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@ -24,7 +24,7 @@ This is the Debian testing updater script, also known as "Britney".
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Packages are usually installed into the `testing' distribution after
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Packages are usually installed into the `testing' distribution after
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they have undergone some degree of testing in unstable. The goal of
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they have undergone some degree of testing in unstable. The goal of
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this software is to do this task in a smart way, allowing testing
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this software is to do this task in a smart way, allowing testing
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to be always fully installable and close to being a release candidate.
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to always be fully installable and close to being a release candidate.
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Britney's source code is split between two different but related tasks:
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Britney's source code is split between two different but related tasks:
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the first one is the generation of the update excuses, while the
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the first one is the generation of the update excuses, while the
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@ -95,9 +95,9 @@ does for the generation of the update excuses.
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is ignored: it will be removed and not updated.
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is ignored: it will be removed and not updated.
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2. For every binary package built from the new source, it checks
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2. For every binary package built from the new source, it checks
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for unsatisfied dependencies, new binary package and updated
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for unsatisfied dependencies, new binary packages and updated
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binary package (binNMU) excluding the architecture-independent
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binary packages (binNMU), excluding the architecture-independent
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ones and the packages not built from the same source.
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ones, and packages not built from the same source.
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3. For every binary package built from the old source, it checks
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3. For every binary package built from the old source, it checks
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if it is still built from the new source; if this is not true
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if it is still built from the new source; if this is not true
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@ -146,7 +146,7 @@ does for the generation of the update excuses.
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If this is not true, then these are called `out-of-date'
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If this is not true, then these are called `out-of-date'
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architectures and the package is ignored.
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architectures and the package is ignored.
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9. The source package must have at least a binary package, otherwise
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9. The source package must have at least one binary package, otherwise
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it is ignored.
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it is ignored.
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10. If the suite is unstable, the new source package must have no
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10. If the suite is unstable, the new source package must have no
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@ -397,7 +397,7 @@ class Britney(object):
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output. The type parameter controls the urgency of the message, and
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output. The type parameter controls the urgency of the message, and
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can be equal to `I' for `Information', `W' for `Warning' and `E' for
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can be equal to `I' for `Information', `W' for `Warning' and `E' for
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`Error'. Warnings and errors are always printed, and information is
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`Error'. Warnings and errors are always printed, and information is
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printed only if the verbose logging is enabled.
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printed only if verbose logging is enabled.
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"""
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"""
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if self.options.verbose or type in ("E", "W"):
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if self.options.verbose or type in ("E", "W"):
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print "%s: [%s] - %s" % (type, time.asctime(), msg)
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print "%s: [%s] - %s" % (type, time.asctime(), msg)
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@ -463,7 +463,7 @@ class Britney(object):
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within the directory specified as `basedir' parameter, replacing
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within the directory specified as `basedir' parameter, replacing
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${arch} with the value of the arch parameter. Considering the
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${arch} with the value of the arch parameter. Considering the
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large amount of memory needed, not all the fields are loaded
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large amount of memory needed, not all the fields are loaded
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in memory. The available fields are Version, Source, Pre-Depends,
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in memory. The available fields are Version, Source, Multi-Arch,
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Depends, Conflicts, Provides and Architecture.
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Depends, Conflicts, Provides and Architecture.
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After reading the packages, reverse dependencies are computed
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After reading the packages, reverse dependencies are computed
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@ -652,7 +652,7 @@ class Britney(object):
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<package-name> <version> <date-of-upload>
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<package-name> <version> <date-of-upload>
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The dates are expressed as days starting from the 1970-01-01.
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The dates are expressed as the number of days from 1970-01-01.
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The method returns a dictionary where the key is the binary package
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The method returns a dictionary where the key is the binary package
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name and the value is a tuple with two items, the version and the date.
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name and the value is a tuple with two items, the version and the date.
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@ -890,7 +890,7 @@ class Britney(object):
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package = binaries[0][name]
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package = binaries[0][name]
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# check the versioned dependency and architecture qualifier
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# check the versioned dependency and architecture qualifier
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# (if present)
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# (if present)
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if op == '' and version == '' or apt_pkg.check_dep(package[VERSION], op, version):
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if (op == '' and version == '') or apt_pkg.check_dep(package[VERSION], op, version):
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if archqual is None or (archqual == 'any' and package[MULTIARCH] == 'allowed'):
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if archqual is None or (archqual == 'any' and package[MULTIARCH] == 'allowed'):
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packages.append(name)
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packages.append(name)
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@ -898,10 +898,10 @@ class Britney(object):
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for prov in binaries[1].get(name, []):
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for prov in binaries[1].get(name, []):
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if prov not in binaries[0]: continue
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if prov not in binaries[0]: continue
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package = binaries[0][prov]
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package = binaries[0][prov]
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# A provides only satisfies an unversioned dependency
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# A provides only satisfies:
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# (per Policy Manual §7.5)
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# - an unversioned dependency (per Policy Manual §7.5)
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# A provides only satisfies a dependency without an
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# - a dependency without an architecture qualifier
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# architecture qualifier (per analysis of apt code)
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# (per analysis of apt code)
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if op == '' and version == '' and archqual is None:
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if op == '' and version == '' and archqual is None:
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packages.append(prov)
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packages.append(prov)
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@ -919,7 +919,7 @@ class Britney(object):
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# retrieve the binary package from the specified suite and arch
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# retrieve the binary package from the specified suite and arch
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binary_u = self.binaries[suite][arch][0][pkg]
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binary_u = self.binaries[suite][arch][0][pkg]
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# local copies for better performances
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# local copies for better performance
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parse_depends = apt_pkg.parse_depends
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parse_depends = apt_pkg.parse_depends
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get_dependency_solvers = self.get_dependency_solvers
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get_dependency_solvers = self.get_dependency_solvers
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@ -928,7 +928,7 @@ class Britney(object):
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return
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return
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deps = binary_u[DEPENDS]
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deps = binary_u[DEPENDS]
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# for every block of dependency (which is formed as conjunction of disconjunction)
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# for every dependency block (formed as conjunction of disjunction)
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for block, block_txt in zip(parse_depends(deps, False), deps.split(',')):
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for block, block_txt in zip(parse_depends(deps, False), deps.split(',')):
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# if the block is satisfied in testing, then skip the block
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# if the block is satisfied in testing, then skip the block
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solved, packages = get_dependency_solvers(block, arch, 'testing')
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solved, packages = get_dependency_solvers(block, arch, 'testing')
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@ -1118,7 +1118,7 @@ class Britney(object):
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# as otherwise the updated source will already cause the binary packages
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# as otherwise the updated source will already cause the binary packages
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# to be updated
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# to be updated
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if ssrc:
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if ssrc:
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# Special-case, if the binary is a candidate for smooth update, we do not consider
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# Special-case, if the binary is a candidate for a smooth update, we do not consider
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# it "interesting" on its own. This case happens quite often with smooth updatable
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# it "interesting" on its own. This case happens quite often with smooth updatable
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# packages, where the old binary "survives" a full run because it still has
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# packages, where the old binary "survives" a full run because it still has
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# reverse dependencies.
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# reverse dependencies.
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@ -1356,7 +1356,7 @@ class Britney(object):
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# if the suite is unstable, then we have to check the release-critical bug lists before
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# if the suite is unstable, then we have to check the release-critical bug lists before
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# updating testing; if the unstable package has RC bugs that do not apply to the testing
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# updating testing; if the unstable package has RC bugs that do not apply to the testing
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# one, the check fails and we set update_candidate to False to block the update
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# one, the check fails and we set update_candidate to False to block the update
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if suite == 'unstable':
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if suite == 'unstable':
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for pkg in pkgs:
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for pkg in pkgs:
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bugs_t = []
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bugs_t = []
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Adam D. Barratt
11 years ago