_CD, adds `d` alias to list directory stack, and `1`-`9` to cd that far back the stack
-      # SPECTRUM: helpers for term colors and styling. used by prompts? might be unnecessary
-      # UTILITY: configures aliases like `ll`, `la`, disables globbing for things like rsync
-      #   adds aliases like `get` to fetch a file. also adds `http-serve` alias??
-      # COMPLETION: tab completion. requires `utility` module prior to loading
-      # TODO: enable AUTO_PARAM_SLASH
-      zstyle ':prezto:load' pmodule \
-        'environment' \
-        'terminal' \
-        'editor' \
-        'history' \
-        'directory' \
-        'spectrum' \
-        'utility' \
-        'completion' \
-        'prompt'
-
-      # default keymap. try also `vicmd` (vim normal mode, AKA "cmd mode") or `vi`.
-      zstyle ':prezto:module:editor' key-bindings 'emacs'
-
-      zstyle ':prezto:module:prompt' theme 'powerlevel10k'
-
-      # disable `mv` confirmation (and `rm`, too, unfortunately)
-      zstyle ':prezto:module:utility' safe-ops 'no'
-    '';
-  };
+    })
+  ];
 }

hosts/common/programs/default.nix

@@ -140,6 +140,7 @@ let
       # yarn
       # youtube-dl
       yt-dlp
+      zsh
     ;
   };