requestsync: Use debian_bundle.changelog.Version for version comparison in debian_changelog. Fixes cases where the current ubuntu version is not in debian anymore, e.g. p7zip-rar 4.55~ds.1-2

debian/changelog

@@ -11,8 +11,10 @@ ubuntu-dev-tools (0.26) UNRELEASED; urgency=low
       When interaction is not required, ask the user if she wants to edit.
       (LP: #190351)
     * Exit, if versions in Ubuntu and Debian are the same already.
+    * Use debian_bundle.changelog.Version for version comparison in
+      debian_changelog.
 
- -- Daniel Hahler <ubuntu@thequod.de>  Sat, 09 Feb 2008 02:23:44 +0100
+ -- Daniel Hahler <ubuntu@thequod.de>  Sat, 09 Feb 2008 18:27:06 +0100
 
 ubuntu-dev-tools (0.25) hardy; urgency=low
 

requestsync

@@ -10,6 +10,7 @@
 # License: GPLv2, see /usr/share/common-licenses/GPL
 
 import os, sys, urllib, subprocess, getopt
+from debian_bundle.changelog import Version
 
 def cur_version_component(sourcepkg, release):
     '''Determine current package version in ubuntu.'''
@@ -54,13 +55,17 @@ def debian_changelog(sourcepkg, component, version):
     '''Return the Debian changelog from the latest up to the given version
     (exclusive).'''
 
+    base_version = Version(version)
+
     ch = ''
     subdir = sourcepkg[0]
     if sourcepkg.startswith('lib'):
         subdir = 'lib%s' % sourcepkg[3]
     for l in urllib.urlopen('http://packages.debian.org/changelogs/pool/%s/%s/%s/current/changelog.txt' % (component, subdir, sourcepkg)):
-        if l.startswith(sourcepkg) and l.find(version + ')') > 0:
-            break
+        if l.startswith(sourcepkg):
+            ch_version = l[ l.find("(")+1 : l.find(")") ]
+            if Version(ch_version) <= base_version:
+                break
         ch += l
 
     return ch