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  • Committer: Martin Pool
  • Date: 2005-06-30 09:43:08 UTC
  • mto: This revision was merged to the branch mainline in revision 852.
  • Revision ID: mbp@sourcefrog.net-20050630094308-eef09d8efbc4737f
Refactor Weave._delta to calculate less unused information

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bzrlib/status.py
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# (C) 2005 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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import sys
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from bzrlib.osutils import is_inside_any
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from bzrlib.delta import compare_trees
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def show_status(branch, show_unchanged=False,
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                specific_files=None,
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                show_ids=False,
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                to_file=None,
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                show_pending=True,
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                revision=None):
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    """Display status for non-ignored working files.
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    show_unchanged
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        If set, includes unchanged files.
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    specific_files
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        If set, only show the status of files in this list.
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    show_ids
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        If set, includes each file's id.
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    to_file
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        If set, write to this file (default stdout.)
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    show_pending
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        If set, write pending merges.
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    revision
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        If None the compare latest revision with working tree
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        If one revision show compared it with working tree.
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        If two revisions show status between first and second.
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    """
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    if to_file == None:
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        to_file = sys.stdout
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    branch.lock_read()
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    try:
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        new_is_working_tree = True
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        if revision is None:
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            old = branch.basis_tree()
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            new = branch.working_tree()
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        elif len(revision) > 0:
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            try:
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                rev_id = revision[0].in_history(branch).rev_id
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                old = branch.revision_tree(rev_id)
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            except NoSuchRevision, e:
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                raise BzrCommandError(str(e))
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            if len(revision) > 1:
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                try:
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                    rev_id = revision[1].in_history(branch).rev_id
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                    new = branch.revision_tree(rev_id)
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                    new_is_working_tree = False
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                except NoSuchRevision, e:
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                    raise BzrCommandError(str(e))
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            else:
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                new = branch.working_tree()
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        delta = compare_trees(old, new, want_unchanged=show_unchanged,
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                              specific_files=specific_files)
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        delta.show(to_file,
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                   show_ids=show_ids,
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                   show_unchanged=show_unchanged)
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        if new_is_working_tree:
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            conflicts = new.iter_conflicts()
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            unknowns = new.unknowns()
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            list_paths('unknown', unknowns, specific_files, to_file)
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            list_paths('conflicts', conflicts, specific_files, to_file)
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            if show_pending and len(branch.pending_merges()) > 0:
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                print >>to_file, 'pending merges:'
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                for merge in branch.pending_merges():
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                    print >> to_file, ' ', merge
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    finally:
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        branch.unlock()
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def list_paths(header, paths, specific_files, to_file):
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    done_header = False
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    for path in paths:
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        if specific_files and not is_inside_any(specific_files, path):
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            continue
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        if not done_header:
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            print >>to_file, '%s:' % header
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            done_header = True
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        print >>to_file, ' ', path