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Viewing changes to bzrlib/diff.py

add a clean target

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bzrlib/diff.py
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    print >>to_file
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def external_diff(old_label, oldlines, new_label, newlines, to_file,
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                  diff_opts):
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    """Display a diff by calling out to the external diff program."""
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    finally:
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        oldtmpf.close()                 # and delete
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        newtmpf.close()
 
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def show_diff(b, revision, specific_files, external_diff_options=None,
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              revision2=None, output=None):
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        import sys
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        output = sys.stdout
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    if revision is None:
 
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    if revision == None:
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        old_tree = b.basis_tree()
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    else:
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        old_tree = b.revision_tree(revision.in_history(b).rev_id)
 
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        old_tree = b.revision_tree(b.lookup_revision(revision))
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    if revision2 is None:
 
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    if revision2 == None:
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        new_tree = b.working_tree()
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    else:
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        new_tree = b.revision_tree(revision2.in_history(b).rev_id)
 
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        new_tree = b.revision_tree(b.lookup_revision(revision2))
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    show_diff_trees(old_tree, new_tree, output, specific_files,
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                    external_diff_options)
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    for path, file_id, kind in delta.removed:
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        print >>to_file, '=== removed %s %r' % (kind, path)
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        old_tree.inventory[file_id].diff(diff_file, old_label + path, old_tree,
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                                         DEVNULL, None, None, to_file)
 
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        if kind == 'file':
 
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            diff_file(old_label + path,
 
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                      old_tree.get_file(file_id).readlines(),
 
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                      DEVNULL, 
 
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                      [],
 
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                      to_file)
 
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    for path, file_id, kind in delta.added:
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        print >>to_file, '=== added %s %r' % (kind, path)
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        new_tree.inventory[file_id].diff(diff_file, new_label + path, new_tree,
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                                         DEVNULL, None, None, to_file, 
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                                         reverse=True)
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    for (old_path, new_path, file_id, kind,
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         text_modified, meta_modified) in delta.renamed:
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        prop_str = get_prop_change(meta_modified)
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        print >>to_file, '=== renamed %s %r => %r%s' % (
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                          kind, old_path, new_path, prop_str)
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        _maybe_diff_file_or_symlink(old_label, old_path, old_tree, file_id,
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                                    new_label, new_path, new_tree,
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                                    text_modified, kind, to_file, diff_file)
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    for path, file_id, kind, text_modified, meta_modified in delta.modified:
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        prop_str = get_prop_change(meta_modified)
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        print >>to_file, '=== modified %s %r%s' % (kind, path, prop_str)
 
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        if kind == 'file':
 
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            diff_file(DEVNULL,
 
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                      [],
 
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                      new_label + path,
 
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                      new_tree.get_file(file_id).readlines(),
 
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                      to_file)
 
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    for old_path, new_path, file_id, kind, text_modified in delta.renamed:
 
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        print >>to_file, '=== renamed %s %r => %r' % (kind, old_path, new_path)
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        if text_modified:
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            _maybe_diff_file_or_symlink(old_label, path, old_tree, file_id,
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                                        new_label, path, new_tree,
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                                        True, kind, to_file, diff_file)
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def get_prop_change(meta_modified):
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    if meta_modified:
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        return " (properties changed)"
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    else:
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        return  ""
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def _maybe_diff_file_or_symlink(old_label, old_path, old_tree, file_id,
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                                new_label, new_path, new_tree, text_modified,
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                                kind, to_file, diff_file):
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    if text_modified:
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        new_entry = new_tree.inventory[file_id]
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        old_tree.inventory[file_id].diff(diff_file,
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                                         old_label + old_path, old_tree,
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                                         new_label + new_path, new_entry, 
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                                         new_tree, to_file)
 
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            diff_file(old_label + old_path,
 
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                      old_tree.get_file(file_id).readlines(),
 
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                      new_label + new_path,
 
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                      new_tree.get_file(file_id).readlines(),
 
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                      to_file)
 
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    for path, file_id, kind in delta.modified:
 
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        print >>to_file, '=== modified %s %r' % (kind, path)
 
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        if kind == 'file':
 
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            diff_file(old_label + path,
 
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                      old_tree.get_file(file_id).readlines(),
 
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                      new_label + path,
 
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                      new_tree.get_file(file_id).readlines(),
 
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                      to_file)
 
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