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https://git.launchpad.net/~ubuntu-release/britney/+git/britney2-ubuntu
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britney: Extract a find_smooth_updateable_binaries function
Signed-off-by: Niels Thykier <niels@thykier.net>
This commit is contained in:
Niels Thykier
parent
7d7a42153d
commit
880a614b2b
61
britney.py
61
britney.py
@ -211,6 +211,7 @@ from britney2.utils import (log_and_format_old_libraries, undo_changes,
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create_provides_map, read_release_file,
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read_sources_file, get_dependency_solvers,
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invalidate_excuses, compile_nuninst,
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find_smooth_updateable_binaries,
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)
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__author__ = 'Fabio Tranchitella and the Debian Release Team'
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@ -1838,14 +1839,12 @@ class Britney(object):
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source_data = sources_t[source_name]
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bins = []
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check = set()
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# remove all the binaries
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# first, build a list of eligible binaries
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for pkg_id in source_data.binaries:
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binary, _, parch = pkg_id
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if (migration_architecture != 'source'
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and parch != migration_architecture):
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if migration_architecture != 'source' and parch != migration_architecture:
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continue
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# Work around #815995
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@ -1857,57 +1856,17 @@ class Britney(object):
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continue
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bins.append(pkg_id)
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for pkg_id in bins:
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binary, _, parch = pkg_id
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# if a smooth update is possible for the package, skip it
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if allow_smooth_updates and source_suite.suite_class.is_primary_source and \
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binary not in binaries_s[parch][0] and \
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('ALL' in self.options.smooth_updates or \
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binaries_t[parch][0][binary].section in self.options.smooth_updates):
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# if the package has reverse-dependencies which are
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# built from other sources, it's a valid candidate for
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# a smooth update. if not, it may still be a valid
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# candidate if one if its r-deps is itself a candidate,
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# so note it for checking later
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rdeps = set(inst_tester.reverse_dependencies_of(pkg_id))
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# We ignore all binaries listed in "removals" as we
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# assume they will leave at the same time as the
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# given package.
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rdeps.difference_update(removals, bins)
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smooth_update_it = False
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if inst_tester.any_of_these_are_in_testing(rdeps):
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combined = set(smoothbins)
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combined.add(pkg_id)
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for rdep in rdeps:
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for dep_clause in inst_tester.dependencies_of(rdep):
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if dep_clause <= combined:
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smooth_update_it = True
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break
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if smooth_update_it:
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smoothbins = combined
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else:
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check.add(pkg_id)
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# check whether we should perform a smooth update for
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# packages which are candidates but do not have r-deps
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# outside of the current source
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while 1:
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found_any = False
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for pkg_id in check:
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rdeps = inst_tester.reverse_dependencies_of(pkg_id)
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if not rdeps.isdisjoint(smoothbins):
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smoothbins.add(pkg_id)
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found_any = True
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if not found_any:
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break
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check = [x for x in check if x not in smoothbins]
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if allow_smooth_updates and source_suite.suite_class.is_primary_source:
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smoothbins = find_smooth_updateable_binaries(bins,
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inst_tester,
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binaries_t,
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binaries_s,
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removals,
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self.options.smooth_updates)
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# remove all the binaries which aren't being smooth updated
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for pkg_id in (pkg_id for pkg_id in bins if pkg_id not in smoothbins):
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binary, version, parch = pkg_id
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binary, _, parch = pkg_id
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# if this is a binary migration from *pu, only the arch:any
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# packages will be present. ideally dak would also populate
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# the arch-indep packages, but as that's not the case we
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@ -933,3 +933,56 @@ def compile_nuninst(binaries_t, inst_tester, architectures, nobreakall_arches):
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nuninst[arch].remove(pkg_name)
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return nuninst
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def find_smooth_updateable_binaries(binaries_to_check, inst_tester, binaries_t, binaries_s, removals, smooth_updates):
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check = set()
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smoothbins = set()
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for pkg_id in binaries_to_check:
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binary, _, parch = pkg_id
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# if a smooth update is possible for the package, skip it
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if binary not in binaries_s[parch][0] and \
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('ALL' in smooth_updates or binaries_t[parch][0][binary].section in smooth_updates):
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# if the package has reverse-dependencies which are
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# built from other sources, it's a valid candidate for
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# a smooth update. if not, it may still be a valid
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# candidate if one if its r-deps is itself a candidate,
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# so note it for checking later
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rdeps = set(inst_tester.reverse_dependencies_of(pkg_id))
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# We ignore all binaries listed in "removals" as we
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# assume they will leave at the same time as the
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# given package.
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rdeps.difference_update(removals, binaries_to_check)
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smooth_update_it = False
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if inst_tester.any_of_these_are_in_testing(rdeps):
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combined = set(smoothbins)
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combined.add(pkg_id)
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for rdep in rdeps:
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for dep_clause in inst_tester.dependencies_of(rdep):
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if dep_clause <= combined:
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smooth_update_it = True
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break
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if smooth_update_it:
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smoothbins = combined
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else:
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check.add(pkg_id)
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# check whether we should perform a smooth update for
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# packages which are candidates but do not have r-deps
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# outside of the current source
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while 1:
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found_any = False
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for pkg_id in check:
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rdeps = inst_tester.reverse_dependencies_of(pkg_id)
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if not rdeps.isdisjoint(smoothbins):
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smoothbins.add(pkg_id)
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found_any = True
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if not found_any:
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break
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check = [x for x in check if x not in smoothbins]
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return smoothbins
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