+ patterns, options)
+
+def cleanup_one_extra_option(defconfig_path, configs, options):
+ """Delete config defines in CONFIG_SYS_EXTRA_OPTIONS in one defconfig file.
+
+ Arguments:
+ defconfig_path: path to the cleaned defconfig file.
+ configs: A list of CONFIGs to remove.
+ options: option flags.
+ """
+
+ start = 'CONFIG_SYS_EXTRA_OPTIONS="'
+ end = '"\n'
+
+ with open(defconfig_path) as f:
+ lines = f.readlines()
+
+ for i, line in enumerate(lines):
+ if line.startswith(start) and line.endswith(end):
+ break
+ else:
+ # CONFIG_SYS_EXTRA_OPTIONS was not found in this defconfig
+ return
+
+ old_tokens = line[len(start):-len(end)].split(',')
+ new_tokens = []
+
+ for token in old_tokens:
+ pos = token.find('=')
+ if not (token[:pos] if pos >= 0 else token) in configs:
+ new_tokens.append(token)
+
+ if new_tokens == old_tokens:
+ return
+
+ tolines = copy.copy(lines)
+
+ if new_tokens:
+ tolines[i] = start + ','.join(new_tokens) + end
+ else:
+ tolines.pop(i)
+
+ show_diff(lines, tolines, defconfig_path, options.color)
+
+ if options.dry_run:
+ return
+
+ with open(defconfig_path, 'w') as f:
+ for line in tolines:
+ f.write(line)
+
+def cleanup_extra_options(configs, options):
+ """Delete config defines in CONFIG_SYS_EXTRA_OPTIONS in defconfig files.
+
+ Arguments:
+ configs: A list of CONFIGs to remove.
+ options: option flags.
+ """
+ if not confirm(options, 'Clean up CONFIG_SYS_EXTRA_OPTIONS?'):
+ return
+
+ configs = [ config[len('CONFIG_'):] for config in configs ]
+
+ defconfigs = get_all_defconfigs()
+
+ for defconfig in defconfigs:
+ cleanup_one_extra_option(os.path.join('configs', defconfig), configs,
+ options)
+
+def cleanup_whitelist(configs, options):
+ """Delete config whitelist entries
+
+ Arguments:
+ configs: A list of CONFIGs to remove.
+ options: option flags.
+ """
+ if not confirm(options, 'Clean up whitelist entries?'):
+ return
+
+ with open(os.path.join('scripts', 'config_whitelist.txt')) as f:
+ lines = f.readlines()
+
+ lines = [x for x in lines if x.strip() not in configs]
+
+ with open(os.path.join('scripts', 'config_whitelist.txt'), 'w') as f:
+ f.write(''.join(lines))
+
+def find_matching(patterns, line):
+ for pat in patterns:
+ if pat.search(line):
+ return True
+ return False
+
+def cleanup_readme(configs, options):
+ """Delete config description in README
+
+ Arguments:
+ configs: A list of CONFIGs to remove.
+ options: option flags.
+ """
+ if not confirm(options, 'Clean up README?'):
+ return
+
+ patterns = []
+ for config in configs:
+ patterns.append(re.compile(r'^\s+%s' % config))
+
+ with open('README') as f:
+ lines = f.readlines()
+
+ found = False
+ newlines = []
+ for line in lines:
+ if not found:
+ found = find_matching(patterns, line)
+ if found:
+ continue
+
+ if found and re.search(r'^\s+CONFIG', line):
+ found = False
+
+ if not found:
+ newlines.append(line)
+
+ with open('README', 'w') as f:
+ f.write(''.join(newlines))
+