feat(wpcarro/emacs): Support marcus.el

Sometimes I need device-specific Elisp. This is similar to what I'm doing in
google-briefcase (my gLinux-specific configuration).

Change-Id: Idc4031e74d31a91fb8d943acfaeb90b8742fbfc4
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5084
Reviewed-by: wpcarro <wpcarro@gmail.com>
Autosubmit: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI

users/wpcarro/emacs/default.nix

@@ -3,12 +3,11 @@
 # TODO(wpcarro): See if it's possible to expose emacsclient on PATH, so that I
 # don't need to depend on wpcarros-emacs and emacs in my NixOS configurations.
 let
-  inherit (builtins) path;
   inherit (depot.third_party.nixpkgs) emacsPackagesGen emacs27;
   inherit (depot.users) wpcarro;
-  inherit (pkgs) runCommand writeShellScriptBin;
   inherit (lib) mapAttrsToList;
   inherit (lib.strings) concatStringsSep makeBinPath;
+  inherit (pkgs) runCommand writeShellScriptBin;
 
   emacsBinPath = makeBinPath (
     wpcarro.common.shell-utils ++
@@ -129,7 +128,7 @@ let
   makeEnvVars = env: concatStringsSep "\n"
     (mapAttrsToList (k: v: "export ${k}=\"${v}\"") env);
 
-  withEmacsPath = { emacsBin, env ? {} }:
+  withEmacsPath = { emacsBin, env ? {}, load ? [] }:
     writeShellScriptBin "wpcarros-emacs" ''
       export XMODIFIERS=emacs
       export PATH="${emacsBinPath}:$PATH"
@@ -141,12 +140,14 @@ let
         --no-site-file \
         --no-site-lisp \
         --load ${./.emacs.d/init.el} \
+        ${concatStringsSep "\n" (map (el: "--load ${el} \\") load)}
         "$@"
     '';
 in {
   inherit withEmacsPath;
 
-  nixos = withEmacsPath {
+  nixos = { load ? [] }: withEmacsPath {
+    inherit load;
     emacsBin = "${wpcarrosEmacs}/bin/emacs";
   };
 
@@ -166,5 +167,5 @@ in {
     touch $out
   '';
 
-  meta.targets = [ "nixos" "check" ];
+  meta.targets = [ "check" ];
 }

users/wpcarro/nixos/marcus/default.nix

@@ -3,7 +3,10 @@
 
 let
   inherit (depot.users) wpcarro;
-  wpcarrosEmacs = wpcarro.emacs.nixos;
+
+  wpcarrosEmacs = wpcarro.emacs.nixos {
+    load = [ ./marcus.el ];
+  };
 
   quasselClient = pkgs.quassel.override {
     client = true;

users/wpcarro/nixos/marcus/marcus.el

@@ -0,0 +1,37 @@
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Dependencies
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(require 'display)
+(require 'window-manager)
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Monitor Configuration
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(display-register laptop
+                  :output "eDP-1"
+                  :primary t
+                  :coords (0 0)
+                  :size (1920 1080)
+                  :rate 30.0
+                  :dpi 96
+                  :rotate normal)
+
+(display-arrangement primary :displays (laptop))
+
+(setq window-manager-named-workspaces
+      (list (make-window-manager-named-workspace
+             :label "Web Browsing"
+             :kbd "c"
+             :display display-laptop)
+            (make-window-manager-named-workspace
+             :label "Coding"
+             :kbd "d"
+             :display display-laptop)
+            (make-window-manager-named-workspace
+             :label "Chatting"
+             :kbd "h"
+             :display display-laptop)))
+
+(window-manager-init :init-hook #'display-arrange-primary)