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bzrlib/commit.py
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               message_callback=None,
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               recursive='down',
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               exclude=None,
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               possible_master_transports=None):
 
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               possible_master_transports=None,
 
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               lossy=False):
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        """Commit working copy as a new revision.
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        :param message: the commit message (it or message_callback is required)
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        :param exclude: None or a list of relative paths to exclude from the
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            commit. Pending changes to excluded files will be ignored by the
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            commit.
 
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        :param lossy: When committing to a foreign VCS, ignore any
 
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            data that can not be natively represented.
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        """
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        operation = OperationWithCleanups(self._commit)
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        self.revprops = revprops or {}
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               message_callback=message_callback,
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               recursive=recursive,
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               exclude=exclude,
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               possible_master_transports=possible_master_transports)
 
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               possible_master_transports=possible_master_transports,
 
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               lossy=lossy)
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    def _commit(self, operation, message, timestamp, timezone, committer,
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            specific_files, rev_id, allow_pointless, strict, verbose,
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            working_tree, local, reporter, message_callback, recursive,
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            exclude, possible_master_transports):
 
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            exclude, possible_master_transports, lossy):
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        mutter('preparing to commit')
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        if working_tree is None:
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        # Collect the changes
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        self._set_progress_stage("Collecting changes", counter=True)
 
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        self._lossy = lossy
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        self.builder = self.branch.get_commit_builder(self.parents,
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            self.config, timestamp, timezone, committer, self.revprops, rev_id)
 
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            self.config, timestamp, timezone, committer, self.revprops,
 
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            rev_id, lossy=lossy)
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        if not self.builder.supports_record_entry_contents and self.exclude:
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            self.builder.abort()
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            raise errors.ExcludesUnsupported(self.branch.repository)
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            self._set_progress_stage("Uploading data to master branch")
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            # 'commit' to the master first so a timeout here causes the
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            # local branch to be out of date
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            self.master_branch.import_last_revision_info_and_tags(
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                self.branch, new_revno, self.rev_id)
 
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            (new_revno, self.rev_id) = self.master_branch.import_last_revision_info_and_tags(
 
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                self.branch, new_revno, self.rev_id, lossy=lossy)
 
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            if lossy:
 
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                self.branch.fetch(self.master_branch, self.rev_id)
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        # and now do the commit locally.
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        self.branch.set_last_revision_info(new_revno, self.rev_id)