merge from mainline

diff --cc config/debian/extensions.py
index 851360ff553f5f54c1a9a32de9c532423165a614,d586d4d0014f50d17707685681a9cc6cb30757f0..acc1947bfa69f510fb7380aee6ba2b49208d4b14
--- 1/config/debian/extensions.py
--- 2/config/debian/extensions.py
+++ b/config/debian/extensions.py
@@@ -10,80 -6,19 +10,88 @@@ replaced_funcs = {
  replace_funcs = {}
  def replace_dak_function(module,name):
      def x(f):
-         replace_funcs["%s:%s" % (module,name)] = f
+         def myfunc(*a,**kw):
+           global replaced_funcs
+             f(replaced_funcs[name], *a, **kw)
+       myfunc.__name__ = f.__name__
+       myfunc.__doc__ = f.__doc__
+       myfunc.__dict__.update(f.__dict__)
+ 
+         replace_funcs["%s:%s" % (module,name)] = myfunc
+       return f
      return x
  
 +def check_transition():
 +    changes = dak_module.changes
 +    reject = dak_module.reject
 +    Cnf = dak_module.Cnf
 +
 +    sourcepkg = changes["source"]
 +
 +    # No sourceful upload -> no need to do anything else, direct return
 +    if "source" not in changes["architecture"]:
 +        return
 +
 +    # Also only check if there is a file defined (and existant) with 
 +    # checks.
 +    transpath = Cnf.get("Dinstall::Reject::ReleaseTransitions", "")
 +    if transpath == "" or not os.path.exists(transpath):
 +        return
 +    
 +    # Parse the yaml file
 +    sourcefile = file(transpath, 'r')
 +    sourcecontent = sourcefile.read()
 +    try:
 +        transitions = syck.load(sourcecontent)
 +    except syck.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 current is not None:
 +            compare = apt_pkg.VersionCompare(current, expected)
 +
 +        if current is 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.
 +
 +              rejectmsg = "%s: part of the %s transition.\n\n" % (
 +                      sourcepkg, trans)
 +
 +              if current is not None:
 +                  currentlymsg = "at version %s" % (current)
 +              else:
 +                  currentlymsg = "not present in testing"
 +
 +              rejectmsg += "Transition description: %s\n\n" % (t["reason"])
 +
 +              rejectmsg += "\n".join(textwrap.wrap("""Your package
 +is part of a testing transition designed to get %s migrated (it is
 +currently %s, we need version %s).  This transition is managed by the
 +Release Team, and %s is the Release-Team member responsible for it.
 +Please mail debian-release@lists.debian.org or contact %s directly if you
 +need further assistance."""
 +                      % (source, currentlymsg, expected,t["rm"], t["rm"])))
 +
 +                reject(rejectmsg + "\n")
 +                return
 +
  @replace_dak_function("process-unchecked", "check_signed_by_key")
- def check_signed_by_key():
+ def check_signed_by_key(oldfn):
      changes = dak_module.changes
      reject = dak_module.reject
  
@@@ -98,10 -33,8 +106,10 @@@
            #     blocked until Debian's dpkg has revved past those version
            #     numbers
  
-     replaced_funcs["check_signed_by_key"]()
+     oldfn()
  
 +    check_transition()
 +
  def init(name):
      global replaced_funcs