file based filter

refresh.template.py

@@ -834,7 +834,9 @@ def _get_commands(target: str, flags: str):
  # Log clear completion messages
  log_info(f">>> Analyzing commands used in {target}")
 
- additional_flags = shlex.split(flags) + sys.argv[1:]
+ additional_flags = shlex.split(flags) + [arg for arg in sys.argv[1:] if not arg.startswith('--file=')]
+ file_flags = [arg for arg in sys.argv[1:] if arg.startswith('--file=')]
+ assert len(file_flags) < 2, f"Only one or zero --file is supported current args = {sys.argv[1:]}"
 
  # Detect anything that looks like a build target in the flags, and issue a warning.
  # Note that positional arguments after -- are all interpreted as target patterns. (If it's at the end, then no worries.)
@@ -857,6 +859,16 @@ def _get_commands(target: str, flags: str):
  if {exclude_external_sources}:
  # For efficiency, have bazel filter out external targets (and therefore actions) before they even get turned into actions or serialized and sent to us. Note: this is a different mechanism than is used for excluding just external headers.
  target_statment = f"filter('^//',{target_statment})"
+ if (len(file_flags) == 1):
+ # Strip --file=
+ file_path = file_flags[0][7:]
+ # For header file we try to find from hdrs and srcs to get the targets
+ if file_path.endswith('.h'):
+ # Since attr function can't query with full path, get the file name to query
+ head, tail = os.path.split(file_path)
+ target_statment = f"attr(hdrs, '{tail}', {target_statment}) + attr(srcs, '{tail}', {target_statment})"
+ else:
+ target_statment = f"inputs('{file_path}', {target_statment})"
  aquery_args = [
  'bazel',
  'aquery',