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Viewing changes to bzrlib/workingtree.py

  • Committer: Martin Pool
  • Date: 2010-01-15 05:33:28 UTC
  • mto: This revision was merged to the branch mainline in revision 5019.
  • Revision ID: mbp@sourcefrog.net-20100115053328-z8lykwv6zmkmkp9p
Further progress bar string-pulling

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29
29
WorkingTree.open(dir).
30
30
"""
31
31
 
 
32
# TODO: Give the workingtree sole responsibility for the working inventory;
 
33
# remove the variable and references to it from the branch.  This may require
 
34
# updating the commit code so as to update the inventory within the working
 
35
# copy, and making sure there's only one WorkingTree for any directory on disk.
 
36
# At the moment they may alias the inventory and have old copies of it in
 
37
# memory.  (Now done? -- mbp 20060309)
32
38
 
33
39
from cStringIO import StringIO
34
40
import os
77
83
 
78
84
from bzrlib import symbol_versioning
79
85
from bzrlib.decorators import needs_read_lock, needs_write_lock
80
 
from bzrlib.lock import LogicalLockResult
81
86
from bzrlib.lockable_files import LockableFiles
82
87
from bzrlib.lockdir import LockDir
83
88
import bzrlib.mutabletree
96
101
from bzrlib.filters import filtered_input_file
97
102
from bzrlib.trace import mutter, note
98
103
from bzrlib.transport.local import LocalTransport
 
104
from bzrlib.progress import ProgressPhase
99
105
from bzrlib.revision import CURRENT_REVISION
100
106
from bzrlib.rio import RioReader, rio_file, Stanza
101
107
from bzrlib.symbol_versioning import (
105
111
 
106
112
 
107
113
MERGE_MODIFIED_HEADER_1 = "BZR merge-modified list format 1"
108
 
# TODO: Modifying the conflict objects or their type is currently nearly
109
 
# impossible as there is no clear relationship between the working tree format
110
 
# and the conflict list file format.
111
114
CONFLICT_HEADER_1 = "BZR conflict list format 1"
112
115
 
113
116
ERROR_PATH_NOT_FOUND = 3    # WindowsError errno code, equivalent to ENOENT
168
171
        return ''
169
172
 
170
173
 
171
 
class WorkingTree(bzrlib.mutabletree.MutableTree,
172
 
    bzrdir.ControlComponent):
 
174
class WorkingTree(bzrlib.mutabletree.MutableTree):
173
175
    """Working copy tree.
174
176
 
175
177
    The inventory is held in the `Branch` working-inventory, and the
248
250
        self._rules_searcher = None
249
251
        self.views = self._make_views()
250
252
 
251
 
    @property
252
 
    def user_transport(self):
253
 
        return self.bzrdir.user_transport
254
 
 
255
 
    @property
256
 
    def control_transport(self):
257
 
        return self._transport
258
 
 
259
253
    def _detect_case_handling(self):
260
254
        wt_trans = self.bzrdir.get_workingtree_transport(None)
261
255
        try:
1097
1091
        tree_transport = self.bzrdir.root_transport.clone(sub_path)
1098
1092
        if tree_transport.base != branch_transport.base:
1099
1093
            tree_bzrdir = format.initialize_on_transport(tree_transport)
1100
 
            branch.BranchReferenceFormat().initialize(tree_bzrdir,
1101
 
                target_branch=new_branch)
 
1094
            branch.BranchReferenceFormat().initialize(tree_bzrdir, new_branch)
1102
1095
        else:
1103
1096
            tree_bzrdir = branch_bzrdir
1104
1097
        wt = tree_bzrdir.create_workingtree(_mod_revision.NULL_REVISION)
1142
1135
        This does not include files that have been deleted in this
1143
1136
        tree. Skips the control directory.
1144
1137
 
1145
 
        :param include_root: if True, return an entry for the root
 
1138
        :param include_root: if True, do not return an entry for the root
1146
1139
        :param from_dir: start from this directory or None for the root
1147
1140
        :param recursive: whether to recurse into subdirectories or not
1148
1141
        """
1735
1728
        r"""Check whether the filename matches an ignore pattern.
1736
1729
 
1737
1730
        Patterns containing '/' or '\' need to match the whole path;
1738
 
        others match against only the last component.  Patterns starting
1739
 
        with '!' are ignore exceptions.  Exceptions take precedence
1740
 
        over regular patterns and cause the filename to not be ignored.
 
1731
        others match against only the last component.
1741
1732
 
1742
1733
        If the file is ignored, returns the pattern which caused it to
1743
1734
        be ignored, otherwise None.  So this can simply be used as a
1744
1735
        boolean if desired."""
1745
1736
        if getattr(self, '_ignoreglobster', None) is None:
1746
 
            self._ignoreglobster = globbing.ExceptionGlobster(self.get_ignore_list())
 
1737
            self._ignoreglobster = globbing.Globster(self.get_ignore_list())
1747
1738
        return self._ignoreglobster.match(filename)
1748
1739
 
1749
1740
    def kind(self, file_id):
1799
1790
            raise errors.ObjectNotLocked(self)
1800
1791
 
1801
1792
    def lock_read(self):
1802
 
        """Lock the tree for reading.
1803
 
 
1804
 
        This also locks the branch, and can be unlocked via self.unlock().
1805
 
 
1806
 
        :return: A bzrlib.lock.LogicalLockResult.
1807
 
        """
 
1793
        """See Branch.lock_read, and WorkingTree.unlock."""
1808
1794
        if not self.is_locked():
1809
1795
            self._reset_data()
1810
1796
        self.branch.lock_read()
1811
1797
        try:
1812
 
            self._control_files.lock_read()
1813
 
            return LogicalLockResult(self.unlock)
 
1798
            return self._control_files.lock_read()
1814
1799
        except:
1815
1800
            self.branch.unlock()
1816
1801
            raise
1817
1802
 
1818
1803
    def lock_tree_write(self):
1819
 
        """See MutableTree.lock_tree_write, and WorkingTree.unlock.
1820
 
 
1821
 
        :return: A bzrlib.lock.LogicalLockResult.
1822
 
        """
 
1804
        """See MutableTree.lock_tree_write, and WorkingTree.unlock."""
1823
1805
        if not self.is_locked():
1824
1806
            self._reset_data()
1825
1807
        self.branch.lock_read()
1826
1808
        try:
1827
 
            self._control_files.lock_write()
1828
 
            return LogicalLockResult(self.unlock)
 
1809
            return self._control_files.lock_write()
1829
1810
        except:
1830
1811
            self.branch.unlock()
1831
1812
            raise
1832
1813
 
1833
1814
    def lock_write(self):
1834
 
        """See MutableTree.lock_write, and WorkingTree.unlock.
1835
 
 
1836
 
        :return: A bzrlib.lock.LogicalLockResult.
1837
 
        """
 
1815
        """See MutableTree.lock_write, and WorkingTree.unlock."""
1838
1816
        if not self.is_locked():
1839
1817
            self._reset_data()
1840
1818
        self.branch.lock_write()
1841
1819
        try:
1842
 
            self._control_files.lock_write()
1843
 
            return LogicalLockResult(self.unlock)
 
1820
            return self._control_files.lock_write()
1844
1821
        except:
1845
1822
            self.branch.unlock()
1846
1823
            raise
1911
1888
            # revision_id is set. We must check for this full string, because a
1912
1889
            # root node id can legitimately look like 'revision_id' but cannot
1913
1890
            # contain a '"'.
1914
 
            xml = self.branch.repository._get_inventory_xml(new_revision)
 
1891
            xml = self.branch.repository.get_inventory_xml(new_revision)
1915
1892
            firstline = xml.split('\n', 1)[0]
1916
1893
            if (not 'revision_id="' in firstline or
1917
1894
                'format="7"' not in firstline):
1971
1948
        def recurse_directory_to_add_files(directory):
1972
1949
            # Recurse directory and add all files
1973
1950
            # so we can check if they have changed.
1974
 
            for parent_info, file_infos in self.walkdirs(directory):
 
1951
            for parent_info, file_infos in\
 
1952
                self.walkdirs(directory):
1975
1953
                for relpath, basename, kind, lstat, fileid, kind in file_infos:
1976
1954
                    # Is it versioned or ignored?
1977
1955
                    if self.path2id(relpath) or self.is_ignored(relpath):
2012
1990
                            # ... but not ignored
2013
1991
                            has_changed_files = True
2014
1992
                            break
2015
 
                    elif (content_change and (kind[1] is not None) and
2016
 
                            osutils.is_inside_any(files, path[1])):
2017
 
                        # Versioned and changed, but not deleted, and still
2018
 
                        # in one of the dirs to be deleted.
 
1993
                    elif content_change and (kind[1] is not None):
 
1994
                        # Versioned and changed, but not deleted
2019
1995
                        has_changed_files = True
2020
1996
                        break
2021
1997
 
2269
2245
        # We MUST save it even if an error occurs, because otherwise the users
2270
2246
        # local work is unreferenced and will appear to have been lost.
2271
2247
        #
2272
 
        nb_conflicts = 0
 
2248
        result = 0
2273
2249
        try:
2274
2250
            last_rev = self.get_parent_ids()[0]
2275
2251
        except IndexError:
2276
2252
            last_rev = _mod_revision.NULL_REVISION
2277
2253
        if revision is None:
2278
2254
            revision = self.branch.last_revision()
2279
 
 
2280
 
        old_tip = old_tip or _mod_revision.NULL_REVISION
2281
 
 
2282
 
        if not _mod_revision.is_null(old_tip) and old_tip != last_rev:
2283
 
            # the branch we are bound to was updated
2284
 
            # merge those changes in first
2285
 
            base_tree  = self.basis_tree()
2286
 
            other_tree = self.branch.repository.revision_tree(old_tip)
2287
 
            nb_conflicts = merge.merge_inner(self.branch, other_tree,
2288
 
                                             base_tree, this_tree=self,
2289
 
                                             change_reporter=change_reporter)
2290
 
            if nb_conflicts:
2291
 
                self.add_parent_tree((old_tip, other_tree))
2292
 
                trace.note('Rerun update after fixing the conflicts.')
2293
 
                return nb_conflicts
2294
 
 
 
2255
        else:
 
2256
            if revision not in self.branch.revision_history():
 
2257
                raise errors.NoSuchRevision(self.branch, revision)
2295
2258
        if last_rev != _mod_revision.ensure_null(revision):
2296
 
            # the working tree is up to date with the branch
2297
 
            # we can merge the specified revision from master
2298
 
            to_tree = self.branch.repository.revision_tree(revision)
2299
 
            to_root_id = to_tree.get_root_id()
2300
 
 
 
2259
            # merge tree state up to specified revision.
2301
2260
            basis = self.basis_tree()
2302
2261
            basis.lock_read()
2303
2262
            try:
 
2263
                to_tree = self.branch.repository.revision_tree(revision)
 
2264
                to_root_id = to_tree.get_root_id()
2304
2265
                if (basis.inventory.root is None
2305
2266
                    or basis.inventory.root.file_id != to_root_id):
2306
2267
                    self.set_root_id(to_root_id)
2307
2268
                    self.flush()
 
2269
                result += merge.merge_inner(
 
2270
                                      self.branch,
 
2271
                                      to_tree,
 
2272
                                      basis,
 
2273
                                      this_tree=self,
 
2274
                                      change_reporter=change_reporter)
 
2275
                self.set_last_revision(revision)
2308
2276
            finally:
2309
2277
                basis.unlock()
2310
 
 
2311
 
            # determine the branch point
2312
 
            graph = self.branch.repository.get_graph()
2313
 
            base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
2314
 
                                                last_rev)
2315
 
            base_tree = self.branch.repository.revision_tree(base_rev_id)
2316
 
 
2317
 
            nb_conflicts = merge.merge_inner(self.branch, to_tree, base_tree,
2318
 
                                             this_tree=self,
2319
 
                                             change_reporter=change_reporter)
2320
 
            self.set_last_revision(revision)
2321
2278
            # TODO - dedup parents list with things merged by pull ?
2322
2279
            # reuse the tree we've updated to to set the basis:
2323
2280
            parent_trees = [(revision, to_tree)]
2330
2287
            for parent in merges:
2331
2288
                parent_trees.append(
2332
2289
                    (parent, self.branch.repository.revision_tree(parent)))
2333
 
            if not _mod_revision.is_null(old_tip):
 
2290
            if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2334
2291
                parent_trees.append(
2335
2292
                    (old_tip, self.branch.repository.revision_tree(old_tip)))
2336
2293
            self.set_parent_trees(parent_trees)
2337
2294
            last_rev = parent_trees[0][0]
2338
 
        return nb_conflicts
 
2295
        else:
 
2296
            # the working tree had the same last-revision as the master
 
2297
            # branch did. We may still have pivot local work from the local
 
2298
            # branch into old_tip:
 
2299
            if (old_tip is not None and not _mod_revision.is_null(old_tip)):
 
2300
                self.add_parent_tree_id(old_tip)
 
2301
        if (old_tip is not None and not _mod_revision.is_null(old_tip)
 
2302
            and old_tip != last_rev):
 
2303
            # our last revision was not the prior branch last revision
 
2304
            # and we have converted that last revision to a pending merge.
 
2305
            # base is somewhere between the branch tip now
 
2306
            # and the now pending merge
 
2307
 
 
2308
            # Since we just modified the working tree and inventory, flush out
 
2309
            # the current state, before we modify it again.
 
2310
            # TODO: jam 20070214 WorkingTree3 doesn't require this, dirstate
 
2311
            #       requires it only because TreeTransform directly munges the
 
2312
            #       inventory and calls tree._write_inventory(). Ultimately we
 
2313
            #       should be able to remove this extra flush.
 
2314
            self.flush()
 
2315
            graph = self.branch.repository.get_graph()
 
2316
            base_rev_id = graph.find_unique_lca(revision, old_tip)
 
2317
            base_tree = self.branch.repository.revision_tree(base_rev_id)
 
2318
            other_tree = self.branch.repository.revision_tree(old_tip)
 
2319
            result += merge.merge_inner(
 
2320
                                  self.branch,
 
2321
                                  other_tree,
 
2322
                                  base_tree,
 
2323
                                  this_tree=self,
 
2324
                                  change_reporter=change_reporter)
 
2325
        return result
2339
2326
 
2340
2327
    def _write_hashcache_if_dirty(self):
2341
2328
        """Write out the hashcache if it is dirty."""
2652
2639
 
2653
2640
        In Format2 WorkingTrees we have a single lock for the branch and tree
2654
2641
        so lock_tree_write() degrades to lock_write().
2655
 
 
2656
 
        :return: An object with an unlock method which will release the lock
2657
 
            obtained.
2658
2642
        """
2659
2643
        self.branch.lock_write()
2660
2644
        try:
2661
 
            self._control_files.lock_write()
2662
 
            return self
 
2645
            return self._control_files.lock_write()
2663
2646
        except:
2664
2647
            self.branch.unlock()
2665
2648
            raise