Fix so that oil can change buffers in the oil window, but you cannot change to another buffer inside the oil window.

home/.config/nvim/lua/utils.lua

@@ -8,4 +8,18 @@ function M.add_keymaps(maps)
     end
 end
 
+function M.get_bufnr_for_filetype(filetype)
+    for _, buf in ipairs(vim.api.nvim_list_bufs()) do
+        if vim.bo[buf].filetype == filetype then
+            return buf
+        end
+    end
+
+    return nil
+end
+
+function M.is_buf_filetype(bufnr, filetype)
+    return vim.bo[bufnr].filetype == filetype
+end
+
 return M