Rev 3459: (jam) Fix bug #235715, in file:///home/pqm/archives/thelove/bzr/%2Btrunk/

Canonical.com Patch Queue Manager pqm at pqm.ubuntu.com
Thu May 29 21:34:51 BST 2008


At file:///home/pqm/archives/thelove/bzr/%2Btrunk/

------------------------------------------------------------
revno: 3459
revision-id:pqm at pqm.ubuntu.com-20080529203427-tp2iw6h86fd1sauh
parent: pqm at pqm.ubuntu.com-20080529155716-0w3kic8lioa63231
parent: john at arbash-meinel.com-20080529194601-r2gpmk536xin9c4a
committer: Canonical.com Patch Queue Manager <pqm at pqm.ubuntu.com>
branch nick: +trunk
timestamp: Thu 2008-05-29 21:34:27 +0100
message:
  (jam) Fix bug #235715,
  	use an empty list for an LCA base if we encounter NULL_REVISION
modified:
  NEWS                           NEWS-20050323055033-4e00b5db738777ff
  bzrlib/merge.py                merge.py-20050513021216-953b65a438527106
  bzrlib/tests/test_merge.py     testmerge.py-20050905070950-c1b5aa49ff911024
    ------------------------------------------------------------
    revno: 3287.6.3.4.2
    revision-id:john at arbash-meinel.com-20080529194601-r2gpmk536xin9c4a
    parent: john at arbash-meinel.com-20080529185731-7ibxuku11bwkrb30
    parent: pqm at pqm.ubuntu.com-20080529101301-6s09lakkylik07vp
    committer: John Arbash Meinel <john at arbash-meinel.com>
    branch nick: lca_with_null_235715
    timestamp: Thu 2008-05-29 14:46:01 -0500
    message:
      merge bzr.dev, put the NEWS entry in the right place
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      bzrlib/xml6.py                 xml6.py-20060823042456-dbaaq4atrche7xy5-1
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      bzrlib/tests/test_graph.py     test_graph_walker.py-20070525030405-enq4r60hhi9xrujc-1
      bzrlib/tests/test_hooks.py     test_hooks.py-20070628030849-89rtsbe5dmer5npz-1
      bzrlib/tests/test_http.py      testhttp.py-20051018020158-b2eef6e867c514d9
      bzrlib/tests/test_http_response.py test_http_response.py-20060628233143-950b2a482a32505d
      bzrlib/tests/test_knit.py      test_knit.py-20051212171302-95d4c00dd5f11f2b
      bzrlib/tests/test_lazy_import.py test_lazy_import.py-20060910203832-f77c54gf3n232za0-2
      bzrlib/tests/test_lockable_files.py test_lockable_files.py-20051225183927-365c7fd99591caf1
      bzrlib/tests/test_log.py       testlog.py-20050728115707-1a514809d7d49309
      bzrlib/tests/test_mail_client.py test_mail_client.py-20070809192806-vuxt3t19srtpjpdn-2
      bzrlib/tests/test_merge.py     testmerge.py-20050905070950-c1b5aa49ff911024
      bzrlib/tests/test_merge_core.py test_merge_core.py-20050824132511-eb99b23a0eec641b
      bzrlib/tests/test_merge_directive.py test_merge_directive-20070228184838-ja62280spt1g7f4x-2
      bzrlib/tests/test_missing.py   test_missing.py-20051212000028-694fa4f658a81f48
      bzrlib/tests/test_osutils.py   test_osutils.py-20051201224856-e48ee24c12182989
      bzrlib/tests/test_osutils_encodings.py test_osutils_encodin-20061226013130-kkp732tpt3lm91vv-1
      bzrlib/tests/test_patches.py   test_patches.py-20051231203844-f4974d20f6aea09c
      bzrlib/tests/test_permissions.py test_permissions.py-20051215004520-ccf475789c80e80c
      bzrlib/tests/test_plugins.py   plugins.py-20050622075746-32002b55e5e943e9
      bzrlib/tests/test_read_bundle.py test_read_bundle.py-20060615211421-ud8cwr1ulgd914zf-1
      bzrlib/tests/test_reconcile.py test_reconcile.py-20060225054842-50aa618584a86f26
      bzrlib/tests/test_reconfigure.py test_reconfigure.py-20070908040425-6ykgo7escxhyrg9p-2
      bzrlib/tests/test_registry.py  test_lazy_factory.py-20060809213415-2gfvqadtvdn0phtg-2
      bzrlib/tests/test_remote.py    test_remote.py-20060720103555-yeeg2x51vn0rbtdp-2
      bzrlib/tests/test_repository.py test_repository.py-20060131075918-65c555b881612f4d
      bzrlib/tests/test_revision.py  testrevision.py-20050804210559-46f5e1eb67b01289
      bzrlib/tests/test_revisiontree.py test_revisiontree.py-20060615095324-aij44ndxbv1h4c9f-1
      bzrlib/tests/test_selftest.py  test_selftest.py-20051202044319-c110a115d8c0456a
      bzrlib/tests/test_smart.py     test_smart.py-20061122024551-ol0l0o0oofsu9b3t-2
      bzrlib/tests/test_smart_transport.py test_ssh_transport.py-20060608202016-c25gvf1ob7ypbus6-2
      bzrlib/tests/test_source.py    test_source.py-20051207061333-a58dea6abecc030d
      bzrlib/tests/test_status.py    test_status.py-20060516190614-fbf6432e4a6e8aa5
      bzrlib/tests/test_store.py     teststore.py-20050826022702-f6caadb647395769
      bzrlib/tests/test_strace.py    test_strace.py-20070323001526-6zquhhw8leb9m6j8-2
      bzrlib/tests/test_subsume.py   test_subsume.py-20060927040024-tsvh4pchajoayymg-1
      bzrlib/tests/test_transform.py test_transaction.py-20060105172520-b3ffb3946550e6c4
      bzrlib/tests/test_transport_implementations.py test_transport_implementations.py-20051227111451-f97c5c7d5c49fce7
      bzrlib/tests/test_upgrade.py   test_upgrade.py-20051004040251-555fe1d2bae1bc71
      bzrlib/tests/test_version_info.py test_version_info.py-20051228204928-2c364e30b702b41b
      bzrlib/tests/test_versionedfile.py test_versionedfile.py-20060222045249-db45c9ed14a1c2e5
      bzrlib/tests/test_weave.py     testknit.py-20050627023648-9833cc5562ffb785
      bzrlib/tests/test_workingtree.py testworkingtree.py-20051004024258-b88d0fe8f101d468
      bzrlib/tests/test_wsgi.py      test_wsgi.py-20061005091552-rz8pva0olkxv0sd8-1
      bzrlib/tests/test_xml.py       test_xml.py-20050905091053-80b45588931a9b35
      bzrlib/tests/transport_util.py transportutil.py-20070525113600-5v2igk89s8fensom-1
      bzrlib/tests/tree_implementations/__init__.py __init__.py-20060717075546-420s7b0bj9hzeowi-2
      bzrlib/tests/tree_implementations/test_inv.py test_inv.py-20070312023226-0cdvk5uwhutis9vg-1
      bzrlib/tests/tree_implementations/test_test_trees.py test_tree_trees.py-20060720091921-3nwi5h21lf06vf5p-1
      bzrlib/tests/treeshape.py      treeshape.py-20051004094628-312a98f0194306a8
      bzrlib/tests/workingtree_implementations/__init__.py __init__.py-20060203003124-b2aa5aca21a8bfad
      bzrlib/tests/workingtree_implementations/test_add_reference.py test_add_reference.p-20061211024451-yo9i1691dgbv1eyn-1
      bzrlib/tests/workingtree_implementations/test_basis_inventory.py test_basis_inventory.py-20051218151655-3650468941091309
      bzrlib/tests/workingtree_implementations/test_commit.py test_commit.py-20060421013633-1610ec2331c8190f
      bzrlib/tests/workingtree_implementations/test_locking.py test_locking.py-20060707151933-tav3o2hpibwi53u4-3
      bzrlib/tests/workingtree_implementations/test_parents.py test_set_parents.py-20060807231740-yicmnlci1mj8smu1-1
      bzrlib/tests/workingtree_implementations/test_set_root_id.py test_set_root_id.py-20061004073850-0r1c7qikmnkb8m9k-1
      bzrlib/tests/workingtree_implementations/test_walkdirs.py test_walkdirs.py-20060731045042-ch366w6dve2m7ro9-1
      bzrlib/tests/workingtree_implementations/test_workingtree.py test_workingtree.py-20060203003124-817757d3e31444fb
      bzrlib/textinv.py              textinv.py-20050411024435-e3898231b7d1897b26c38878
      bzrlib/textui.py               textui.py-20050309040759-5d0cebe09c528e7d
      bzrlib/timestamp.py            timestamp.py-20070306142322-ttbb9oulf3jotljd-1
      bzrlib/trace.py                trace.py-20050309040759-c8ed824bdcd4748a
      bzrlib/transactions.py         transactions.py-20051007010900-f1313d53cf58e223
      bzrlib/transform.py            transform.py-20060105172343-dd99e54394d91687
      bzrlib/transport/__init__.py   transport.py-20050711165921-4978aa7ce1285ad5
      bzrlib/transport/chroot.py     chroot.py-20061011104729-0us9mgm97z378vnt-1
      bzrlib/transport/decorator.py  decorator.py-20060402223305-e913a0f25319ab42
      bzrlib/transport/fakenfs.py    fakenfs.py-20060402223312-0e29c7275aa384dd
      bzrlib/transport/ftp.py        ftp.py-20051116161804-58dc9506548c2a53
      bzrlib/transport/http/__init__.py http_transport.py-20050711212304-506c5fd1059ace96
      bzrlib/transport/http/_pycurl.py pycurlhttp.py-20060110060940-4e2a705911af77a6
      bzrlib/transport/http/_urllib.py _urlgrabber.py-20060113083826-0bbf7d992fbf090c
      bzrlib/transport/http/_urllib2_wrappers.py _urllib2_wrappers.py-20060913231729-ha9ugi48ktx481ao-1
      bzrlib/transport/http/response.py _response.py-20060613154423-a2ci7hd4iw5c7fnt-1
      bzrlib/transport/http/wsgi.py  wsgi.py-20061005091552-rz8pva0olkxv0sd8-2
      bzrlib/transport/local.py      local_transport.py-20050711165921-9b1f142bfe480c24
      bzrlib/transport/memory.py     memory.py-20051016101338-cd008dbdf69f04fc
      bzrlib/transport/remote.py     ssh.py-20060608202016-c25gvf1ob7ypbus6-1
      bzrlib/transport/sftp.py       sftp.py-20051019050329-ab48ce71b7e32dfe
      bzrlib/transport/ssh.py        ssh.py-20060824042150-0s9787kng6zv1nwq-1
      bzrlib/tree.py                 tree.py-20050309040759-9d5f2496be663e77
      bzrlib/treebuilder.py          treebuilder.py-20060907214856-4omn6hf1u7fvrart-1
      bzrlib/tuned_gzip.py           tuned_gzip.py-20060407014720-5aadc518e928e8d2
      bzrlib/ui/__init__.py          ui.py-20050824083933-8cf663c763ba53a9
      bzrlib/uncommit.py             uncommit.py-20050626215513-5ec509fa425b305c
      bzrlib/urlutils.py             urlutils.py-20060502195429-e8a161ecf8fac004
      bzrlib/version.py              version.py-20060816024207-ves6ult9a11taj9t-1
      bzrlib/version_info_formats/__init__.py generate_version_info.py-20051228204928-8358edabcddcd97e
      bzrlib/versionedfile.py        versionedfile.py-20060222045106-5039c71ee3b65490
      bzrlib/weave.py                knit.py-20050627021749-759c29984154256b
      bzrlib/weavefile.py            weavefile.py-20050629135233-2ffe0200f103f6c2
      bzrlib/workingtree.py          workingtree.py-20050511021032-29b6ec0a681e02e3
      bzrlib/workingtree_4.py        workingtree_4.py-20070208044105-5fgpc5j3ljlh5q6c-1
      bzrlib/xml4.py                 xml4.py-20050916091259-db5ab55e7e6ca324
      bzrlib/xml_serializer.py       xml.py-20050309040759-57d51586fdec365d
      doc/default.css                default.css-20060622101119-tgwtdci8z769bjb9-1
      doc/developers/HACKING.txt     HACKING-20050805200004-2a5dc975d870f78c
      doc/developers/authentication-ring.txt authring.txt-20070718200437-q5tdik0ne6lor86d-1
      doc/developers/index.txt       index.txt-20070508041241-qznziunkg0nffhiw-1
      doc/developers/network-protocol.txt networkprotocol.txt-20070903044232-woustorrjbmg5zol-1
      doc/developers/repository.txt  repository.txt-20070709152006-xkhlek456eclha4u-1
      doc/en/user-guide/annotating_changes.txt annotating_changes.t-20071122141511-0knao2lklsdsvb1q-1
      doc/en/user-guide/bazaar_workflows.txt bazaar_workflows.txt-20071114035000-q36a9h57ps06uvnl-1
      doc/en/user-guide/bug_trackers.txt bug_trackers.txt-20070713223459-khxdlcudraii95uv-1
      doc/en/user-guide/configuring_bazaar.txt configuring_bazaar.t-20071128000722-ncxiua259xwbdbg7-1
      doc/en/user-guide/controlling_registration.txt controlling_registra-20071121073725-0corxykv5irjal00-3
      doc/en/user-guide/core_concepts.txt core_concepts.txt-20071114035000-q36a9h57ps06uvnl-2
      doc/en/user-guide/distributed_intro.txt distributed_intro.tx-20071123154453-dk2mjhrg1vpjm5w2-2
      doc/en/user-guide/hooks.txt    hooks.txt-20070829200551-7nr6e5a1io6x78uf-1
      doc/en/user-guide/http_smart_server.txt fastcgi.txt-20061005091552-rz8pva0olkxv0sd8-3
      doc/en/user-guide/index.txt    index.txt-20060622101119-tgwtdci8z769bjb9-2
      doc/en/user-guide/installing_bazaar.txt installing_bazaar.tx-20071114035000-q36a9h57ps06uvnl-4
      doc/en/user-guide/introducing_bazaar.txt introducing_bazaar.t-20071114035000-q36a9h57ps06uvnl-5
      doc/en/user-guide/partner_intro.txt partner_workflow.txt-20071122141511-0knao2lklsdsvb1q-4
      doc/en/user-guide/releasing_a_project.txt releasing_a_project.-20071121073725-0corxykv5irjal00-5
      doc/en/user-guide/sending_changes.txt sending_changes.txt-20071123154453-dk2mjhrg1vpjm5w2-4
      doc/en/user-guide/undoing_mistakes.txt undoing_mistakes.txt-20071121092300-8fyacngt1w98e5mp-1
      doc/index.txt                  index.txt-20070813101924-07gd9i9d2jt124bf-1
      bzrlib/tests/test_revisionspec.py testrevisionnamespaces.py-20050711050225-8b4af89e6b1efe84
      bzrlib/xml8.py                 xml5.py-20050907032657-aac8f960815b66b1
      doc/en/user-guide/part2_intro.txt best_practice_intro.-20071123154453-dk2mjhrg1vpjm5w2-1
    ------------------------------------------------------------
    revno: 3287.6.3.4.1
    revision-id:john at arbash-meinel.com-20080529185731-7ibxuku11bwkrb30
    parent: pqm at pqm.ubuntu.com-20080320092314-y4i0bpy37v8i1mc5
    committer: John Arbash Meinel <john at arbash-meinel.com>
    branch nick: lca_with_null_235715
    timestamp: Thu 2008-05-29 13:57:31 -0500
    message:
      Fix bug #235715 by using the empty list as the text for a base of NULL_REVISION.
      
      Add a test for this case as well.
    modified:
      NEWS                           NEWS-20050323055033-4e00b5db738777ff
      bzrlib/merge.py                merge.py-20050513021216-953b65a438527106
      bzrlib/tests/test_merge.py     testmerge.py-20050905070950-c1b5aa49ff911024
=== modified file 'NEWS'
--- a/NEWS	2008-05-29 15:14:45 +0000
+++ b/NEWS	2008-05-29 20:34:27 +0000
@@ -43,6 +43,9 @@
 
   BUGFIXES:
 
+    * ``bzr merge --lca`` should handle when two revisions have no common
+      ancestor other than NULL_REVISION. (John Arbash Meinel, #235715)
+
     * ``bzr push`` with both ``--overwrite`` and ``-r NNN`` options no longer
       fails.  (Andrew Bennetts, #234229)
       

=== modified file 'bzrlib/merge.py'
--- a/bzrlib/merge.py	2008-05-23 21:45:50 +0000
+++ b/bzrlib/merge.py	2008-05-29 19:46:01 +0000
@@ -1434,7 +1434,10 @@
         _PlanMergeBase.__init__(self, a_rev, b_rev, vf)
         self.lcas = graph.find_lca(a_rev, b_rev)
         for lca in self.lcas:
-            lca_lines = self.vf.get_lines(lca)
+            if _mod_revision.is_null(lca):
+                lca_lines = []
+            else:
+                lca_lines = self.vf.get_lines(lca)
             matcher = patiencediff.PatienceSequenceMatcher(None, self.lines_a,
                                                            lca_lines)
             blocks = list(matcher.get_matching_blocks())

=== modified file 'bzrlib/tests/test_merge.py'
--- a/bzrlib/tests/test_merge.py	2008-04-07 04:54:52 +0000
+++ b/bzrlib/tests/test_merge.py	2008-05-29 19:46:01 +0000
@@ -644,6 +644,15 @@
                           ('conflicted-b', 'e\n'),
                          ], list(plan))
 
+    def test_plan_lca_merge_with_null(self):
+        self.add_version('A', [], 'ab')
+        self.add_version('B', [], 'bc')
+        plan = self.plan_merge_vf.plan_lca_merge('A', 'B')
+        self.assertEqual([('new-a', 'a\n'),
+                          ('unchanged', 'b\n'),
+                          ('new-b', 'c\n'),
+                         ], list(plan))
+
 
 class TestMergeImplementation(object):
 




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