Function adjusted_path

emsdk.py:2697–2733

(tools_to_activate, system=False, user=False)

# Looks at the current PATH and adds and removes entries so that the PATH reflects
# the set of given active tools.
def adjusted_path(tools_to_activate, system=False, user=False):
  # These directories should be added to PATH
  path_add = get_required_path(tools_to_activate)
  # These already exist.
  if WINDOWS and not MSYS:
    existing_path = win_get_environment_variable('PATH', system=system, user=user, fallback=True).split(ENVPATH_SEPARATOR)
  else:
    existing_path = os.environ['PATH'].split(ENVPATH_SEPARATOR)

  existing_emsdk_tools = []
  existing_nonemsdk_path = []
  for entry in existing_path:
    if to_unix_path(entry).startswith(EMSDK_PATH):
      existing_emsdk_tools.append(entry)
    else:
      existing_nonemsdk_path.append(entry)

  new_emsdk_tools = []
  kept_emsdk_tools = []
  for entry in path_add:
    if not normalized_contains(existing_emsdk_tools, entry):
      new_emsdk_tools.append(entry)
    else:
      kept_emsdk_tools.append(entry)

  whole_path = unique_items(new_emsdk_tools + kept_emsdk_tools + existing_nonemsdk_path)

  if MSYS:
    # XXX Hack: If running native Windows Python in MSYS prompt where PATH
    # entries look like "/c/Windows/System32", os.environ['PATH']
    # in Python will transform to show them as "C:\\Windows\\System32", so need
    # to reconvert path delimiter back to forward slashes.
    whole_path = [to_msys_path(p) for p in whole_path]
    new_emsdk_tools = [to_msys_path(p) for p in new_emsdk_tools]

  separator = ':' if MSYS else ENVPATH_SEPARATOR
  return (separator.join(whole_path), new_emsdk_tools)


def get_env_vars_to_add(tools_to_activate, system, user):