🔨 Fix config.ini custom items, and 'all' (#24720)

buildroot/share/PlatformIO/scripts/configuration.py

@@ -78,8 +78,8 @@ def apply_opt(name, val, conf=None):
                 elif not isdef:
                     break
                 linenum += 1
-            lines.insert(linenum, f"{prefix}#define {added} // Added by config.ini\n")
-            fullpath.write_text('\n'.join(lines), encoding='utf-8')
+            lines.insert(linenum, f"{prefix}#define {added:30} // Added by config.ini\n")
+            fullpath.write_text(''.join(lines), encoding='utf-8')
 
 # Fetch configuration files from GitHub given the path.
 # Return True if any files were fetched.
@@ -127,7 +127,7 @@ def apply_ini_by_name(cp, sect):
         iniok = False
         items = section_items(cp, 'config:base') + section_items(cp, 'config:root')
     else:
-        items = cp.items(sect)
+        items = section_items(cp, sect)
 
     for item in items:
         if iniok or not item[0].startswith('ini_'):
@@ -195,6 +195,10 @@ def apply_config_ini(cp):
             fetch_example(ckey)
             ckey = 'base'
 
+        elif ckey == 'all':
+            apply_sections(cp)
+
+        else:
             # Apply keyed sections after external files are done
             apply_sections(cp, 'config:' + ckey)