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genrandconfig: pass outputdir and buildrootdir as arguments

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The --instance argument is just an artifact of genrandconfig's
history as part of autobuild-run. It is much more logical to pass
the output directory and the buildroot directory as arguments, with
sane defaults.

This also allows us to remove the hack of creating a symlink in the
instance directory if it doesn't exist yet.

Note that the default outputdir 'output' doesn't work yet, because in
that case Buildroot will put the config file in the buildroot directory
instead of the output directory. This will be fixed in a follow-up
patch.

After this change, the script should be called from autobuild-run as:

    subprocess.call([os.path.join(srcdir, "utils/genrandconfig"),
                     "-o", outputdir, "-b", srcdir,
                     "--toolchains-url", kwargs['toolchains_url']],
                    stdout=devnull, stderr=log)

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Arnout Vandecappelle 2017-07-21 03:05:16 +02:00 committed by Thomas Petazzoni
parent 9633b6ddd2
commit b8288a5f43
1 changed files with 10 additions and 15 deletions
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25
utils/genrandconfig
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@ -352,6 +352,8 @@ def gen_config(args):
configlines.append("BR2_PACKAGE_PYTHON_PY_ONLY=y\n")
# Write out the configuration file
if not os.path.exists(args.outputdir):
os.makedirs(args.outputdir)
with open(os.path.join(args.outputdir, ".config"), "w+") as configf:
configf.writelines(configlines)
@ -391,29 +393,22 @@ def gen_config(args):
if __name__ == '__main__':
import argparse
parser = argparse.ArgumentParser(description="Generate a random configuration")
parser.add_argument("--instance", "-i",
help="Instance number for creating unique directories",
type=int, default=0)
parser.add_argument("--outputdir", "-o",
help="Output directory (relative to current directory)",
type=str, default='output')
parser.add_argument("--buildrootdir", "-b",
help="Buildroot directory (relative to current directory)",
type=str, default='.')
parser.add_argument("--toolchains-url",
help="URL of toolchain configuration file",
type=str,
default="http://autobuild.buildroot.org/toolchains/configs/toolchain-configs.csv")
args = parser.parse_args()
# Output directory is already created by autobuild-run so emulate it here
idir = "instance-%d" % args.instance
# We need the absolute path to use with O=, because the relative
# path to the output directory here is not relative to the
# Buildroot sources, but to the location of the autobuilder
# script.
args.outputdir = os.path.abspath(os.path.join(idir, "output"))
args.buildrootdir = os.path.join(idir, "buildroot")
if not os.path.exists(idir):
os.mkdir(idir)
os.mkdir(args.outputdir)
# gen_config expects "buildroot" directory under idir
os.symlink("..", args.buildrootdir)
# Buildroot sources, but to the current directory.
args.outputdir = os.path.abspath(args.outputdir)
try:
ret = gen_config(args)