def clean_byhash(now_date, session):
cnf = Config()
Logger.log(["Cleaning out unused by-hash files..."])
q = session.execute("""
DELETE FROM hashfile h
USING suite s, archive a
WHERE s.id = h.suite_id
AND a.id = s.archive_id
AND h.unreferenced + a.stayofexecution < CURRENT_TIMESTAMP
RETURNING a.path, s.suite_name, h.path""")
count = q.rowcount
if not Options["No-Action"]:
for base, suite, path in q:
suite_suffix = utils.suite_suffix(suite)
filename = os.path.join(base, 'dists', suite, suite_suffix, path)
try:
os.unlink(filename)
except OSError as exc:
if exc.errno != errno.ENOENT:
raise
Logger.log(
['database referred to non-existing file', filename])
else:
Logger.log(['delete hashfile', suite, path])
session.commit()
if count > 0:
Logger.log(["total", count])
def suite_path(self):
"""
Absolute path to the suite-specific files.
"""
suite_suffix = utils.suite_suffix(self.suite.suite_name)
return os.path.join(self.suite.archive.path, 'dists',
self.suite.suite_name, suite_suffix)
def suite_release_path(self):
"""
Absolute path where Release files are physically stored.
This should be a path that sorts after the dists/ directory.
"""
cnf = Config()
suite_suffix = utils.suite_suffix(self.suite.suite_name)
return os.path.join(self.suite.archive.path, 'zzz-dists',
self.suite.suite_name, suite_suffix)
def generate_release_files(self):
"""
Generate Release files for the given suite
@type suite: string
@param suite: Suite name
"""
suite = self.suite
session = object_session(suite)
architectures = get_suite_architectures(suite.suite_name, skipall=True, skipsrc=True, session=session)
# Attribs contains a tuple of field names and the database names to use to
# fill them in
attribs = (('Origin', 'origin'),
('Label', 'label'),
('Suite', 'release_suite_output'),
('Version', 'version'),
('Codename', 'codename'),
('Changelogs', 'changelog_url'),
)
# A "Sub" Release file has slightly different fields
subattribs = (('Archive', 'suite_name'),
('Origin', 'origin'),
('Label', 'label'),
('Version', 'version'))
# Boolean stuff. If we find it true in database, write out "yes" into the release file
boolattrs = (('NotAutomatic', 'notautomatic'),
('ButAutomaticUpgrades', 'butautomaticupgrades'),
('Acquire-By-Hash', 'byhash'),
)
cnf = Config()
cnf_suite_suffix = cnf.get("Dinstall::SuiteSuffix", "").rstrip("/")
suite_suffix = utils.suite_suffix(suite.suite_name)
self.create_output_directories()
self.create_release_symlinks()
outfile = os.path.join(self.suite_release_path(), "Release")
out = open(outfile + ".new", "w")
for key, dbfield in attribs:
# Hack to skip NULL Version fields as we used to do this
# We should probably just always ignore anything which is None
if key in ("Version", "Changelogs") and getattr(suite, dbfield) is None:
continue
out.write("%s: %s\n" % (key, getattr(suite, dbfield)))
out.write("Date: %s\n" % (time.strftime("%a, %d %b %Y %H:%M:%S UTC", time.gmtime(time.time()))))
if suite.validtime:
validtime = float(suite.validtime)
out.write("Valid-Until: %s\n" % (time.strftime("%a, %d %b %Y %H:%M:%S UTC", time.gmtime(time.time() + validtime))))
for key, dbfield in boolattrs:
if getattr(suite, dbfield, False):
out.write("%s: yes\n" % (key))
out.write("Architectures: %s\n" % (" ".join([a.arch_string for a in architectures])))
components = [c.component_name for c in suite.components]
out.write("Components: %s\n" % (" ".join(components)))
# For exact compatibility with old g-r, write out Description here instead
# of with the rest of the DB fields above
if getattr(suite, 'description') is not None:
out.write("Description: %s\n" % suite.description)
for comp in components:
for dirpath, dirnames, filenames in os.walk(os.path.join(self.suite_path(), comp), topdown=True):
if not re_gensubrelease.match(dirpath):
continue
subfile = os.path.join(dirpath, "Release")
subrel = open(subfile + '.new', "w")
for key, dbfield in subattribs:
if getattr(suite, dbfield) is not None:
subrel.write("%s: %s\n" % (key, getattr(suite, dbfield)))
for key, dbfield in boolattrs:
if getattr(suite, dbfield, False):
subrel.write("%s: yes\n" % (key))
subrel.write("Component: %s%s\n" % (suite_suffix, comp))
# Urgh, but until we have all the suite/component/arch stuff in the DB,
# this'll have to do
arch = os.path.split(dirpath)[-1]
if arch.startswith('binary-'):
arch = arch[7:]
subrel.write("Architecture: %s\n" % (arch))
subrel.close()
os.rename(subfile + '.new', subfile)
# Now that we have done the groundwork, we want to get off and add the files with
# their checksums to the main Release file
oldcwd = os.getcwd()
os.chdir(self.suite_path())
hashes = [x for x in RELEASE_HASHES if x.db_name in suite.checksums]
fileinfo = {}
fileinfo_byhash = {}
uncompnotseen = {}
for dirpath, dirnames, filenames in os.walk(".", followlinks=True, topdown=True):
# SuiteSuffix deprecation:
# components on security-master are updates/{main,contrib,non-free}, but
# we want dists/${suite}/main. Until we can rename the components,
# we cheat by having an updates -> . symlink. This should not be visited.
if cnf_suite_suffix:
path = os.path.join(dirpath, cnf_suite_suffix)
try:
target = os.readlink(path)
if target == ".":
dirnames.remove(cnf_suite_suffix)
except (OSError, ValueError):
pass
for entry in filenames:
if dirpath == '.' and entry in ["Release", "Release.gpg", "InRelease"]:
continue
filename = os.path.join(dirpath.lstrip('./'), entry)
if re_includeinrelease_byhash.match(entry):
fileinfo[filename] = fileinfo_byhash[filename] = {}
elif re_includeinrelease_plain.match(entry):
fileinfo[filename] = {}
# Skip things we don't want to include
else:
continue
contents = open(filename, 'r').read()
# If we find a file for which we have a compressed version and
# haven't yet seen the uncompressed one, store the possibility
# for future use
if entry.endswith(".gz") and filename[:-3] not in uncompnotseen:
uncompnotseen[filename[:-3]] = (gzip.GzipFile, filename)
elif entry.endswith(".bz2") and filename[:-4] not in uncompnotseen:
uncompnotseen[filename[:-4]] = (bz2.BZ2File, filename)
elif entry.endswith(".xz") and filename[:-3] not in uncompnotseen:
uncompnotseen[filename[:-3]] = (XzFile, filename)
fileinfo[filename]['len'] = len(contents)
for hf in hashes:
fileinfo[filename][hf.release_field] = hf.func(contents)
for filename, comp in uncompnotseen.items():
# If we've already seen the uncompressed file, we don't
# need to do anything again
if filename in fileinfo:
continue
fileinfo[filename] = {}
# File handler is comp[0], filename of compressed file is comp[1]
contents = comp[0](comp[1], 'r').read()
fileinfo[filename]['len'] = len(contents)
for hf in hashes:
fileinfo[filename][hf.release_field] = hf.func(contents)
for field in sorted(h.release_field for h in hashes):
out.write('%s:\n' % field)
for filename in sorted(fileinfo.keys()):
out.write(" %s %8d %s\n" % (fileinfo[filename][field], fileinfo[filename]['len'], filename))
out.close()
os.rename(outfile + '.new', outfile)
self._update_hashfile_table(session, fileinfo_byhash, hashes)
self._make_byhash_links(fileinfo_byhash, hashes)
self._make_byhash_base_symlink(fileinfo_byhash, hashes)
sign_release_dir(suite, os.path.dirname(outfile))
os.chdir(oldcwd)
return
def main():
global Cnf, Options, Logger
os.umask(0o002)
Cnf = utils.get_conf()
Arguments = [('h', "help", "Generate-Index-Diffs::Options::Help"),
('a', 'archive', 'Generate-Index-Diffs::Options::Archive', 'hasArg'),
('c', None, "Generate-Index-Diffs::Options::CanonicalPath", "hasArg"),
('p', "patchname", "Generate-Index-Diffs::Options::PatchName", "hasArg"),
('d', "tmpdir", "Generate-Index-Diffs::Options::TempDir", "hasArg"),
('m', "maxdiffs", "Generate-Index-Diffs::Options::MaxDiffs", "hasArg"),
('n', "no-act", "Generate-Index-Diffs::Options::NoAct"),
('v', "verbose", "Generate-Index-Diffs::Options::Verbose"),
]
suites = apt_pkg.parse_commandline(Cnf, Arguments, sys.argv)
Options = Cnf.subtree("Generate-Index-Diffs::Options")
if "Help" in Options:
usage()
maxdiffs = Options.get("MaxDiffs::Default", "56")
maxpackages = Options.get("MaxDiffs::Packages", maxdiffs)
maxcontents = Options.get("MaxDiffs::Contents", maxdiffs)
maxsources = Options.get("MaxDiffs::Sources", maxdiffs)
# can only be set via config at the moment
max_parallel = int(Options.get("MaxParallel", "8"))
if "PatchName" not in Options:
format = "%Y-%m-%d-%H%M.%S"
Options["PatchName"] = time.strftime(format)
session = DBConn().session()
pending_tasks = []
if not suites:
query = session.query(Suite.suite_name)
if Options.get('Archive'):
archives = utils.split_args(Options['Archive'])
query = query.join(Suite.archive).filter(Archive.archive_name.in_(archives))
suites = [s.suite_name for s in query]
for suitename in suites:
print("Processing: " + suitename)
suiteobj = get_suite(suitename.lower(), session=session)
# Use the canonical version of the suite name
suite = suiteobj.suite_name
if suiteobj.untouchable:
print("Skipping: " + suite + " (untouchable)")
continue
skip_all = True
if suiteobj.separate_contents_architecture_all or suiteobj.separate_packages_architecture_all:
skip_all = False
architectures = get_suite_architectures(suite, skipall=skip_all, session=session)
components = [c.component_name for c in session.query(Component.component_name)]
suite_suffix = utils.suite_suffix(suitename)
if components and suite_suffix:
longsuite = suite + "/" + suite_suffix
else:
longsuite = suite
merged_pdiffs = suiteobj.merged_pdiffs
tree = os.path.join(suiteobj.archive.path, 'dists', longsuite)
# See if there are Translations which might need a new pdiff
cwd = os.getcwd()
for component in components:
workpath = os.path.join(tree, component, "i18n")
if os.path.isdir(workpath):
os.chdir(workpath)
for dirpath, dirnames, filenames in os.walk(".", followlinks=True, topdown=True):
for entry in filenames:
if not re_includeinpdiff.match(entry):
continue
(fname, fext) = os.path.splitext(entry)
processfile = os.path.join(workpath, fname)
storename = "%s/%s_%s_%s" % (Options["TempDir"], suite, component, fname)
coroutine = genchanges(Options, processfile + ".diff", storename, processfile, maxdiffs, merged_pdiffs)
pending_tasks.append(coroutine)
os.chdir(cwd)
for archobj in architectures:
architecture = archobj.arch_string
if architecture == "source":
longarch = architecture
packages = "Sources"
maxsuite = maxsources
else:
longarch = "binary-%s" % architecture
packages = "Packages"
maxsuite = maxpackages
for component in components:
# Process Contents
file = "%s/%s/Contents-%s" % (tree, component, architecture)
storename = "%s/%s_%s_contents_%s" % (Options["TempDir"], suite, component, architecture)
coroutine = genchanges(Options, file + ".diff", storename, file, maxcontents, merged_pdiffs)
pending_tasks.append(coroutine)
file = "%s/%s/%s/%s" % (tree, component, longarch, packages)
storename = "%s/%s_%s_%s" % (Options["TempDir"], suite, component, architecture)
coroutine = genchanges(Options, file + ".diff", storename, file, maxsuite, merged_pdiffs)
pending_tasks.append(coroutine)
asyncio.run(process_pdiff_tasks(pending_tasks, max_parallel))
