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Viewing changes to bzrlib/workingtree.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2010-02-17 08:59:19 UTC
  • mfrom: (5037.2.1 doc)
  • Revision ID: pqm@pqm.ubuntu.com-20100217085919-23vc62bvq8848q65
(mbp) rest markup fixes

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bzrlib/workingtree.py
101
101
from bzrlib.filters import filtered_input_file
102
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from bzrlib.trace import mutter, note
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from bzrlib.transport.local import LocalTransport
104
 
from bzrlib.progress import DummyProgress, ProgressPhase
 
104
from bzrlib.progress import ProgressPhase
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105
from bzrlib.revision import CURRENT_REVISION
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from bzrlib.rio import RioReader, rio_file, Stanza
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from bzrlib.symbol_versioning import (
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112
112
 
113
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MERGE_MODIFIED_HEADER_1 = "BZR merge-modified list format 1"
 
114
# TODO: Modifying the conflict objects or their type is currently nearly
 
115
# impossible as there is no clear relationship between the working tree format
 
116
# and the conflict list file format.
114
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CONFLICT_HEADER_1 = "BZR conflict list format 1"
115
118
 
116
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ERROR_PATH_NOT_FOUND = 3    # WindowsError errno code, equivalent to ENOENT
909
912
            branch.last_revision().
910
913
        """
911
914
        from bzrlib.merge import Merger, Merge3Merger
912
 
        pb = ui.ui_factory.nested_progress_bar()
913
 
        try:
914
 
            merger = Merger(self.branch, this_tree=self, pb=pb)
915
 
            merger.pp = ProgressPhase("Merge phase", 5, pb)
916
 
            merger.pp.next_phase()
917
 
            # check that there are no local alterations
918
 
            if not force and self.has_changes():
919
 
                raise errors.UncommittedChanges(self)
920
 
            if to_revision is None:
921
 
                to_revision = _mod_revision.ensure_null(branch.last_revision())
922
 
            merger.other_rev_id = to_revision
923
 
            if _mod_revision.is_null(merger.other_rev_id):
924
 
                raise errors.NoCommits(branch)
925
 
            self.branch.fetch(branch, last_revision=merger.other_rev_id)
926
 
            merger.other_basis = merger.other_rev_id
927
 
            merger.other_tree = self.branch.repository.revision_tree(
928
 
                merger.other_rev_id)
929
 
            merger.other_branch = branch
930
 
            merger.pp.next_phase()
931
 
            if from_revision is None:
932
 
                merger.find_base()
933
 
            else:
934
 
                merger.set_base_revision(from_revision, branch)
935
 
            if merger.base_rev_id == merger.other_rev_id:
936
 
                raise errors.PointlessMerge
937
 
            merger.backup_files = False
938
 
            if merge_type is None:
939
 
                merger.merge_type = Merge3Merger
940
 
            else:
941
 
                merger.merge_type = merge_type
942
 
            merger.set_interesting_files(None)
943
 
            merger.show_base = False
944
 
            merger.reprocess = False
945
 
            conflicts = merger.do_merge()
946
 
            merger.set_pending()
947
 
        finally:
948
 
            pb.finished()
 
915
        merger = Merger(self.branch, this_tree=self)
 
916
        # check that there are no local alterations
 
917
        if not force and self.has_changes():
 
918
            raise errors.UncommittedChanges(self)
 
919
        if to_revision is None:
 
920
            to_revision = _mod_revision.ensure_null(branch.last_revision())
 
921
        merger.other_rev_id = to_revision
 
922
        if _mod_revision.is_null(merger.other_rev_id):
 
923
            raise errors.NoCommits(branch)
 
924
        self.branch.fetch(branch, last_revision=merger.other_rev_id)
 
925
        merger.other_basis = merger.other_rev_id
 
926
        merger.other_tree = self.branch.repository.revision_tree(
 
927
            merger.other_rev_id)
 
928
        merger.other_branch = branch
 
929
        if from_revision is None:
 
930
            merger.find_base()
 
931
        else:
 
932
            merger.set_base_revision(from_revision, branch)
 
933
        if merger.base_rev_id == merger.other_rev_id:
 
934
            raise errors.PointlessMerge
 
935
        merger.backup_files = False
 
936
        if merge_type is None:
 
937
            merger.merge_type = Merge3Merger
 
938
        else:
 
939
            merger.merge_type = merge_type
 
940
        merger.set_interesting_files(None)
 
941
        merger.show_base = False
 
942
        merger.reprocess = False
 
943
        conflicts = merger.do_merge()
 
944
        merger.set_pending()
949
945
        return conflicts
950
946
 
951
947
    @needs_read_lock
1602
1598
    @needs_write_lock
1603
1599
    def pull(self, source, overwrite=False, stop_revision=None,
1604
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             change_reporter=None, possible_transports=None, local=False):
1605
 
        top_pb = ui.ui_factory.nested_progress_bar()
1606
1601
        source.lock_read()
1607
1602
        try:
1608
 
            pp = ProgressPhase("Pull phase", 2, top_pb)
1609
 
            pp.next_phase()
1610
1603
            old_revision_info = self.branch.last_revision_info()
1611
1604
            basis_tree = self.basis_tree()
1612
1605
            count = self.branch.pull(source, overwrite, stop_revision,
1614
1607
                                     local=local)
1615
1608
            new_revision_info = self.branch.last_revision_info()
1616
1609
            if new_revision_info != old_revision_info:
1617
 
                pp.next_phase()
1618
1610
                repository = self.branch.repository
1619
 
                pb = ui.ui_factory.nested_progress_bar()
1620
1611
                basis_tree.lock_read()
1621
1612
                try:
1622
1613
                    new_basis_tree = self.branch.basis_tree()
1625
1616
                                new_basis_tree,
1626
1617
                                basis_tree,
1627
1618
                                this_tree=self,
1628
 
                                pb=pb,
 
1619
                                pb=None,
1629
1620
                                change_reporter=change_reporter)
1630
1621
                    basis_root_id = basis_tree.get_root_id()
1631
1622
                    new_root_id = new_basis_tree.get_root_id()
1632
1623
                    if basis_root_id != new_root_id:
1633
1624
                        self.set_root_id(new_root_id)
1634
1625
                finally:
1635
 
                    pb.finished()
1636
1626
                    basis_tree.unlock()
1637
1627
                # TODO - dedup parents list with things merged by pull ?
1638
1628
                # reuse the revisiontree we merged against to set the new
1651
1641
            return count
1652
1642
        finally:
1653
1643
            source.unlock()
1654
 
            top_pb.finished()
1655
1644
 
1656
1645
    @needs_write_lock
1657
1646
    def put_file_bytes_non_atomic(self, file_id, bytes):
2066
2055
 
2067
2056
    @needs_tree_write_lock
2068
2057
    def revert(self, filenames=None, old_tree=None, backups=True,
2069
 
               pb=DummyProgress(), report_changes=False):
 
2058
               pb=None, report_changes=False):
2070
2059
        from bzrlib.conflicts import resolve
2071
2060
        if filenames == []:
2072
2061
            filenames = None
2261
2250
        # We MUST save it even if an error occurs, because otherwise the users
2262
2251
        # local work is unreferenced and will appear to have been lost.
2263
2252
        #
2264
 
        result = 0
 
2253
        nb_conflicts = 0
2265
2254
        try:
2266
2255
            last_rev = self.get_parent_ids()[0]
2267
2256
        except IndexError:
2271
2260
        else:
2272
2261
            if revision not in self.branch.revision_history():
2273
2262
                raise errors.NoSuchRevision(self.branch, revision)
 
2263
 
 
2264
        old_tip = old_tip or _mod_revision.NULL_REVISION
 
2265
 
 
2266
        if not _mod_revision.is_null(old_tip) and old_tip != last_rev:
 
2267
            # the branch we are bound to was updated
 
2268
            # merge those changes in first
 
2269
            base_tree  = self.basis_tree()
 
2270
            other_tree = self.branch.repository.revision_tree(old_tip)
 
2271
            nb_conflicts = merge.merge_inner(self.branch, other_tree,
 
2272
                                             base_tree, this_tree=self,
 
2273
                                             change_reporter=change_reporter)
 
2274
            if nb_conflicts:
 
2275
                self.add_parent_tree((old_tip, other_tree))
 
2276
                trace.note('Rerun update after fixing the conflicts.')
 
2277
                return nb_conflicts
 
2278
 
2274
2279
        if last_rev != _mod_revision.ensure_null(revision):
2275
 
            # merge tree state up to specified revision.
 
2280
            # the working tree is up to date with the branch
 
2281
            # we can merge the specified revision from master
 
2282
            to_tree = self.branch.repository.revision_tree(revision)
 
2283
            to_root_id = to_tree.get_root_id()
 
2284
 
2276
2285
            basis = self.basis_tree()
2277
2286
            basis.lock_read()
2278
2287
            try:
2279
 
                to_tree = self.branch.repository.revision_tree(revision)
2280
 
                to_root_id = to_tree.get_root_id()
2281
2288
                if (basis.inventory.root is None
2282
2289
                    or basis.inventory.root.file_id != to_root_id):
2283
2290
                    self.set_root_id(to_root_id)
2284
2291
                    self.flush()
2285
 
                result += merge.merge_inner(
2286
 
                                      self.branch,
2287
 
                                      to_tree,
2288
 
                                      basis,
2289
 
                                      this_tree=self,
2290
 
                                      change_reporter=change_reporter)
2291
 
                self.set_last_revision(revision)
2292
2292
            finally:
2293
2293
                basis.unlock()
 
2294
 
 
2295
            # determine the branch point
 
2296
            graph = self.branch.repository.get_graph()
 
2297
            base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
 
2298
                                                last_rev)
 
2299
            base_tree = self.branch.repository.revision_tree(base_rev_id)
 
2300
 
 
2301
            nb_conflicts = merge.merge_inner(self.branch, to_tree, base_tree,
 
2302
                                             this_tree=self,
 
2303
                                             change_reporter=change_reporter)
 
2304
            self.set_last_revision(revision)
2294
2305
            # TODO - dedup parents list with things merged by pull ?
2295
2306
            # reuse the tree we've updated to to set the basis:
2296
2307
            parent_trees = [(revision, to_tree)]
2303
2314
            for parent in merges:
2304
2315
                parent_trees.append(
2305
2316
                    (parent, self.branch.repository.revision_tree(parent)))
2306
 
            if (old_tip is not None and not _mod_revision.is_null(old_tip)):
 
2317
            if not _mod_revision.is_null(old_tip):
2307
2318
                parent_trees.append(
2308
2319
                    (old_tip, self.branch.repository.revision_tree(old_tip)))
2309
2320
            self.set_parent_trees(parent_trees)
2310
2321
            last_rev = parent_trees[0][0]
2311
 
        else:
2312
 
            # the working tree had the same last-revision as the master
2313
 
            # branch did. We may still have pivot local work from the local
2314
 
            # branch into old_tip:
2315
 
            if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2316
 
                self.add_parent_tree_id(old_tip)
2317
 
        if (old_tip is not None and not _mod_revision.is_null(old_tip)
2318
 
            and old_tip != last_rev):
2319
 
            # our last revision was not the prior branch last revision
2320
 
            # and we have converted that last revision to a pending merge.
2321
 
            # base is somewhere between the branch tip now
2322
 
            # and the now pending merge
2323
 
 
2324
 
            # Since we just modified the working tree and inventory, flush out
2325
 
            # the current state, before we modify it again.
2326
 
            # TODO: jam 20070214 WorkingTree3 doesn't require this, dirstate
2327
 
            #       requires it only because TreeTransform directly munges the
2328
 
            #       inventory and calls tree._write_inventory(). Ultimately we
2329
 
            #       should be able to remove this extra flush.
2330
 
            self.flush()
2331
 
            graph = self.branch.repository.get_graph()
2332
 
            base_rev_id = graph.find_unique_lca(revision, old_tip)
2333
 
            base_tree = self.branch.repository.revision_tree(base_rev_id)
2334
 
            other_tree = self.branch.repository.revision_tree(old_tip)
2335
 
            result += merge.merge_inner(
2336
 
                                  self.branch,
2337
 
                                  other_tree,
2338
 
                                  base_tree,
2339
 
                                  this_tree=self,
2340
 
                                  change_reporter=change_reporter)
2341
 
        return result
 
2322
        return nb_conflicts
2342
2323
 
2343
2324
    def _write_hashcache_if_dirty(self):
2344
2325
        """Write out the hashcache if it is dirty."""