poky/bitbake/bin/bitbake-getvar
Peter Kjellerstedt 3b46d6a41a bitbake: bitbake-getvar: Treat undefined variables as empty with --value
Rather than outputting the string "None" for undefined variables, output
only a linefeed (the same as for variables that are defined to the empty
string).

(Bitbake rev: f3ba9c3726ec7b38b557100d8a2d4b6a1446a968)

Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2023-09-28 12:38:26 +01:00

2.4 KiB
Executable File

#! /usr/bin/env python3

Copyright (C) 2021 Richard Purdie

SPDX-License-Identifier: GPL-2.0-only

import argparse import io import os import sys import warnings warnings.simplefilter("default")

bindir = os.path.dirname(file) topdir = os.path.dirname(bindir) sys.path[0:0] = [os.path.join(topdir, 'lib')]

import bb.tinfoil

if name == "main": parser = argparse.ArgumentParser(description="Bitbake Query Variable") parser.add_argument("variable", help="variable name to query") parser.add_argument("-r", "--recipe", help="Recipe name to query", default=None, required=False) parser.add_argument('-u', '--unexpand', help='Do not expand the value (with --value)', action="store_true") parser.add_argument('-f', '--flag', help='Specify a variable flag to query (with --value)', default=None) parser.add_argument('--value', help='Only report the value, no history and no variable name', action="store_true") parser.add_argument('-q', '--quiet', help='Silence bitbake server logging', action="store_true") parser.add_argument('--ignore-undefined', help='Suppress any errors related to undefined variables', action="store_true") args = parser.parse_args()

if not args.value:
    if args.unexpand:
        sys.exit("--unexpand only makes sense with --value")

    if args.flag:
        sys.exit("--flag only makes sense with --value")

quiet = args.quiet or args.value
with bb.tinfoil.Tinfoil(tracking=True, setup_logging=not quiet) as tinfoil:
    if args.recipe:
        tinfoil.prepare(quiet=3 if quiet else 2)
        d = tinfoil.parse_recipe(args.recipe)
    else:
        tinfoil.prepare(quiet=2, config_only=True)
        d = tinfoil.config_data

    value = None
    if args.flag:
        value = d.getVarFlag(args.variable, args.flag, expand=not args.unexpand)
        if value is None and not args.ignore_undefined:
            sys.exit(f"The flag '{args.flag}' is not defined for variable '{args.variable}'")
    else:
        value = d.getVar(args.variable, expand=not args.unexpand)
        if value is None and not args.ignore_undefined:
            sys.exit(f"The variable '{args.variable}' is not defined")
    if args.value:
        print(str(value if value is not None else ""))
    else:
        bb.data.emit_var(args.variable, d=d, all=True)