+################################################################################
+################################################################################
+
+# We reject packages if the release team defined a transition for them
+def check_transition(sourcepkg):
+ # No sourceful upload -> no need to do anything else, direct return
+ if changes["architecture"].has_key("source"):
+ return
+
+ # Also only check if there is a file defined (and existant) with checks. It's a little bit
+ # specific to Debian, not much use for others, so return early there.
+ if not Cnf.has_key("Dinstall::Reject::ReleaseTransitions") or not os.path.exists("%s" % (Cnf["Dinstall::Reject::ReleaseTransitions"])):
+ return
+
+ # Parse the yaml file
+ sourcefile = file(Cnf["Dinstall::Reject::ReleaseTransitions"], 'r')
+ sourcecontent = sourcefile.read()
+ try:
+ transitions = syck.load(sourcecontent)
+ except error, msg:
+ # This shouldn't happen, there is a wrapper to edit the file which checks it, but we prefer
+ # to be safe than ending up rejecting everything.
+ daklib.utils.warn("Not checking transitions, the transitions file is broken: %s." % (msg))
+ return
+
+ # Now look through all defined transitions
+ for trans in transitions:
+ t = transitions[trans]
+ source = t["source"]
+ expected = t["new"]
+
+ # Will be None if nothing is in testing.
+ current = daklib.database.get_suite_version(source, "testing")
+ if not current == None:
+ compare = apt_pkg.VersionCompare(current, expected)
+
+ if current == None or compare < 0:
+ # This is still valid, the current version in testing is older than
+ # the new version we wait for, or there is none in testing yet
+
+ # Check if the source we look at is affected by this.
+ if sourcepkg in t['packages']:
+ # The source is affected, lets reject it.
+ reject("""%s: part of the %s transition.
+
+Your package is part of a testing transition designed to get %s migrated
+(it currently is at version %s, we need version %s)
+
+Transition description: %s
+
+This transition is managed by the Release Team, and %s
+is the Release-Team member responsible for it.
+Please contact %s or debian-release@lists.debian.org if you
+need further assistance.
+ """ % (sourcepkg, trans, source, current, expected, t["reason"], t["rm"], t["rm"]))
+ return 0
+