def usage(exit_code=0):
- print """Usage: dak cruft-report
-Check for obsolete or duplicated packages.
+ print """Usage: dak auto-decruft
+Automatic removal of common kinds of cruft
-h, --help show this help and exit.
-n, --dry-run don't do anything, just show what would have been done
- -s, --suite=SUITE check suite SUITE."""
+ -s, --suite=SUITE check suite SUITE.
+ --if-newer-version-in OS remove all packages in SUITE with a lower version than
+ in OS (e.g. -s experimental --if-newer-version-in
+ unstable)
+ --if-newer-version-in-rm-msg RMMSG
+ use RMMSG in the removal message (e.g. "NVIU")
+ """
sys.exit(exit_code)
################################################################################
"""Find binaries without a source
@type suite_id: int
- @param suite_id: The id of the suite donated by suite_name
+ @param suite_id: The id of the suite denoted by suite_name
@type session: SQLA Session
@param session: The database session in use
"""""
rows = query_without_source(suite_id, session)
message = '[auto-cruft] no longer built from source, no reverse dependencies'
- arch_all_id_tuple = tuple([get_architecture('all', session=session)])
+ arch = get_architecture('all', session=session)
+ arch_all_id_tuple = tuple([arch.arch_id])
arch_all_list = ["all"]
for row in rows:
package = row[0]
"""Find binaries no longer built
@type suite_id: int
- @param suite_id: The id of the suite donated by suite_name
+ @param suite_id: The id of the suite denoted by suite_name
@type suite_name: string
@param suite_name: The name of the suite to remove from
remove(session, message, [suite_name], list(q), partial=True, whoami="DAK's auto-decrufter")
+def dedup(*args):
+ seen = set()
+ for iterable in args:
+ for value in iterable:
+ if value not in seen:
+ seen.add(value)
+ yield value
+
+
+def merge_group(groupA, groupB):
+ """Merges two removal groups into one
+
+ Note that some values are taken entirely from groupA (e.g. name and message)
+
+ @type groupA: dict
+ @param groupA: A removal group
+
+ @type groupB: dict
+ @param groupB: Another removal group
+
+ @rtype: dict
+ @returns: A merged group
+ """
+ pkg_list = sorted(dedup(groupA["packages"], groupB["packages"]))
+ arch_list = sorted(dedup(groupA["architectures"], groupB["architectures"]), cmp=utils.arch_compare_sw)
+ arch_list_id = dedup(groupA["architecture_ids"], groupB["architecture_ids"])
+ removalA = groupA["removal_request"]
+ removalB = groupB["removal_request"]
+ new_removal = {}
+ for pkg in dedup(removalA, removalB):
+ listA = removalA[pkg] if pkg in removalA else []
+ listB = removalB[pkg] if pkg in removalB else []
+ new_removal[pkg] = sorted(dedup(listA, listB), cmp=utils.arch_compare_sw)
+
+ merged_group = {
+ "name": groupA["name"],
+ "packages": tuple(pkg_list),
+ "architectures": arch_list,
+ "architecture_ids": tuple(arch_list_id),
+ "message": groupA["message"],
+ "removal_request": new_removal,
+ }
+
+ return merged_group
+
+
def auto_decruft_suite(suite_name, suite_id, session, dryrun, debug):
"""Run the auto-decrufter on a given suite
@param suite_name: The name of the suite to remove from
@type suite_id: int
- @param suite_id: The id of the suite donated by suite_name
+ @param suite_id: The id of the suite denoted by suite_name
@type session: SQLA Session
@param session: The database session in use
group_name = group["name"]
pkgs = group["packages"]
affected_archs = group["architectures"]
- removal_request = group["removal_request"]
# If we remove an arch:all package, then the breakage can occur on any
# of the architectures.
if "all" in affected_archs:
affected_archs = all_architectures
for pkg_arch in product(pkgs, affected_archs):
pkg_arch2groups[pkg_arch].add(group_name)
- groups[group_name] = group
- group_order.append(group_name)
+ if group_name not in groups:
+ groups[group_name] = group
+ group_order.append(group_name)
+ else:
+ # This case usually happens when versions differ between architectures...
+ if debug:
+ print "N: Merging group %s" % (group_name)
+ groups[group_name] = merge_group(groups[group_name], group)
+ for group_name in group_order:
+ removal_request = groups[group_name]["removal_request"]
full_removal_request.extend(removal_request.iteritems())
if not groups:
if debug:
print "N: Found no candidates"
return
+
if debug:
print "N: Considering to remove the following packages:"
for group_name in sorted(groups):
remove_groups(groups.itervalues(), suite_id, suite_name, session)
+def sources2removals(source_list, suite_id, session):
+ """Compute removals items given a list of names of source packages
+
+ @type source_list: list
+ @param source_list: A list of names of source packages
+
+ @type suite_id: int
+ @param suite_id: The id of the suite from which these sources should be removed
+
+ @type session: SQLA Session
+ @param session: The database session in use
+
+ @rtype: list
+ @return: A list of items to be removed to remove all sources and their binaries from the given suite
+ """
+ to_remove = []
+ params = {"suite_id": suite_id, "sources": tuple(source_list)}
+ q = session.execute("""
+ SELECT s.source, s.version, 'source', s.id
+ FROM source s
+ JOIN src_associations sa ON sa.source = s.id
+ WHERE sa.suite = :suite_id AND s.source IN :sources""", params)
+ to_remove.extend(q)
+ q = session.execute("""
+ SELECT b.package, b.version, a.arch_string, b.id
+ FROM binaries b
+ JOIN bin_associations ba ON b.id = ba.bin
+ JOIN architecture a ON b.architecture = a.id
+ JOIN source s ON b.source = s.id
+ WHERE ba.suite = :suite_id AND s.source IN :sources""", params)
+ to_remove.extend(q)
+ return to_remove
+
+
+def decruft_newer_version_in(othersuite, suite_name, suite_id, rm_msg, session, dryrun):
+ """Compute removals items given a list of names of source packages
+
+ @type othersuite: str
+ @param othersuite: The name of the suite to compare with (e.g. "unstable" for "NVIU")
+
+ @type suite: str
+ @param suite: The name of the suite from which to do removals (e.g. "experimental" for "NVIU")
+
+ @type suite_id: int
+ @param suite_id: The id of the suite from which these sources should be removed
+
+ @type rm_msg: str
+ @param rm_msg: The removal message (or tag, e.g. "NVIU")
+
+ @type session: SQLA Session
+ @param session: The database session in use
+
+ @type dryrun: bool
+ @param dryrun: If True, just print the actions rather than actually doing them
+ """
+ nvi_list = [x[0] for x in newer_version(othersuite, suite_name, session)]
+ if nvi_list:
+ message = "[auto-cruft] %s" % rm_msg
+ if dryrun:
+ print " dak rm -m \"%s\" -s %s %s" % (message, suite_name, " ".join(nvi_list))
+ else:
+ removals = sources2removals(nvi_list, suite_id, session)
+ remove(session, message, [suite_name], removals, whoami="DAK's auto-decrufter")
+
################################################################################
def main ():
Arguments = [('h',"help","Auto-Decruft::Options::Help"),
('n',"dry-run","Auto-Decruft::Options::Dry-Run"),
('d',"debug","Auto-Decruft::Options::Debug"),
- ('s',"suite","Auto-Decruft::Options::Suite","HasArg")]
- for i in ["help", "Dry-Run", "Debug"]:
+ ('s',"suite","Auto-Decruft::Options::Suite","HasArg"),
+ # The "\0" seems to be the only way to disable short options.
+ ("\0",'if-newer-version-in',"Auto-Decruft::Options::OtherSuite", "HasArg"),
+ ("\0",'if-newer-version-in-rm-msg',"Auto-Decruft::Options::OtherSuiteRMMsg", "HasArg")]
+ for i in ["help", "Dry-Run", "Debug", "OtherSuite", "OtherSuiteRMMsg"]:
if not cnf.has_key("Auto-Decruft::Options::%s" % (i)):
cnf["Auto-Decruft::Options::%s" % (i)] = ""
if Options["Debug"]:
debug = True
+ if Options["OtherSuite"] and not Options["OtherSuiteRMMsg"]:
+ utils.fubar("--if-newer-version-in requires --if-newer-version-in-rm-msg")
+
session = DBConn().session()
suite = get_suite(Options["Suite"].lower(), session)
auto_decruft_suite(suite_name, suite_id, session, dryrun, debug)
+ if Options["OtherSuite"]:
+ osuite = get_suite(Options["OtherSuite"].lower(), session).suite_name
+ decruft_newer_version_in(osuite, suite_name, suite_id, Options["OtherSuiteRMMsg"], session, dryrun)
+
+ if not dryrun:
+ session.commit()
+
################################################################################
if __name__ == '__main__':