vim: more robust setting of colorscheme

config/nvim/lua/fschauen/init.lua

@@ -10,5 +10,5 @@ require 'fschauen.filetypes'
 require 'fschauen.diagnostics'
 require 'fschauen.lazy'
 
-vim.cmd [[colorscheme gruvbox]]
+require('fschauen.util').set_colorscheme('gruvbox')
 

config/nvim/lua/fschauen/util.lua

@@ -185,5 +185,13 @@ M.toggle_quickfix = function() toggle_qf_list('c') end
 --- Toggle location list.
 M.toggle_loclist = function() toggle_qf_list('l') end
 
+
+M.set_colorscheme = function(name)
+  vim.cmd('silent! colorscheme ' .. name)
+  if vim.v.errmsg ~= '' then
+    vim.notify(string.format('Colorscheme %s not found!', name), vim.log.levels.WARN)
+  end
+end
+
 return M