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config injection

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devrandom 2011-05-21 22:23:43 -07:00
parent d1fa0a122f
commit 2928372460
2 changed files with 55 additions and 9 deletions
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1
doc/NOTES
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@ -1,4 +1,3 @@
Downloader
* incremenral update of dest directory
* inject config into customized builder

63
share/gitian-updater
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@ -1,5 +1,21 @@
#!/usr/bin/python
# Gitian Downloader - download/update and verify a gitian distribution package
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import sys, os, subprocess
from os import path
import shutil
@ -11,6 +27,10 @@ import argparse
import yaml
from zipfile import ZipFile
inject_config_string = "INJECT" + "CONFIG"
injected_config = """INJECTCONFIG"""
have_injected_config = injected_config != inject_config_string
quiet = 0
def sanitize_path(dir_name, name, where):
@ -172,23 +192,50 @@ full_prog = sys.argv[0]
prog = os.path.basename(full_prog)
parser = argparse.ArgumentParser(description='Download a verify a gitian package')
parser.add_argument('-u', '--url', metavar='URL', type=str, nargs='+', required=True,
parser.add_argument('-u', '--url', metavar='URL', type=str, nargs='+', required=False,
help='one or more URLs where the package can be found')
parser.add_argument('-c', '--config', metavar='CONF', type=str, required=True,
parser.add_argument('-c', '--config', metavar='CONF', type=str, required=not have_injected_config,
help='a configuration file')
parser.add_argument('-d', '--dest', metavar='DEST', type=str, required=True,
parser.add_argument('-d', '--dest', metavar='DEST', type=str, required=False,
help='the destination directory for unpacking')
parser.add_argument('-q', '--quiet', action='append_const', const=1, default=[], help='be quiet')
parser.add_argument('-m', '--customize', metavar='OUTPUT', type=str, help='generate a customized version of the script with the given config')
args = parser.parse_args()
url = args.url[0]
config_file = args.config
quiet = len(args.quiet)
f = file(config_file, 'r')
config = yaml.safe_load(f)
f.close()
if args.config:
f = file(args.config, 'r')
if args.customize:
s = file(full_prog, 'r')
script = s.read()
s.close()
config = f.read()
script = script.replace(inject_config_string, config)
s = file(args.customize, 'w')
s.write(script)
s.close()
os.chmod(args.customize, 0750)
exit(0)
config = yaml.safe_load(f)
f.close()
else:
config = yaml.safe_load(injected_config)
if not args.dest:
parser.error('argument -d/--dest is required unless -m is specified')
if args.url:
urls = args.url
else:
urls = config['urls']
if not urls:
parser.error('argument -u/--url is required since config does not specify it')
# TODO: handle multiple urls, rss, atom, etc.
url = urls[0]
if path.exists(args.dest):
print>>sys.stderr, "destination already exists, please remove it first"