print """Usage: dak external-overrides COMMAND
Modify external overrides.
- -h, --help show this help and exit.
+ -h, --help show this help and exit.
+ -f, --force allow processing of untouchable suites.
Commands can use a long or abbreviated form:
- remove KEY remove external overrides for KEY
- rm KEY
+ import SUITE COMPONENT KEY import external overrides for KEY
+ i SUITE COMPONENT KEY NOTE: This will replace existing overrides.
- import KEY import external overrides for KEY
- i KEY NOTE: This will replace existing overrides.
-
- show-key KEY show external overrides for KEY
- s-k KEY
-
- show-package PACKAGE show external overrides for PACKAGE
- s-p PACKAGE
+ copy FROM TO copy external overrides from suite FROM to TO
+ NOTE: Needs --force for untouchable TO
For the 'import' command, external overrides are read from standard input and
should be given as lines of the form 'PACKAGE KEY VALUE'.
#############################################################################
-def external_overrides_import(key, file):
+class ExternalOverrideReader(object):
+ """
+ Parses an external override file
+ """
+ def __init__(self, fh):
+ self.fh = fh
+ self.package = None
+ self.key = None
+ self.value = []
+
+ def _flush(self):
+ """
+ Return the parsed line that is being built and start parsing a new line
+ """
+ res = self.package, self.key, "\n".join(self.value)
+ self.package = self.key = None
+ self.value = []
+ return res
+
+ def __iter__(self):
+ """
+ returns a (package, key, value) tuple for every entry in the external
+ override file
+ """
+ for line in self.fh:
+ if not line: continue
+ if line[0] in (" ", "\t"):
+ # Continuation line
+ self.value.append(line.rstrip())
+ else:
+ if self.package is not None:
+ yield self._flush()
+
+ # New line
+ (self.package, self.key, value) = line.rstrip().split(None, 2)
+ self.value = [value]
+
+ if self.package is not None:
+ yield self._flush()
+
+#############################################################################
+
+def external_overrides_copy(from_suite_name, to_suite_name, force = False):
session = DBConn().session()
- session.query(ExternalOverride).filter_by(key=key).delete()
+ from_suite = get_suite(from_suite_name, session)
+ to_suite = get_suite(to_suite_name, session)
+
+ if from_suite is None:
+ print "E: source %s not found." % from_suite_name
+ session.rollback()
+ return False
+ if to_suite is None:
+ print "E: target %s not found." % to_suite_name
+ session.rollback()
+ return False
+
+ if not force and to_suite.untouchable:
+ print "E: refusing to touch untouchable suite %s (not forced)." % to_suite_name
+ session.rollback()
+ return False
+
+ session.query(ExternalOverride).filter_by(suite=to_suite).delete()
+ session.execute("""
+ INSERT INTO external_overrides (suite, component, package, key, value)
+ SELECT :to_suite, component, package, key, value FROM external_overrides WHERE suite = :from_suite
+ """, { 'from_suite': from_suite.suite_id, 'to_suite': to_suite.suite_id })
+
+ session.commit()
- for line in file:
- (package, key, value) = line.strip().split(None, 2)
+def external_overrides_import(suite_name, component_name, key, file, force = False):
+ session = DBConn().session()
+
+ suite = get_suite(suite_name, session)
+ component = get_component(component_name, session)
+
+ if not force and suite.untouchable:
+ print "E: refusing to touch untouchable suite %s (not forced)." % suite_name
+ session.rollback()
+ return False
+
+ session.query(ExternalOverride).filter_by(suite=suite,component=component,key=key).delete()
+
+ for package, key, value in ExternalOverrideReader(file):
eo = ExternalOverride()
+ eo.suite = suite
+ eo.component = component
eo.package = package
eo.key = key
eo.value = value
def main():
cnf = Config()
- Arguments = [('h',"help","External-Overrides::Options::Help")]
+ Arguments = [('h',"help","External-Overrides::Options::Help"),
+ ('f','force','External-Overrides::Options::Force')]
- (command, arg) = apt_pkg.ParseCommandLine(cnf.Cnf, Arguments, sys.argv)
+ args = apt_pkg.parse_commandline(cnf.Cnf, Arguments, sys.argv)
try:
- Options = cnf.SubTree("External-Overrides::Options")
+ Options = cnf.subtree("External-Overrides::Options")
except KeyError:
Options = {}
if Options.has_key("Help"):
usage()
- logger = daklog.Logger(cnf, 'external-overrides')
+ force = False
+ if Options.has_key("Force") and Options["Force"]:
+ force = True
+
+ logger = daklog.Logger('external-overrides')
+ command = args[0]
if command in ('import', 'i'):
- external_overrides_import(arg, sys.stdin)
+ external_overrides_import(args[1], args[2], args[3], sys.stdin, force)
+ elif command in ('copy', 'c'):
+ external_overrides_copy(args[1], args[2], force)
else:
print "E: Unknown commands."