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  • Committer: Robert Collins
  • Date: 2008-01-06 20:04:22 UTC
  • mto: (3221.11.1 StackableBranch)
  • mto: This revision was merged to the branch mainline in revision 3226.
  • Revision ID: robertc@robertcollins.net-20080106200422-x8yz6cxotlzltvwp
The bzrdir format registry now accepts an ``alias`` keyword to
register_metadir, used to indicate that a format name is an alias for
some other format and thus should not be reported when describing the
format. (Robert Collins)
-------------- This line and the fmllowing will be ignored --------------

modified:
  NEWS
  bzrlib/bzrdir.py
  bzrlib/info.py
  bzrlib/tests/test_bzrdir.py
  bzrlib/tests/test_info.py

=== modified file 'NEWS'
--- a/NEWS      2008-01-02 22:30:46 +0000
+++ b/NEWS      2008-01-06 20:04:15 +0000
@@ -135,6 +135,11 @@
     * Patience Diff now supports arbitrary python objects, as long as they
       support ``hash()``. (John Arbash Meinel)
 
+    * The bzrdir format registry now accepts an ``alias`` keyword to
+      register_metadir, used to indicate that a format name is an alias for
+      some other format and thus should not be reported when describing the
+      format. (Robert Collins)
+
   API BREAKS:
 
   TESTING:

=== modified file 'bzrlib/bzrdir.py'
--- a/bzrlib/bzrdir.py  2008-01-02 22:30:46 +0000
+++ b/bzrlib/bzrdir.py  2008-01-06 19:41:29 +0000
@@ -2447,12 +2447,22 @@
     e.g. BzrDirMeta1 with weave repository.  Also, it's more user-oriented.
     """
 
+    def __init__(self):
+        """Create a BzrDirFormatRegistry."""
+        self._aliases = set()
+        super(BzrDirFormatRegistry, self).__init__()
+
+    def aliases(self):
+        """Return a set of the format names which are aliases."""
+        return frozenset(self._aliases)
+
     def register_metadir(self, key,
              repository_format, help, native=True, deprecated=False,
              branch_format=None,
              tree_format=None,
              hidden=False,
-             experimental=False):
+             experimental=False,
+             alias=False):
         """Register a metadir subformat.
 
         These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
@@ -2491,10 +2501,10 @@
                 bd.repository_format = _load(repository_format)
             return bd
         self.register(key, helper, help, native, deprecated, hidden,
-            experimental)
+            experimental, alias)
 
     def register(self, key, factory, help, native=True, deprecated=False,
-                 hidden=False, experimental=False):
+                 hidden=False, experimental=False, alias=False):
         """Register a BzrDirFormat factory.
         
         The factory must be a callable that takes one parameter: the key.
@@ -2505,11 +2515,15 @@
         """
         registry.Registry.register(self, key, factory, help,
             BzrDirFormatInfo(native, deprecated, hidden, experimental))
+        if alias:
+            self._aliases.add(key)
 
     def register_lazy(self, key, module_name, member_name, help, native=True,
-                      deprecated=False, hidden=False, experimental=False):
+        deprecated=False, hidden=False, experimental=False, alias=False):
         registry.Registry.register_lazy(self, key, module_name, member_name,
             help, BzrDirFormatInfo(native, deprecated, hidden, experimental))
+        if alias:
+            self._aliases.add(key)
 
     def set_default(self, key):
         """Set the 'default' key to be a clone of the supplied key.
@@ -2518,6 +2532,7 @@
         """
         registry.Registry.register(self, 'default', self.get(key),
             self.get_help(key), info=self.get_info(key))
+        self._aliases.add('default')
 
     def set_default_repository(self, key):
         """Set the FormatRegistry default and Repository default.
@@ -2670,6 +2685,7 @@
     tree_format='bzrlib.workingtree.WorkingTreeFormat4',
     hidden=False,
     )
+# The following two formats should always just be aliases.
 format_registry.register_metadir('development',
     'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0',
     help='Current development format. Can convert data to and from pack-0.92 '
@@ -2681,6 +2697,7 @@
     branch_format='bzrlib.branch.BzrBranchFormat6',
     tree_format='bzrlib.workingtree.WorkingTreeFormat4',
     experimental=True,
+    alias=True,
     )
 format_registry.register_metadir('development-subtree',
     'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0Subtree',
@@ -2693,7 +2710,9 @@
     branch_format='bzrlib.branch.BzrBranchFormat6',
     tree_format='bzrlib.workingtree.WorkingTreeFormat4',
     experimental=True,
+    alias=True,
     )
+# And the development formats which the will have aliased one of follow:
 format_registry.register_metadir('development0',
     'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0',
     help='Trivial rename of pack-0.92 to provide a development format. '

=== modified file 'bzrlib/info.py'
--- a/bzrlib/info.py    2007-11-06 09:00:25 +0000
+++ b/bzrlib/info.py    2008-01-06 20:01:30 +0000
@@ -440,7 +440,9 @@
         tree.bzrdir.root_transport.base):
         branch = None
         repository = None
-    for key in bzrdir.format_registry.keys():
+    non_aliases = set(bzrdir.format_registry.keys())
+    non_aliases.difference_update(bzrdir.format_registry.aliases())
+    for key in non_aliases:
         format = bzrdir.format_registry.make_bzrdir(key)
         if isinstance(format, bzrdir.BzrDirMetaFormat1):
             if (tree and format.workingtree_format !=
@@ -457,11 +459,12 @@
         candidates.append(key)
     if len(candidates) == 0:
         return 'unnamed'
-    new_candidates = [c for c in candidates if c != 'default']
-    if len(new_candidates) > 0:
-        candidates = new_candidates
+    candidates.sort()
     new_candidates = [c for c in candidates if not
         bzrdir.format_registry.get_info(c).hidden]
     if len(new_candidates) > 0:
+        # If there are any non-hidden formats that match, only return those to
+        # avoid listing hidden formats except when only a hidden format will
+        # do.
         candidates = new_candidates
     return ' or '.join(candidates)

=== modified file 'bzrlib/tests/test_bzrdir.py'
--- a/bzrlib/tests/test_bzrdir.py       2007-12-21 20:32:22 +0000
+++ b/bzrlib/tests/test_bzrdir.py       2008-01-06 19:45:00 +0000
@@ -170,6 +170,16 @@
         finally:
             bzrdir.format_registry.set_default_repository(old_default)
 
+    def test_aliases(self):
+        a_registry = bzrdir.BzrDirFormatRegistry()
+        a_registry.register('weave', bzrdir.BzrDirFormat6,
+            'Pre-0.8 format.  Slower and does not support checkouts or shared'
+            ' repositories', deprecated=True)
+        a_registry.register('weavealias', bzrdir.BzrDirFormat6,
+            'Pre-0.8 format.  Slower and does not support checkouts or shared'
+            ' repositories', deprecated=True, alias=True)
+        self.assertEqual(frozenset(['weavealias']), a_registry.aliases())
+    
 
 class SampleBranch(bzrlib.branch.Branch):
     """A dummy branch for guess what, dummy use."""

=== modified file 'bzrlib/tests/test_info.py'
--- a/bzrlib/tests/test_info.py 2007-11-26 13:55:51 +0000
+++ b/bzrlib/tests/test_info.py 2008-01-06 20:02:10 +0000
@@ -126,16 +126,22 @@
 
     def test_describe_tree_format(self):
         for key in bzrdir.format_registry.keys():
-            if key == 'default':
+            if key in bzrdir.format_registry.aliases():
                 continue
             self.assertTreeDescription(key)
 
     def test_describe_checkout_format(self):
         for key in bzrdir.format_registry.keys():
-            if key in ('default', 'weave', 'experimental'):
-                continue
-            if key.startswith('experimental-'):
-                # these are typically hidden or aliases for other formats
+            if key in bzrdir.format_registry.aliases():
+                # Aliases will not describe correctly in the UI because the
+                # real format is found.
+                continue
+            # legacy: weave does not support checkouts
+            if key == 'weave':
+                continue
+            if bzrdir.format_registry.get_info(key).experimental:
+                # We don't require that experimental formats support checkouts
+                # or describe correctly in the UI.
                 continue
             expected = None
             if key in ('dirstate', 'dirstate-tags', 'dirstate-with-subtree',
@@ -149,7 +155,7 @@
 
     def test_describe_branch_format(self):
         for key in bzrdir.format_registry.keys():
-            if key == 'default':
+            if key in bzrdir.format_registry.aliases():
                 continue
             expected = None
             if key in ('dirstate', 'knit'):
@@ -158,7 +164,7 @@
 
     def test_describe_repo_format(self):
         for key in bzrdir.format_registry.keys():
-            if key == 'default':
+            if key in bzrdir.format_registry.aliases():
                 continue
             expected = None
             if key in ('dirstate', 'knit', 'dirstate-tags'):

Show diffs side-by-side

added added

removed removed

Lines of Context:
1
 
***************
2
 
*** 738,777 ****
3
 
          revisions = []
4
 
          pb = ProgressBar(show_spinner=True)
5
 
          total = len(revision_ids)
6
 
-         for i,f in enumerate(revision_ids):
7
 
-             revisions.append(other.get_revision(f))
8
 
-             pb.update('retrieving revisions', i+1, total)
9
 
-         pb.clear()
10
 
-         
11
 
-         needed_texts = sets.Set()
12
 
13
 
-         for index, rev in enumerate(revisions):
14
 
-             pb.update('Scanning revisions for file contents', index, total)
15
 
-             inv = other.get_inventory(str(rev.inventory_id))
16
 
-             for key, entry in inv.iter_entries():
17
 
-                 if entry.text_id is None:
18
 
-                     continue
19
 
-                 if entry.text_id not in self.text_store:
20
 
-                     needed_texts.add(entry.text_id)
21
 
-         pb.clear()
22
 
-         count = self.text_store.copy_multi(other.text_store, needed_texts, pb,
23
 
-                                            "Copying file contents")
24
 
-         pb.clear()
25
 
-         print "Added %d file contents." % count 
26
 
-         inventory_ids = [ f.inventory_id for f in revisions ]
27
 
-         count = self.inventory_store.copy_multi(other.inventory_store, 
28
 
-                                                 inventory_ids, pb,
29
 
-                                                 "Copying inventories")
30
 
-         pb.clear()
31
 
-         print "Added %d inventories." % count 
32
 
-         revision_ids = [ f.revision_id for f in revisions]
33
 
-         count = self.revision_store.copy_multi(other.revision_store, 
34
 
-                                                revision_ids, pb, 
35
 
-                                                "Copying revisions")
36
 
-         pb.clear()
37
 
-         for revision_id in revision_ids:
38
 
-             self.append_revision(revision_id)
39
 
-         print "Added %d revisions." % count
40
 
                      
41
 
          
42
 
      def commit(self, *args, **kw):
43
 
--- 738,799 ----
44
 
          revisions = []
45
 
          pb = ProgressBar(show_spinner=True)
46
 
          total = len(revision_ids)
47
 
+         tmp_dir = tempfile.mkdtemp(prefix = "temp-stores-")
48
 
+         try:
49
 
+             tmp_rev_dir = os.path.join(tmp_dir, "revisions")
50
 
+             os.mkdir(tmp_rev_dir)
51
 
+             tmp_revs = ImmutableStore(tmp_rev_dir)
52
 
+             count = tmp_revs.copy_multi(other.revision_store, revision_ids, pb, 
53
 
+                                         "Caching revisions")
54
 
+             #EVIL! Substituting a local partial store for a complete one
55
 
+             #This is a significant performance boost when complete one is
56
 
+             #a remote store. 
57
 
+             other.revision_store = tmp_revs
58
 
+             pb.clear()
59
 
60
 
+             for i,f in enumerate(revision_ids):
61
 
+                 revisions.append(other.get_revision(f))
62
 
+                 pb.update("Parsing revisions", i, len(revision_ids))
63
 
+             
64
 
+             needed_texts = sets.Set()
65
 
66
 
+             #Again with the EVIL.
67
 
+             tmp_rev_dir = os.path.join(tmp_dir, "inventories")
68
 
+             os.mkdir(tmp_rev_dir)
69
 
+             inv_ids = [r.inventory_id for r in revisions]
70
 
+             tmp_revs = ImmutableStore(tmp_rev_dir)
71
 
+             count = tmp_revs.copy_multi(other.inventory_store, inv_ids, pb, 
72
 
+                                         "Caching inventories")
73
 
+             other.inventory_store = tmp_revs
74
 
+             pb.clear()
75
 
+             for index, rev in enumerate(revisions):
76
 
+                 pb.update('Scanning revisions for file contents', index, total)
77
 
+                 inv = other.get_inventory(str(rev.inventory_id))
78
 
+                 for key, entry in inv.iter_entries():
79
 
+                     if entry.text_id is None:
80
 
+                         continue
81
 
+                     if entry.text_id not in self.text_store:
82
 
+                         needed_texts.add(entry.text_id)
83
 
+             pb.clear()
84
 
+             count = self.text_store.copy_multi(other.text_store, needed_texts, pb,
85
 
+                                                "Copying file contents")
86
 
+             pb.clear()
87
 
+             print "Added %d file contents." % count 
88
 
+             inventory_ids = [ f.inventory_id for f in revisions ]
89
 
+             count = self.inventory_store.copy_multi(other.inventory_store, 
90
 
+                                                     inventory_ids, pb,
91
 
+                                                     "Copying inventories")
92
 
+             pb.clear()
93
 
+             print "Added %d inventories." % count 
94
 
+             revision_ids = [ f.revision_id for f in revisions]
95
 
+             count = self.revision_store.copy_multi(other.revision_store, 
96
 
+                                                    revision_ids)
97
 
+             pb.clear()
98
 
+             for revision_id in revision_ids:
99
 
+                 self.append_revision(revision_id)
100
 
+             print "Added %d revisions." % count
101
 
+         finally:
102
 
+             shutil.rmtree(tmp_dir)
103
 
                      
104
 
          
105
 
      def commit(self, *args, **kw):