Add tool helper for loading/saving .config files

Removes repeated KCONFIG_CONFIG boilerplate.

Also make allyesconfig use KCONFIG_CONFIG when writing (oversight), and
document the sys.exit() behavior for standard_kconfig().

1 files changed, 2 insertions, 5 deletions

diff --git a/menuconfig.py b/menuconfig.py
index 584bf8e..ff27d17 100755
--- a/menuconfig.py
+++ b/menuconfig.py
@@ -96,7 +96,7 @@ from kconfiglib import Kconfig, \
                        AND, OR, NOT, \
                        expr_value, split_expr, \
                        TRI_TO_STR, TYPE_TO_STR, \
-                       standard_kconfig
+                       standard_kconfig, standard_config_filename
 
 
 #
@@ -299,10 +299,7 @@ def menuconfig(kconf):
     global _conf_changed
 
 
-    _config_filename = os.environ.get("KCONFIG_CONFIG")
-    if _config_filename is None:
-        _config_filename = ".config"
-
+    _config_filename = standard_config_filename()
 
     if os.path.exists(_config_filename):
         _conf_changed = False