vterm setup

hosts/dnsc-air/default.nix

@@ -61,6 +61,9 @@
     imagemagick
     restic
     coreutils-prefixed
+    # Packages necessary for vterm
+    cmake
+    libtool
   ];
 
   # Homebrew

modules/fish/default.nix

@@ -77,6 +77,18 @@
       if test -d (brew --prefix)"/share/fish/vendor_completions.d"
           set -p fish_complete_path (brew --prefix)/share/fish/vendor_completions.d
       end
+
+      function vterm_printf;
+          if begin; [  -n "$TMUX" ]  ; and  string match -q -r "screen|tmux" "$TERM"; end
+              # tell tmux to pass the escape sequences through
+              printf "\ePtmux;\e\e]%s\007\e\\" "$argv"
+          else if string match -q -- "screen*" "$TERM"
+              # GNU screen (screen, screen-256color, screen-256color-bce)
+              printf "\eP\e]%s\007\e\\" "$argv"
+          else
+              printf "\e]%s\e\\" "$argv"
+          end
+      end
     '';
 
     shellAbbrs = {