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#!/usr/bin/python

# Copyright (C) 2012 Linaro
#
# Author: Andy Doan <andy.doan@linaro.org>
#
# This file is part of Linaro Daily Prebuilt Images.
#
# Linaro Daily Prebuilt Images is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# Linaro Daily Prebuilt Images is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Linaro Image Tools; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
# USA.

from linaro_fetch_image import fetch_image

from build_images import build_image, compress_image

import argparse
import os
import re

def get_image_name(odir, hwpack_url, binary):
    path = '%s/%s' % (odir, binary)
    if not os.path.exists(path):
        os.makedirs(path)
    hwpack = re.search(r'hwpack_linaro-(.*)_armhf', hwpack_url).group(1)
    return "%s/%s-%s.img" %(path,hwpack,binary)

def url_to_hwpack(url):
    ''' convert a URL like:
    http://snapshots.linaro.org/SERIE/hwpacks/HWPACK_NAME/HWPACK_BUILD_NUMBER/HWPACK_FILE_NAME
    into lt-panda
    '''
    return re.search(r'hwpack_linaro-(.*)_\d+', url).group(1)

def main():
    p = argparse.ArgumentParser(description=
        'Builds a matrix of builds from the latest build on '
        'snapshots.linaro.org or release images on releases.linaro.org')

    p.add_argument('-o', dest='out_dir', default='./out',
                   help='The out directory for downloaded and built files, default=./')
    p.add_argument('-w', dest='hwpacks', action='append', required=True,
                   help='The hwpacks urls generate images for.')
    p.add_argument('-b', dest='binary', required=True,
                   help='The URL of the RFS')
    p.add_argument('-t', dest='binary_type', required=True,
                   help='The binary type, eg nano,ubuntu-desktop')

    args = p.parse_args()

    dm = fetch_image.DownloadManager(args.out_dir)

    rfsf = dm.download(args.binary, None)

    lmc = '%s/linaro-image-tools/linaro-media-create' % args.out_dir
    odir = '%s/pre-built' % args.out_dir

    for url in args.hwpacks:
        hwpack = url_to_hwpack(url)
        hwpf = dm.download(url, None)
        imgfile = get_image_name(odir,url,args.binary_type)
        build_image(lmc, imgfile, hwpack, hwpf, args.binary_type, rfsf)
        compress_image(imgfile)

if __name__ == '__main__':
    main()