add octave/matlab to org babel

emacs.nix

@@ -535,6 +535,20 @@ in {
         after = [ "org" ];
       };
 
+      ob-matlab = {
+        enable = true;
+        after = [ "org" ];
+
+        init = ''
+                                        ; -*-emacs-lisp-*-
+
+(setq org-babel-octave-shell-command "${pkgs.octave}/bin/octave -q")
+(setq org-babel-matlab-shell-command "~/Applications/MATLAB_R2022b.app/bin/matlab -nosplash")
+'';
+
+        extraPackages = [ pkgs.octave ];
+      };
+
       ob-python = {
         enable = true;
         extraPackages = [
@@ -567,7 +581,7 @@ in {
 
       meow = {
         enable = true;
-        config = ''
+        init = ''
                                         ; -*-emacs-lisp-*-
 (defun meow-setup ()
   (setq meow-cheatsheet-layout meow-cheatsheet-layout-colemak)
@@ -650,6 +664,8 @@ in {
    '("z" . meow-pop-selection)
    '("'" . repeat)
    '("<escape>" . ignore)))
+
+(meow-setup)
         '';
       };
 
@@ -676,24 +692,6 @@ in {
         extraPackages = [ pkgs.pngpaste ];
       };
 
-      exec-path-from-shell = {
-        enable = false;
-
-        init = ''
-                                        ; -*-emacs-lisp-*-
-          (dolist (var '("LANG" "LC_CTYPE" "LC_MESSAGES" "NIX_SSL_CERT_FILE" "NIX_PROFILES" "JAVA_HOME" "GNUPGHOME"))
-            (add-to-list 'exec-path-from-shell-variables var))
-
-          (when (memq window-system '(mac ns x))
-            (exec-path-from-shell-initialize))
-
-          (when (daemonp)
-            (exec-path-from-shell-initialize))
-
-          (add-to-list 'exec-path "/Users/willem/.nix-profile/bin")
-        '';
-      };
-
       ivy-bibtex = {
         enable = true;
         init = ''