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Optionally merge packages from testing to unstable

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To cope with a partial unstable suite like Ubuntu's -proposed pocket.
This commit is contained in:
Colin Watson 2012-11-04 00:03:26 +00:00 committed by Iain Lane
parent 3b8daa98ec
commit 35c1bb36f4
1 changed files with 84 additions and 0 deletions
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84
britney2/inputs/suiteloader.py
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@ -1,5 +1,7 @@
from abc import abstractmethod
from collections import defaultdict
import apt_pkg
import copy
import logging
import os
import sys
@ -115,8 +117,23 @@ class DebMirrorLikeSuiteContentLoader(SuiteContentLoader):
sources = self._read_sources(suite.path)
self._update_suite_name(suite)
suite.sources = sources
if hasattr(self._base_config, 'partial_unstable'):
testing = suites[0]
unstable = suites[1]
# We need the sources from the target suite available when reading
# Packages files, so the binaries for binary-only migrations can be
# added to the right SourcePackage.
self._merge_sources(testing, unstable)
for suite in suites:
(suite.binaries, suite.provides_table) = self._read_binaries(suite, self._architectures)
if hasattr(self._base_config, 'partial_unstable'):
# _read_binaries might have created 'faux' packages, and these need merging too.
self._merge_sources(testing, unstable)
self._merge_binaries(testing, unstable, self._architectures)
return Suites(suites[0], suites[1:])
def _setup_architectures(self):
@ -207,6 +224,73 @@ class DebMirrorLikeSuiteContentLoader(SuiteContentLoader):
return sources
def _merge_sources(self, target, source):
"""Merge sources from `target' into partial suite `source'."""
target_sources = target.sources
source_sources = source.sources
# we need complete copies here, as we might later find some binaries
# which are only in unstable
for pkg, value in target_sources.items():
if pkg not in source_sources:
source_sources[pkg] = copy.deepcopy(value)
def _merge_binaries(self, target, source, arches):
"""Merge `arches' binaries from `target' into partial suite
`source'."""
target_sources = target.sources
target_binaries = target.binaries
source_sources = source.sources
source_binaries = source.binaries
source_provides = source.provides_table
oodsrcs = defaultdict(set)
def _merge_binaries_arch(arch):
for pkg, value in target_binaries[arch].items():
if pkg in source_binaries[arch]:
continue
# Don't merge binaries rendered stale by new sources in source
# that have built on this architecture.
if value.source not in oodsrcs[arch]:
target_version = target_sources[value.source].version
try:
source_version = source_sources[value.source].version
except KeyError:
self.logger.info("merge_binaries: pkg %s has no source, NBS?" % pkg)
continue
if target_version != source_version:
current_arch = value.architecture
built = False
for b in source_sources[value.source].binaries:
if b.architecture == arch:
source_value = source_binaries[arch][b.package_name]
if current_arch in (
source_value.architecture, 'all'):
built = True
break
if built:
continue
oodsrcs[arch].add(value.source)
if pkg in source_binaries[arch]:
for p in source_binaries[arch][pkg].provides:
source_provides[arch][p].remove(pkg)
if not source_provides[arch][p]:
del source_provides[arch][p]
source_binaries[arch][pkg] = value
if value.pkg_id not in source_sources[value.source].binaries:
source_sources[value.source].binaries.add(value.pkg_id)
for p in value.provides:
if p not in source_provides[arch]:
source_provides[arch][p] = []
source_provides[arch][p].append(pkg)
for arch in arches:
_merge_binaries_arch(arch)
@staticmethod
def merge_fields(get_field, *field_names, separator=', '):
"""Merge two or more fields (filtering out empty fields; returning None if all are empty)