mirror of
git://git.yoctoproject.org/layerindex-web.git
synced 2025-07-19 03:49:10 +02:00
3ae517091b
* Problems
The update.py couldn't handle new (not only new branch, in fact, but also
existing branches, see below for more info) branch well, for example, there are
3 layers: layer_A, layer_B and layer_C, and create new branch "branch_1" for
them, and they have depends:
layer_A -> layer_B -> layer_C
The "->" means depends on.
Then run "update.py -b branch_1", there would be errors like:
ERROR: Dependency layer_B of layer_A does not have branch record for branch branch_1
Though update.py runs "update_layer.py" twice, but it didn't help since
layerbranch was None when it was failed to create in the first run.
The reason is if update.py updates layer_A firstly, it would fail since it
can't find layer_B:branch_1 in database (not added to database yet), similarly,
if add layer_B before layer_C, it would also fail. Only layer_C can be added
(assume it has no dependencies). So we have to re-run update.py again and again
to make it work, here we may have to run update.py 3 times, and more runs are
needed if the dependency chain is longer.
* Solutions:
Make update.py pass layers orderly to update_layer.py according to dependencies
can fix the problem, we can get intial dependencies from tinfoil, add an option
"-i, --initial" to update_layer.py to get them.
Not only new branch, but also existing branches may have the problem, because
collections and dependencies maybe changed in the coming update, so we can't
trust database when the layer is going to be updated, for example, if there are
10 layers in database, and 3 of them will be updated (-l layer1,layer2,layer3),
then we can not use the 3 layers' collections data from database, we need get
them from tinfoil.
* Performance improvement:
It should be the same as before in theory, I have tested it with 97 layers:
- Before: 11m6.472s, but only 75 layers were added, 22 ones were failed, I
have to re-run update.py again and again (maybe 4 times to make all of
them added). So:
(11 * 60 + 6)/75*97/60 = 14m35s
- Now 12m10.350s, all the layers are added in the first run.
So about 2 minutes are saved.
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
415 lines
17 KiB
Python
Executable File
415 lines
17 KiB
Python
Executable File
#!/usr/bin/env python3
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# Fetch layer repositories and update layer index database
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#
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# Copyright (C) 2013-2016 Intel Corporation
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# Author: Paul Eggleton <paul.eggleton@linux.intel.com>
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#
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# Licensed under the MIT license, see COPYING.MIT for details
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import sys
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import os
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import optparse
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import codecs
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import logging
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import subprocess
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import signal
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from datetime import datetime, timedelta
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from distutils.version import LooseVersion
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import utils
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import operator
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import re
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import warnings
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warnings.filterwarnings("ignore", category=DeprecationWarning)
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logger = utils.logger_create('LayerIndexUpdate')
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# Ensure PythonGit is installed (buildhistory_analysis needs it)
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try:
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import git
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except ImportError:
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logger.error("Please install PythonGit 0.3.1 or later in order to use this script")
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sys.exit(1)
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def reenable_sigint():
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signal.signal(signal.SIGINT, signal.SIG_DFL)
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def run_command_interruptible(cmd):
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"""
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Run a command with output displayed on the console, but ensure any Ctrl+C is
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processed only by the child process.
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"""
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signal.signal(signal.SIGINT, signal.SIG_IGN)
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try:
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process = subprocess.Popen(
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cmd, cwd=os.path.dirname(sys.argv[0]), shell=True, preexec_fn=reenable_sigint, stdout=subprocess.PIPE, stderr=subprocess.STDOUT
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)
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reader = codecs.getreader('utf-8')(process.stdout, errors='surrogateescape')
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buf = ''
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while True:
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out = reader.read(1, 1)
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if out:
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sys.stdout.write(out)
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sys.stdout.flush()
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buf += out
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elif out == '' and process.poll() != None:
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break
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finally:
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signal.signal(signal.SIGINT, signal.SIG_DFL)
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return process.returncode, buf
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def prepare_update_layer_command(options, branch, layer, initial=False):
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"""Prepare the update_layer.py command line"""
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if branch.update_environment:
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cmdprefix = branch.update_environment.get_command()
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else:
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cmdprefix = 'python3'
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cmd = '%s update_layer.py -l %s -b %s' % (cmdprefix, layer.name, branch.name)
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if options.reload:
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cmd += ' --reload'
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if options.fullreload:
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cmd += ' --fullreload'
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if options.nocheckout:
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cmd += ' --nocheckout'
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if options.dryrun:
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cmd += ' -n'
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if initial:
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cmd += ' -i'
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if options.loglevel == logging.DEBUG:
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cmd += ' -d'
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elif options.loglevel == logging.ERROR:
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cmd += ' -q'
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return cmd
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def update_actual_branch(layerquery, fetchdir, branch, options, update_bitbake, bitbakepath):
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"""Update actual branch for layers and bitbake in database"""
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to_save = set()
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actual_branch = options.actual_branch
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if update_bitbake:
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branchobj = utils.get_branch(branch)
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if actual_branch != branchobj.bitbake_branch:
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if utils.is_branch_valid(bitbakepath, actual_branch):
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logger.info("bitbake: %s.bitbake_branch: %s -> %s" % (branch, branchobj.bitbake_branch, actual_branch))
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branchobj.bitbake_branch = actual_branch
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to_save.add(branchobj)
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else:
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logger.info("Skipping update bitbake_branch for bitbake - branch %s doesn't exist" % actual_branch)
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else:
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logger.info("bitbake: %s.bitbake_branch is already %s, so no change" % (branch, actual_branch))
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for layer in layerquery:
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urldir = layer.get_fetch_dir()
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repodir = os.path.join(fetchdir, urldir)
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if not utils.is_branch_valid(repodir, actual_branch):
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logger.info("Skipping update actual_branch for %s - branch %s doesn't exist" % (layer.name, actual_branch))
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continue
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layerbranch = layer.get_layerbranch(branch)
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if not layerbranch:
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logger.info("Skipping update actual_branch for %s - layerbranch %s doesn't exist" % (layer.name, branch))
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continue
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if actual_branch != layerbranch.actual_branch:
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logger.info("%s: %s.actual_branch: %s -> %s" % (layer.name, branch, layerbranch.actual_branch, actual_branch))
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layerbranch.actual_branch = actual_branch
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to_save.add(layerbranch)
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else:
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logger.info("%s: %s.actual_branch is already %s, so no change" % (layer.name, branch, actual_branch))
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# At last, do the save
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if not options.dryrun:
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for s in to_save:
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s.save()
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def main():
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if LooseVersion(git.__version__) < '0.3.1':
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logger.error("Version of GitPython is too old, please install GitPython (python-git) 0.3.1 or later in order to use this script")
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sys.exit(1)
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parser = optparse.OptionParser(
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usage = """
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%prog [options]""")
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parser.add_option("-b", "--branch",
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help = "Specify branch(es) to update (use commas to separate multiple). Default is all enabled branches.",
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action="store", dest="branch", default='')
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parser.add_option("-l", "--layer",
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help = "Specify layers to update (use commas to separate multiple). Default is all published layers.",
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action="store", dest="layers")
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parser.add_option("-r", "--reload",
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help = "Reload recipe data instead of updating since last update",
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action="store_true", dest="reload")
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parser.add_option("", "--fullreload",
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help = "Discard existing recipe data and fetch it from scratch",
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action="store_true", dest="fullreload")
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parser.add_option("-n", "--dry-run",
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help = "Don't write any data back to the database",
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action="store_true", dest="dryrun")
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parser.add_option("-x", "--nofetch",
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help = "Don't fetch repositories",
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action="store_true", dest="nofetch")
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parser.add_option("", "--nocheckout",
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help = "Don't check out branches",
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action="store_true", dest="nocheckout")
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parser.add_option("-a", "--actual-branch",
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help = "Update actual branch for layer and bitbake",
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action="store", dest="actual_branch", default='')
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parser.add_option("-d", "--debug",
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help = "Enable debug output",
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action="store_const", const=logging.DEBUG, dest="loglevel", default=logging.INFO)
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parser.add_option("-q", "--quiet",
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help = "Hide all output except error messages",
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action="store_const", const=logging.ERROR, dest="loglevel")
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options, args = parser.parse_args(sys.argv)
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if len(args) > 1:
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logger.error('unexpected argument "%s"' % args[1])
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parser.print_help()
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sys.exit(1)
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utils.setup_django()
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import settings
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from layerindex.models import Branch, LayerItem, Update, LayerUpdate
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logger.setLevel(options.loglevel)
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if options.branch:
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branches = options.branch.split(',')
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for branch in branches:
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if not utils.get_branch(branch):
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logger.error("Specified branch %s is not valid" % branch)
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sys.exit(1)
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else:
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branchquery = Branch.objects.filter(updates_enabled=True)
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branches = [branch.name for branch in branchquery]
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fetchdir = settings.LAYER_FETCH_DIR
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if not fetchdir:
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logger.error("Please set LAYER_FETCH_DIR in settings.py")
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sys.exit(1)
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# We deliberately exclude status == 'X' ("no update") here
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layerquery_all = LayerItem.objects.filter(classic=False).filter(status='P')
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if layerquery_all.count() == 0:
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logger.info("No published layers to update")
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sys.exit(1)
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# For -a option to update bitbake branch
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update_bitbake = False
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if options.layers:
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layers = options.layers.split(',')
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if 'bitbake' in layers:
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update_bitbake = True
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layers.remove('bitbake')
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for layer in layers:
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layerquery = LayerItem.objects.filter(classic=False).filter(name=layer)
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if layerquery.count() == 0:
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logger.error('No layers matching specified query "%s"' % layer)
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sys.exit(1)
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layerquery = LayerItem.objects.filter(classic=False).filter(name__in=layers)
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else:
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layerquery = layerquery_all
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update_bitbake = True
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if options.actual_branch:
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if not options.branch:
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logger.error("-a option requires -b")
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sys.exit(1)
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elif len(branches) != 1:
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logger.error("Only one branch should be used with -a")
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sys.exit(1)
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if not os.path.exists(fetchdir):
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os.makedirs(fetchdir)
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fetchedrepos = []
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failedrepos = {}
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listhandler = utils.ListHandler()
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listhandler.setFormatter(logging.Formatter("%(levelname)s: %(message)s"))
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logger.addHandler(listhandler)
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update = Update()
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update.started = datetime.now()
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if options.fullreload or options.reload:
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update.reload = True
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else:
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update.reload = False
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if not options.dryrun:
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update.save()
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try:
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lockfn = os.path.join(fetchdir, "layerindex.lock")
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lockfile = utils.lock_file(lockfn)
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if not lockfile:
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logger.error("Layer index lock timeout expired")
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sys.exit(1)
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try:
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bitbakepath = os.path.join(fetchdir, 'bitbake')
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if not options.nofetch:
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# Fetch latest metadata from repositories
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for layer in layerquery:
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# Handle multiple layers in a single repo
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urldir = layer.get_fetch_dir()
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repodir = os.path.join(fetchdir, urldir)
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if not (layer.vcs_url in fetchedrepos or layer.vcs_url in failedrepos):
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logger.info("Fetching remote repository %s" % layer.vcs_url)
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out = None
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try:
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if not os.path.exists(repodir):
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out = utils.runcmd("git clone %s %s" % (layer.vcs_url, urldir), fetchdir, logger=logger, printerr=False)
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else:
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out = utils.runcmd("git fetch", repodir, logger=logger, printerr=False)
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except subprocess.CalledProcessError as e:
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logger.error("Fetch of layer %s failed: %s" % (layer.name, e.output))
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failedrepos[layer.vcs_url] = e.output
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continue
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fetchedrepos.append(layer.vcs_url)
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if not (fetchedrepos or update_bitbake):
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logger.error("No repositories could be fetched, exiting")
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sys.exit(1)
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logger.info("Fetching bitbake from remote repository %s" % settings.BITBAKE_REPO_URL)
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if not os.path.exists(bitbakepath):
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out = utils.runcmd("git clone %s %s" % (settings.BITBAKE_REPO_URL, 'bitbake'), fetchdir, logger=logger)
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else:
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out = utils.runcmd("git fetch", bitbakepath, logger=logger)
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if options.actual_branch:
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update_actual_branch(layerquery, fetchdir, branches[0], options, update_bitbake, bitbakepath)
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return
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# Process and extract data from each layer
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# We now do this by calling out to a separate script; doing otherwise turned out to be
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# unreliable due to leaking memory (we're using bitbake internals in a manner in which
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# they never get used during normal operation).
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last_rev = {}
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for branch in branches:
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# If layer_A depends(or recommends) on layer_B, add layer_B before layer_A
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deps_dict_all = {}
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layerquery_sorted = []
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collections_done = set()
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branchobj = utils.get_branch(branch)
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for layer in layerquery_all:
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# Get all collections from database, but we can't trust the
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# one which will be updated since its collections maybe
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# changed (different from database).
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if layer in layerquery:
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continue
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layerbranch = layer.get_layerbranch(branch)
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if layerbranch:
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collections_done.add((layerbranch.collection, layerbranch.version))
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for layer in layerquery:
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cmd = prepare_update_layer_command(options, branchobj, layer, initial=True)
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logger.debug('Running layer update command: %s' % cmd)
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ret, output = run_command_interruptible(cmd)
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logger.debug('output: %s' % output)
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if ret != 0:
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continue
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col = re.search("^BBFILE_COLLECTIONS = \"(.*)\"", output, re.M).group(1) or ''
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ver = re.search("^LAYERVERSION = \"(.*)\"", output, re.M).group(1) or ''
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deps = re.search("^LAYERDEPENDS = \"(.*)\"", output, re.M).group(1) or ''
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recs = re.search("^LAYERRECOMMENDS = \"(.*)\"", output, re.M).group(1) or ''
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deps_dict = utils.explode_dep_versions2(bitbakepath, deps + ' ' + recs)
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if len(deps_dict) == 0:
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# No depends, add it firstly
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layerquery_sorted.append(layer)
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collections_done.add((col, ver))
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continue
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deps_dict_all[layer] = {'requires': deps_dict, 'collection': col, 'version': ver}
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# Move deps_dict_all to layerquery_sorted orderly
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logger.info("Sorting layers for branch %s" % branch)
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while True:
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deps_dict_all_copy = deps_dict_all.copy()
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for layer, value in deps_dict_all_copy.items():
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for req_col, req_ver_list in value['requires'].copy().items():
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matched = False
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if req_ver_list:
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req_ver = req_ver_list[0]
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else:
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req_ver = None
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if utils.is_deps_satisfied(req_col, req_ver, collections_done):
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del(value['requires'][req_col])
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if not value['requires']:
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# All the depends are in collections_done:
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del(deps_dict_all[layer])
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layerquery_sorted.append(layer)
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collections_done.add((value['collection'], value['version']))
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if not len(deps_dict_all):
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break
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# Something is wrong if nothing changed after a run
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if operator.eq(deps_dict_all_copy, deps_dict_all):
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logger.error("Cannot find required collections on branch %s:" % branch)
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for layer, value in deps_dict_all.items():
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logger.error('%s: %s' % (layer.name, value['requires']))
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logger.error("Known collections: %s" % collections_done)
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sys.exit(1)
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for layer in layerquery_sorted:
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layerupdate = LayerUpdate()
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layerupdate.update = update
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errmsg = failedrepos.get(layer.vcs_url, '')
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if errmsg:
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logger.info("Skipping update of layer %s as fetch of repository %s failed:\n%s" % (layer.name, layer.vcs_url, errmsg))
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layerbranch = layer.get_layerbranch(branch)
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if layerbranch:
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layerupdate.layerbranch = layerbranch
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layerupdate.started = datetime.now()
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layerupdate.finished = datetime.now()
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layerupdate.log = 'ERROR: fetch failed: %s' % errmsg
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if not options.dryrun:
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layerupdate.save()
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continue
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cmd = prepare_update_layer_command(options, branchobj, layer)
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logger.debug('Running layer update command: %s' % cmd)
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layerupdate.started = datetime.now()
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ret, output = run_command_interruptible(cmd)
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layerupdate.finished = datetime.now()
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# We need to get layerbranch here because it might not have existed until
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# layer_update.py created it, but it still may not create one (e.g. if subdir
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# didn't exist) so we still need to check
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layerbranch = layer.get_layerbranch(branch)
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if layerbranch:
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last_rev[layerbranch] = layerbranch.vcs_last_rev
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layerupdate.layerbranch = layerbranch
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layerupdate.log = output
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if not options.dryrun:
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layerupdate.save()
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if ret == 254:
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# Interrupted by user, break out of loop
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break
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finally:
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utils.unlock_file(lockfile)
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finally:
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update.log = ''.join(listhandler.read())
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update.finished = datetime.now()
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if not options.dryrun:
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update.save()
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if not options.dryrun:
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# Purge old update records
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update_purge_days = getattr(settings, 'UPDATE_PURGE_DAYS', 30)
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Update.objects.filter(started__lte=datetime.now()-timedelta(days=update_purge_days)).delete()
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sys.exit(0)
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if __name__ == "__main__":
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main()
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