Rev 3134: (jam) re-enable the fast _iter_changes versus the null revision. in file:///home/pqm/archives/thelove/bzr/%2Btrunk/

Canonical.com Patch Queue Manager pqm at pqm.ubuntu.com
Thu Dec 20 14:20:17 GMT 2007


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

------------------------------------------------------------
revno: 3134
revision-id:pqm at pqm.ubuntu.com-20071220142004-tw2cffgn9fxq5ra0
parent: pqm at pqm.ubuntu.com-20071220042019-wsij5vgvhgw4qhdt
parent: john at arbash-meinel.com-20071220123406-4ijq232s46ecsutz
committer: Canonical.com Patch Queue Manager <pqm at pqm.ubuntu.com>
branch nick: +trunk
timestamp: Thu 2007-12-20 14:20:04 +0000
message:
  (jam) re-enable the fast _iter_changes versus the null revision.
modified:
  bzrlib/workingtree.py          workingtree.py-20050511021032-29b6ec0a681e02e3
  bzrlib/workingtree_4.py        workingtree_4.py-20070208044105-5fgpc5j3ljlh5q6c-1
    ------------------------------------------------------------
    revno: 2974.2.3
    revision-id:john at arbash-meinel.com-20071220123406-4ijq232s46ecsutz
    parent: john at arbash-meinel.com-20071106235537-7i20o3iwf7cb9alt
    parent: pqm at pqm.ubuntu.com-20071220042019-wsij5vgvhgw4qhdt
    committer: John Arbash Meinel <john at arbash-meinel.com>
    branch nick: fast_diff_versus_empty
    timestamp: Thu 2007-12-20 06:34:06 -0600
    message:
      [merge] bzr.dev 3133
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      bzrlib/tests/test_extract.py   test_extract.py-20061002214140-qdnnm67q1ov6x6pd-1
      bzrlib/tests/test_fetch.py     testfetch.py-20050825090644-f73e07e7dfb1765a
      bzrlib/tests/test_graph.py     test_graph_walker.py-20070525030405-enq4r60hhi9xrujc-1
      bzrlib/tests/test_help.py      test_help.py-20070419045354-6q6rq15j9e2n5fna-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_info.py      test_info.py-20070320150933-m0xxm1g7xi9v6noe-1
      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_memorytree.py test_memorytree.py-20060906023413-4wlkalbdpsxi2r4y-3
      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_msgeditor.py test_msgeditor.py-20051202041359-920315ec6011ee51
      bzrlib/tests/test_osutils.py   test_osutils.py-20051201224856-e48ee24c12182989
      bzrlib/tests/test_pack.py      test_container.py-20070607160755-tr8zc26q18rn0jnb-2
      bzrlib/tests/test_plugins.py   plugins.py-20050622075746-32002b55e5e943e9
      bzrlib/tests/test_reconfigure.py test_reconfigure.py-20070908040425-6ykgo7escxhyrg9p-2
      bzrlib/tests/test_repository.py test_repository.py-20060131075918-65c555b881612f4d
      bzrlib/tests/test_revert.py    test_revert.py-20060828180832-fqb1v6ecpyvnlitj-1
      bzrlib/tests/test_revision.py  testrevision.py-20050804210559-46f5e1eb67b01289
      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_ssh_transport.py test_ssh_transport.p-20070105153201-f7iq2bosvgjbdgc3-1
      bzrlib/tests/test_transform.py test_transaction.py-20060105172520-b3ffb3946550e6c4
      bzrlib/tests/test_transport.py testtransport.py-20050718175618-e5cdb99f4555ddce
      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_workingtree.py testworkingtree.py-20051004024258-b88d0fe8f101d468
      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/workingtree_implementations/test_break_lock.py test_break_lock.py-20060504115740-233e245df546fd42
      bzrlib/tests/workingtree_implementations/test_commit.py test_commit.py-20060421013633-1610ec2331c8190f
      bzrlib/tests/workingtree_implementations/test_remove.py test_remove.py-20070413183901-rvnp85rtc0q0sclp-1
      bzrlib/tests/workingtree_implementations/test_unversion.py test_unversion.py-20060907074408-bygh2y28jz8u0cg7-1
      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/trace.py                trace.py-20050309040759-c8ed824bdcd4748a
      bzrlib/transform.py            transform.py-20060105172343-dd99e54394d91687
      bzrlib/transport/__init__.py   transport.py-20050711165921-4978aa7ce1285ad5
      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/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/ssh.py        ssh.py-20060824042150-0s9787kng6zv1nwq-1
      bzrlib/tree.py                 tree.py-20050309040759-9d5f2496be663e77
      bzrlib/util/configobj/configobj.py configobj.py-20051018184548-06992a2246425e3e
      bzrlib/util/configobj/docs/BSD-LICENSE.txt BSDLICENSE.txt-20051018184548-29b89ff3102657f5
      bzrlib/util/configobj/docs/configobj.txt configobj.txt-20051018184548-4949b5f17e6a19c7
      bzrlib/util/configobj/docs/validate.txt validate.txt-20051018184548-9e0e5ad913e258f5
      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/win32utils.py           win32console.py-20051021033308-123c6c929d04973d
      bzrlib/workingtree.py          workingtree.py-20050511021032-29b6ec0a681e02e3
      bzrlib/workingtree_4.py        workingtree_4.py-20070208044105-5fgpc5j3ljlh5q6c-1
      doc/developers/HACKING.txt     HACKING-20050805200004-2a5dc975d870f78c
      doc/developers/bundles.txt     bundles.txt-20070621030528-qkjnugd7iyud6ow3-1
      doc/developers/index.txt       index.txt-20070508041241-qznziunkg0nffhiw-1
      doc/developers/performance-contributing.txt performancecontribut-20070621063612-ac4zhhagjzkr21qp-1
      doc/en/mini-tutorial/index.txt index.txt-20070813141352-2u64ooqzo0or4hss-2
      doc/en/quick-reference/quick-start-summary.svg quickstartsummary.sv-20070813143223-5i7bgw7w8s7l3ae2-3
      doc/en/user-guide/bug_trackers.txt bug_trackers.txt-20070713223459-khxdlcudraii95uv-1
      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/plugins.txt  plugins.txt-20060314145616-525099a747f3ffdd
      doc/en/user-guide/server.txt   server.txt-20060913044801-h939fvbwzz39gf7g-1
      doc/en/user-guide/setting_up_email.txt setting_up_email.txt-20060314161707-fd242c8944346173
      doc/en/user-guide/shared_repository_layouts.txt shared_repository_la-20070502152030-bagewuqs18ns24o7-1
      doc/en/user-guide/specifying_revisions.txt specifying_revisions.txt-20060314161707-19deb139101bea33
      doc/en/user-guide/using_aliases.txt using_aliases.txt-20060314161707-c21d27fa2939e039
      doc/en/user-guide/version_info.txt version_info.txt-20060921215543-gju6o5xdic8w25np-1
      doc/index.txt                  index.txt-20070813101924-07gd9i9d2jt124bf-1
      setup.py                       setup.py-20050314065409-02f8a0a6e3f9bc70
      tools/doc_generate/autodoc_rstx.py autodoc_rstx.py-20060420024836-3e0d4a526452193c
      tools/rst2html.py              rst2html.py-20060817120932-gn177u8v0008txhu-1
      tools/win32/bzr.iss.cog        bzr.iss.cog-20060622100836-b3yup582rt3y0nvm-5
      bzrlib/help_topics/__init__.py help_topics.py-20060920210027-rnim90q9e0bwxvy4-1
      doc/developers/packrepo.txt    knitpack.txt-20071023074744-q0g5u8me8gk5zbtb-1
      bzrlib/help_topics/en/authentication.txt authentication_conf.-20071104135035-glfv0ri355tyg1nf-1
      bzrlib/help_topics/en/configuration.txt configuration.txt-20060314161707-868350809502af01
      bzrlib/help_topics/en/conflicts.txt conflicts.txt-20070723221841-ns3jvwxdb4okn6fk-1
      doc/en/tutorials/tutorial.txt  tutorial.txt-20050804190939-9dcbba2ef053bc84
      bzrlib/help_topics/en/hooks.txt hooks.txt-20070830033044-xxu2rced13f72dka-1
    ------------------------------------------------------------
    revno: 2974.2.2
    revision-id:john at arbash-meinel.com-20071106235537-7i20o3iwf7cb9alt
    parent: john at arbash-meinel.com-20071106223311-3c3qj42y02pm9cs5
    committer: John Arbash Meinel <john at arbash-meinel.com>
    branch nick: fast_diff_versus_empty
    timestamp: Tue 2007-11-06 17:55:37 -0600
    message:
      Only one test failed, because it was incorrectly succeeding.
      If the repository doesn't support nested trees, then the working tree shouldn't either.
      However, the test was only run based on the null: tree, which used a different code path.
      And that code path could *never* find nested trees.
      This changes it so that we always return False for _directory_is_tree_reference if the
      repository does not support it.
    modified:
      bzrlib/workingtree.py          workingtree.py-20050511021032-29b6ec0a681e02e3
      bzrlib/workingtree_4.py        workingtree_4.py-20070208044105-5fgpc5j3ljlh5q6c-1
    ------------------------------------------------------------
    revno: 2974.2.1
    revision-id:john at arbash-meinel.com-20071106223311-3c3qj42y02pm9cs5
    parent: pqm at pqm.ubuntu.com-20071106124804-ehlreba0lfp3kab9
    committer: John Arbash Meinel <john at arbash-meinel.com>
    branch nick: fast_diff_versus_empty
    timestamp: Tue 2007-11-06 16:33:11 -0600
    message:
      Re-enable the fast path for the no-parent commit case.
    modified:
      bzrlib/workingtree_4.py        workingtree_4.py-20070208044105-5fgpc5j3ljlh5q6c-1
=== modified file 'bzrlib/workingtree.py'
--- a/bzrlib/workingtree.py	2007-12-17 19:21:20 +0000
+++ b/bzrlib/workingtree.py	2007-12-20 12:34:06 +0000
@@ -281,6 +281,8 @@
         else:
             self.case_sensitive = False
 
+        self._setup_directory_is_tree_reference()
+
     branch = property(
         fget=lambda self: self._branch,
         doc="""The branch this WorkingTree is connected to.
@@ -990,7 +992,18 @@
             other_tree.unlock()
         other_tree.bzrdir.retire_bzrdir()
 
-    def _directory_is_tree_reference(self, relpath):
+    def _setup_directory_is_tree_reference(self):
+        if self._branch.repository._format.supports_tree_reference:
+            self._directory_is_tree_reference = \
+                self._directory_may_be_tree_reference
+        else:
+            self._directory_is_tree_reference = \
+                self._directory_is_never_tree_reference
+
+    def _directory_is_never_tree_reference(self, relpath):
+        return False
+
+    def _directory_may_be_tree_reference(self, relpath):
         # as a special case, if a directory contains control files then 
         # it's a tree reference, except that the root of the tree is not
         return relpath and osutils.isdir(self.abspath(relpath) + u"/.bzr")

=== modified file 'bzrlib/workingtree_4.py'
--- a/bzrlib/workingtree_4.py	2007-11-28 23:08:40 +0000
+++ b/bzrlib/workingtree_4.py	2007-12-20 12:34:06 +0000
@@ -151,6 +151,7 @@
         self._dirstate = None
         self._inventory = None
         #-------------
+        self._setup_directory_is_tree_reference()
         self._detect_case_handling()
 
     @needs_tree_write_lock
@@ -1735,10 +1736,7 @@
         # NB: show_status depends on being able to pass in non-versioned files
         # and report them as unknown
         # TODO: handle extra trees in the dirstate.
-        # TODO: handle comparisons as an empty tree as a different special
-        # case? mbp 20070226
-        if (extra_trees or (self.source._revision_id == NULL_REVISION)
-            or specific_files == []):
+        if (extra_trees or specific_files == []):
             # we can't fast-path these cases (yet)
             for f in super(InterDirStateTree, self)._iter_changes(
                 include_unchanged, specific_files, pb, extra_trees,
@@ -1746,7 +1744,8 @@
                 yield f
             return
         parent_ids = self.target.get_parent_ids()
-        assert (self.source._revision_id in parent_ids), \
+        assert (self.source._revision_id in parent_ids
+                or self.source._revision_id == NULL_REVISION), \
                 "revision {%s} is not stored in {%s}, but %s " \
                 "can only be used for trees stored in the dirstate" \
                 % (self.source._revision_id, self.target, self._iter_changes)
@@ -1759,7 +1758,7 @@
                 "Failure: source._revision_id: %s not in target.parent_ids(%s)" % (
                 self.source._revision_id, parent_ids)
             source_index = 1 + parent_ids.index(self.source._revision_id)
-            indices = (source_index,target_index)
+            indices = (source_index, target_index)
         # -- make all specific_files utf8 --
         if specific_files:
             specific_files_utf8 = set()




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