New script, lp-set-dup, allows marking a bug and all its dups as a

duplicate of a new main bug.

debian/changelog

@@ -4,6 +4,8 @@ ubuntu-dev-tools (0.58) UNRELEASED; urgency=low
   * Fix a bunch of hyphen-used-as-minus-sign lintian informational tags.
   * Don't repeat Section in the binary package's control chunk (pleases
     lintian).
+  * New script, lp-set-dup, allows marking a bug and all its dups as a
+    duplicate of a new main bug.
 
  -- Jonathan Davies <jpds@ubuntu.com>  Sat, 17 Jan 2009 21:04:55 +0000
 

lp-set-dup

@@ -0,0 +1,92 @@
+#!/usr/bin/python
+# -*- coding: UTF-8 -*-
+"""Sets the "duplicate of" bug of a bug and its dups."""
+
+# Copyright (c) 2009 Canonical Ltd.
+#
+# lp-set-dup is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2, or (at your option) any
+# later version.
+#
+# lp-set-dup is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with lp-set-dup; see the file COPYING.  If not, write to the Free
+# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+#
+# Authors:
+#  Loïc Minier <lool@dooz.org>
+
+import os, sys
+from optparse import OptionParser
+
+from ubuntutools import common
+
+def die(message):
+    print >> sys.stderr, "Fatal: " + message
+    sys.exit(1)
+
+if __name__ == '__main__':
+    usage = "Usage: %prog [-f] <new main bug> <bug to dup> [<bug to dup>...]"
+    optParser = OptionParser(usage)
+    optParser.add_option("-f", action = "store_true",
+        dest = "force", default = False,
+        help = "Skip confirmation prompt")
+
+    (options, args) = optParser.parse_args()
+
+    if len(args) < 2:
+        optParser.error("Need at least a new main bug and a bug to dup")
+
+    launchpad = None
+    try:
+        print "Setting up Launchpad"
+        launchpad = common.get_launchpad("ubuntu-dev-tools")
+        print "Launchpad setup complete"
+    except ImportError:
+        suggestion = "check whether python-launchpadlib is installed"
+        die("Couldn't setup Launchpad for the ubuntu-dev-tools consumer; check whether python-launchpadlib is installed")
+    except IOError:
+        suggestion = "you might want to \"manage-credentials create --consumer ubuntu-dev-tools --level 2\""
+    if launchpad is None:
+        die("Couldn't setup Launchpad for the ubuntu-dev-tools consumer; %s" (suggestion, ))
+
+    # check that the new main bug isn't a duplicate
+    new_main_bug = launchpad.bugs[args[0]]
+    new_main_dup_of = new_main_bug.duplicate_of
+    if new_main_dup_of is not None:
+        prog = os.path.basename(sys.argv[0])
+        die("New main bug %s is a duplicate of %s; try %s %s %s"  % (new_main_bug.id, new_main_dup_of.id, prog, new_main_dup_of.id, " ".join(args[1:])))
+
+    # build list of bugs to process, first the dups then the bug
+    bugs_to_process = []
+    for b in args[1:]:
+        print "Processing %s" % (b)
+        bug = launchpad.bugs[b]
+        dups = bug.duplicates
+        if dups is not None:
+            bugs_to_process.extend(dups)
+            print "Found %i dups for %s" % (len(dups), b)
+        bugs_to_process.append(bug)
+
+    # process dups first, then their main bug
+    print "Would set the following bugs as duplicates of %s: %s" % (new_main_bug.id, " ".join([str(b.id) for b in bugs_to_process]))
+
+    if not options.force:
+        try:
+            s = raw_input("Proceed [y/N]?")
+        except:
+            die("Aborted")
+        if s.lower() not in ("y", "yes"):
+            die("User aborted")
+
+    for bug in bugs_to_process:
+        print "Marking bug %s as a duplicate of %s" % (bug.id, new_main_bug.id)
+        bug.duplicate_of = new_main_bug
+        bug.lp_save()
+

setup.py

@@ -24,6 +24,7 @@ setup(name='ubuntu-dev-tools',
                'get-build-deps',
                'grab-attachments',
                'hugdaylist',
+               'lp-set-dup',
                'manage-credentials',
                'massfile',
                'mk-sbuild-lv',