fix: use XDG_CONFIG_HOME in config page

README.md

@@ -56,7 +56,7 @@ Get the local variables list as tree.
 ![](/images/image5.png)
 
 ## Config
-Config is specified in **setup.cfg** and can be local or global. Local config (current working directory) has precedence over global (default) one. Global config must be located in `$XDG_CONFIG_HOME/pdbr/` directory.
+Config is specified in **setup.cfg** and can be local or global. Local config (current working directory) has precedence over global (default) one. Global config must be located at `$XDG_CONFIG_HOME/pdbr/setup.cfg`.
 
 ### Style
 In order to use Rich's traceback, style, and theme:
@@ -98,6 +98,8 @@ pdbr.set_trace(console=console)
 store_history=.pdbr_history
 ```
 
+By default, history is stored globally in `~/.pdbr_history`.
+
 ## Celery
 In order to use **Celery** remote debugger with pdbr, use ```celery_set_trace``` as below sample. For more information see the [Celery user guide](https://docs.celeryproject.org/en/stable/userguide/debugging.html).
 

pdbr/utils.py

@@ -1,3 +1,4 @@
+import os
 import atexit
 import configparser
 from pathlib import Path
@@ -50,7 +51,8 @@ def read_config():
     config.sections()
 
     setup_filename = "setup.cfg"
-    global_config_path = Path.home() / ".config" / "pdbr" / setup_filename
+    xdg_config_home = Path(os.getenv('XDG_CONFIG_HOME', Path.home() / ".config"))
+    global_config_path = xdg_config_home / "pdbr" / setup_filename
     cwd_config_path = Path.cwd() / setup_filename
     config_path = cwd_config_path.exists() and cwd_config_path or global_config_path