mirror of
https://github.com/projectatomic/rpmdistro-gitoverlay.git
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6875f8e269
This way they get retained with the lifecycle of the builds. The --logdir was intended for Jenkins. Closes: #34 Closes: #35 Approved by: p3ck
245 lines
11 KiB
Python
245 lines
11 KiB
Python
# Copyright (C) 2015 Colin Walters <walters@verbum.org>
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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from __future__ import print_function
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import os
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import argparse
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import json
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import subprocess
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import shutil
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import hashlib
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from .swappeddir import SwappedDirectory
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from .utils import log, fatal, rmrf, ensure_clean_dir, run_sync
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from .task import Task
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from .git import GitMirror
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from .mockchain import MockChain, SRPMBuild
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def require_key(conf, key):
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try:
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return conf[key]
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except KeyError:
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fatal("Missing config key {0}".format(key))
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class TaskBuild(Task):
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def _assert_get_one_child(self, path):
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results = os.listdir(path)
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if len(results) == 0:
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fatal("No files found in {0}".format(path))
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if len(results) > 1:
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fatal("Too many files found in {0}: {1}".format(path, results))
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return path + '/' + results[0]
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def _json_hash(self, dictval):
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"""Kind of a hack, but it works."""
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serialized = json.dumps(dictval, sort_keys=True)
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h = hashlib.sha256()
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h.update(serialized)
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return h.hexdigest()
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def _component_name_in_list(self, name, buildlist):
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for (component, build) in buildlist:
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if component['pkgname'] == name:
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return True
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return False
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def _postprocess_results(self, builddir, snapshot=None, needed_builds=None, newcache=None, logdir=None):
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# We always dump the partial build results, so the next build can pick them up
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retained = []
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for component in snapshot['components']:
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distgit_name = component['pkgname']
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if not self._component_name_in_list(distgit_name, needed_builds):
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continue
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cachedstate = newcache[distgit_name]
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cached_dirname = cachedstate['dirname']
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buildpath = builddir + '/' + cached_dirname
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statusjson = buildpath + '/status.json'
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success = False
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if os.path.isfile(statusjson):
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with open(statusjson) as f:
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status = json.load(f)
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success = (status['status'] == 'success')
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if logdir is not None:
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if success:
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sublogdir = logdir + '/success/' + distgit_name
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else:
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sublogdir = logdir + '/failed/' + distgit_name
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ensure_clean_dir(sublogdir)
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for subname in os.listdir(buildpath):
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subpath = buildpath + '/' + subname
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if subname.endswith(('.json', '.log')):
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shutil.copy(subpath, sublogdir + '/' + subname)
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if not success:
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del newcache[distgit_name]
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else:
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retained.append(distgit_name)
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if len(retained) > 0:
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log("Retaining partial sucessful builds: {0}".format(' '.join(retained)))
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def _copy_previous_build(self, cachedstate, fromdir):
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cached_dirname = cachedstate['dirname']
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oldrpmdir = fromdir + '/' + cached_dirname
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newrpmdir = self.newbuilddir + '/' + cached_dirname
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subprocess.check_call(['cp', '-al', oldrpmdir, newrpmdir])
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def run(self, argv):
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parser = argparse.ArgumentParser(description="Build RPMs")
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parser.add_argument('--tempdir', action='store', default=None,
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help='Path to directory for temporary working files')
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parser.add_argument('--arch', action='store', default=os.uname()[4],
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help='Value for $arch variable, substituted in mock root')
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parser.add_argument('--touch-if-changed', action='store', default=None,
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help='Create or update timestamp on target path if a change occurred')
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parser.add_argument('--logdir', action='store', default=None,
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help='Store build logs in this directory')
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opts = parser.parse_args(argv)
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snapshot = self.get_snapshot()
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root = require_key(snapshot, 'root')
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root_mock = require_key(root, 'mock').replace('$arch', opts.arch)
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self.tmpdir = opts.tempdir
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self.mirror = GitMirror(self.workdir + '/src')
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self.snapshotdir = self.workdir + '/snapshot'
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self.builddir = SwappedDirectory(self.workdir + '/build')
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# Contains any artifacts from a previous run that did succeed
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self.partialbuilddir = self.workdir + '/build.partial'
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self.newbuilddir = self.builddir.prepare(save_partial_dir=self.partialbuilddir)
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# Support including mock .cfg files next to overlay.yml
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if root_mock.endswith('.cfg') and not os.path.isabs(root_mock):
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target_root_mock = os.path.join(self.workdir, root_mock)
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if os.path.isfile(target_root_mock):
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root_mock = target_root_mock
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else:
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contextdir = os.path.dirname(os.path.realpath(self.workdir + '/overlay.yml'))
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root_mock = os.path.join(contextdir, root_mock)
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oldcache_path = self.builddir.path + '/buildstate.json'
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oldcache = {}
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if os.path.exists(oldcache_path):
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with open(oldcache_path) as f:
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oldcache = json.load(f)
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partial_path = self.partialbuilddir + '/buildstate.json'
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partial_cache = {}
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if os.path.exists(partial_path):
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with open(partial_path) as f:
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partial_cache = json.load(f)
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newcache = {}
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newcache_path = self.newbuilddir + '/buildstate.json'
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old_component_count = len(oldcache)
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new_component_count = len(snapshot['components'])
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needed_builds = []
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need_createrepo = old_component_count != new_component_count
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for component in snapshot['components']:
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component_hash = self._json_hash(component)
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distgit_name = component['pkgname']
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cache_misses = []
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for (cache, cache_parent, cache_description) in [(oldcache, self.builddir.path, 'previous'),
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(partial_cache, self.partialbuilddir, 'partial')]:
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cachedstate = cache.get(distgit_name)
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if cachedstate is None:
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continue
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cached_dirname = cachedstate['dirname']
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if component.get('self-buildrequires', False):
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log("Copying previous {1} build due to self-BuildRequires: {0}".format(cached_dirname, cache_description))
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self._copy_previous_build(cachedstate, cache_parent)
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break
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elif cachedstate['hashv0'] == component_hash:
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log("Reusing cached {1} build: {0}".format(cached_dirname, cache_description))
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self._copy_previous_build(cachedstate, cache_parent)
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newcache[distgit_name] = cachedstate
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break
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else:
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cache_misses.append(cache_description)
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if newcache.get(distgit_name) is not None:
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continue
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if len(cache_misses) > 0:
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log("Cache miss for {0} in: {1}".format(distgit_name, ' '.join(cache_misses)))
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else:
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log("No cached state for {0}".format(distgit_name))
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srcsnap = component['srcsnap']
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newcache[distgit_name] = {'hashv0': component_hash,
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'dirname': srcsnap.replace('.srcsnap','')}
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needed_builds.append((component, SRPMBuild(self.snapshotdir + '/' + srcsnap + '/',
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component['rpmwith'], component['rpmwithout'])))
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need_createrepo = True
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# At this point we've consumed any previous partial results, so clean up the dir.
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rmrf(self.partialbuilddir)
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if len(needed_builds) > 0:
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srpmroot_builds = []
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regbuilds = []
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for (component, build) in needed_builds:
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if component.get('srpmroot') is True:
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srpmroot_builds.append((component, build))
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else:
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regbuilds.append((component, build))
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if len(srpmroot_builds) > 0:
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print("Performing SRPM root bootstrap for {}".format([x[0]['pkgname'] for x in srpmroot_builds]))
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mc = MockChain(root_mock, self.newbuilddir)
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rc = mc.build([x[1] for x in srpmroot_builds])
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if rc != 0:
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fatal("{0} failed: bootstrap mockchain exited with code {1}".format(os.path.basename(self.newbuilddir), rc))
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# This assumes that the srpm generates a binary of the same name.
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srpmroot_pkgnames = []
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for component in snapshot['components']:
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if component.get('srpmroot') is True:
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srpmroot_pkgnames.append(component['pkgname'])
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print("Extra SRPM root packages: {}".format(srpmroot_pkgnames))
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mc = MockChain(root_mock, self.newbuilddir, append_chroot_install=srpmroot_pkgnames)
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rc = mc.build([x[1] for x in regbuilds])
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if opts.logdir is not None:
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ensure_clean_dir(opts.logdir)
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self._postprocess_results(self.newbuilddir, snapshot=snapshot, needed_builds=needed_builds,
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newcache=newcache, logdir=opts.logdir)
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with open(newcache_path, 'w') as f:
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json.dump(newcache, f, sort_keys=True)
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if rc != 0:
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fatal("{0} failed: mockchain exited with code {1}".format(os.path.basename(self.newbuilddir), rc))
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elif need_createrepo:
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log("No build neeeded, but component set changed")
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if need_createrepo:
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run_sync(['createrepo_c', '--no-database', '--update', '.'], cwd=self.newbuilddir)
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if len(needed_builds) == 0:
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with open(newcache_path, 'w') as f:
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json.dump(newcache, f, sort_keys=True)
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self.builddir.commit()
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if opts.touch_if_changed:
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# Python doesn't bind futimens() - http://stackoverflow.com/questions/1158076/implement-touch-using-python
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with open(opts.touch_if_changed, 'a'):
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log("Updated timestamp of {}".format(opts.touch_if_changed))
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os.utime(opts.touch_if_changed, None)
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log("Success!")
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else:
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self.builddir.abandon()
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log("No changes.")
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