feat(emacs): eshell aliases from home.shellAliases

modules/home/users/msyds/emacs.nix

@@ -31,6 +31,17 @@ in {
       treesit.enable = true;
     };
 
+    home.sessionVariables = {
+      ESHELL_ALIASES_FILE = pkgs.writeText "eshell-aliases" ''
+        alias cdp syd-project-cd
+        alias jj jj --no-pager $*
+        ${lib.concatMapAttrsStringSep
+          "\n"
+          (alias: value: "alias ${alias} ${value} $*")
+          config.home.shellAliases}
+      '';
+    };
+
     sydnix.emacs = {
       enable = true;
       defaultEditor = true;

modules/home/users/msyds/emacs/lisp/syd/eshell.el

@@ -150,7 +150,9 @@ if FILE-NAME has no TRAMP prefix."
    (eshell-last-dir-ring-file-name (file-name-concat
 				    syd-eshell-data-dir "lastdir"))
    (eshell-prompt-function #'syd-eshell--prompt-fn)
-   (eshell-prompt-regexp syd-eshell--prompt-regexp))
+   (eshell-prompt-regexp syd-eshell--prompt-regexp)
+   (eshell-aliases-file (or (getenv "ESHELL_ALIASES_FILE")
+                            eshell-aliases-file)))
   :general
   (:keymaps 'syd-leader-open-map
 	    "e" #'syd-toggle-eshell)