home/vifm | update editor + add file compare tool

home/common/vifm.nix

@@ -7,12 +7,21 @@
       colorscheme dracula
       set timefmt=%Y-%m-%d\ %H:%M
       set hlsearch
+      set vicmd=nvim
       set statusline="  Hint: %z%= %A %10u:%-7g %15s %20d  "
       " :mark mark /full/directory/path [filename]
       mark b ~/bin/
       mark h ~/
       mark d ~/Downloads
       nnoremap gd  :cd ~/Downloads<cr>
+      command! cmpinternal compare-cmd %a %S
+      command! cmp : if expand('%%c') == expand('%%f')
+                 \ |     echo expand('Comparing %%"c and %%"C:t ...')
+                 \ |     cmpinternal %c %C
+                 \ | else
+                 \ |     echo expand('Comparing files: %%"f ...')
+                 \ |     cmpinternal %f
+                 \ | endif
     '';
   };
   xdg.configFile."vifm/colors/dracula.vifm".text = ''