nvim: fix cmdline path completions

.config/nvim/lua/blake/lsp.lua

@@ -152,18 +152,6 @@ M.cmp = function()
          { name = 'cmdline' },
          { name = 'emoji' },
       },
-      cmp.setup.cmdline('/', {
-         sources = {
-            { name = 'buffer' }
-         }
-      }),
-      cmp.setup.cmdline(':', {
-         mapping = cmp.mapping.preset.cmdline(),
-         sources = cmp.config.sources({
-            { name = 'path' },
-            { name = 'cmdline' }
-         }),
-      }),
       formatting = {
          format = function(entry, vim_item)
             -- fancy icons and a name of kind
@@ -196,6 +184,28 @@ M.cmp = function()
          ghost_text = true,
       }
    }
+
+   -- Thanks to iwataka on github for this bit
+   local search_config = {
+      mapping = cmp.mapping.preset.cmdline(),
+      sources = {
+         { name = 'buffer' },
+      }
+   }
+
+   -- Use buffer source for `/` and `?` (if you enabled `native_menu`, this won't work anymore).
+   cmp.setup.cmdline('/', search_config)
+   cmp.setup.cmdline('?', search_config)
+
+   -- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
+   cmp.setup.cmdline(':', {
+      mapping = cmp.mapping.preset.cmdline(),
+      sources = cmp.config.sources({
+         { name = 'path' }
+      }, {
+         { name = 'cmdline' }
+      })
+   })
 end -- <<<
 
 -- lspconfig >>>