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[merge] land Robert's branch-formats branch

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bzrlib/commit.py
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from bzrlib.trace import mutter, note, warning
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from bzrlib.xml5 import serializer_v5
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from bzrlib.inventory import Inventory, ROOT_ID
 
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from bzrlib.symbol_versioning import *
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from bzrlib.weave import Weave
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from bzrlib.weavefile import read_weave, write_weave_v5
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from bzrlib.workingtree import WorkingTree
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@deprecated_function(zero_seven)
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def commit(*args, **kwargs):
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    """Commit a new revision to a branch.
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            self.config = None
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    def commit(self,
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               branch, message,
 
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               branch=DEPRECATED_PARAMETER, message=None,
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               timestamp=None,
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               timezone=None,
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               committer=None,
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               allow_pointless=True,
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               strict=False,
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               verbose=False,
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               revprops=None):
 
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               revprops=None,
 
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               working_tree=None):
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        """Commit working copy as a new revision.
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        branch -- the deprecated branch to commit to. New callers should pass in 
 
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                  working_tree instead
 
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        message -- the commit message, a mandatory parameter
 
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        timestamp -- if not None, seconds-since-epoch for a
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             postdated/predated commit.
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        """
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        mutter('preparing to commit')
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        self.branch = branch
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        self.weave_store = branch.repository.weave_store
 
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        if deprecated_passed(branch):
 
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            warn("Commit.commit (branch, ...): The branch parameter is "
 
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                 "deprecated as of bzr 0.8. Please use working_tree= instead.",
 
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                 DeprecationWarning, stacklevel=2)
 
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            self.branch = branch
 
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            self.work_tree = WorkingTree(branch.base, branch)
 
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        elif working_tree is None:
 
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            raise BzrError("One of branch and working_tree must be passed into commit().")
 
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        else:
 
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            self.work_tree = working_tree
 
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            self.branch = self.work_tree.branch
 
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        if message is None:
 
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            raise BzrError("The message keyword parameter is required for commit().")
 
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        self.weave_store = self.branch.repository.weave_store
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        self.rev_id = rev_id
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        self.specific_files = specific_files
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        self.allow_pointless = allow_pointless
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        self.revprops = {'branch-nick': branch.nick}
 
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        self.revprops = {'branch-nick': self.branch.nick}
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        if revprops:
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            self.revprops.update(revprops)
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        self.work_tree = WorkingTree(branch.base, branch)
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        if strict:
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            # raise an exception as soon as we find a single unknown.
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            self._make_revision()
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            self.work_tree.set_pending_merges([])
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            self.branch.append_revision(self.rev_id)
 
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            if len(self.parents):
 
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                precursor = self.parents[0]
 
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            else:
 
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                precursor = None
 
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            self.work_tree.set_last_revision(self.rev_id, precursor)
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            self.reporter.completed(self.branch.revno()+1, self.rev_id)
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            if self.config.post_commit() is not None:
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                hooks = self.config.post_commit().split(' ')