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  • Committer: Robert Collins
  • Date: 2005-10-09 23:42:12 UTC
  • Revision ID: robertc@robertcollins.net-20051009234212-7973344d900afb0b
merge in niemeyers prefixed-store patch

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bzrlib/changeset.py
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import patch
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import stat
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from bzrlib.trace import mutter
 
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from bzrlib.osutils import rename
 
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import bzrlib
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# XXX: mbp: I'm not totally convinced that we should handle conflicts
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# as part of changeset application, rather than only in the merge
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        newdict[value] = key
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    return newdict
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class ChangeUnixPermissions(object):
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    """This is two-way change, suitable for file modification, creation,
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    def __ne__(self, other):
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        return not (self == other)
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def dir_create(filename, conflict_handler, reverse):
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    """Creates the directory, or deletes it if reverse is true.  Intended to be
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    used with ReplaceContents.
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        try:
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            os.rmdir(filename)
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        except OSError, e:
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            if e.errno != 39:
 
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            if e.errno != errno.ENOTEMPTY:
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                raise
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            if conflict_handler.rmdir_non_empty(filename) == "skip":
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                return
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            os.rmdir(filename)
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class SymlinkCreate(object):
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    """Creates or deletes a symlink (for use with ReplaceContents)"""
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        status = patch.diff3(new_file, filename, base, other)
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        if status == 0:
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            os.chmod(new_file, os.stat(filename).st_mode)
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            os.rename(new_file, filename)
 
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            rename(new_file, filename)
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            return
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        else:
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            assert(status == 1)
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            def get_lines(filename):
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                my_file = file(base, "rb")
 
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                my_file = file(filename, "rb")
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                lines = my_file.readlines()
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                my_file.close()
 
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                return lines
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            base_lines = get_lines(base)
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            other_lines = get_lines(other)
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            conflict_handler.merge_conflict(new_file, filename, base_lines, 
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            if src_path is not None:
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                src_path = os.path.join(dir, src_path)
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                try:
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                    os.rename(src_path, to_name)
 
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                    rename(src_path, to_name)
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                    temp_name[entry.id] = to_name
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                except OSError, e:
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                    if e.errno != errno.ENOENT:
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            continue
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        new_path = os.path.join(dir, new_tree_path)
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        old_path = changed_inventory.get(entry.id)
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        if os.path.exists(new_path):
 
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        if bzrlib.osutils.lexists(new_path):
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            if conflict_handler.target_exists(entry, new_path, old_path) == \
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                "skip":
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                continue
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            if old_path is None:
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                continue
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            try:
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                os.rename(old_path, new_path)
 
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                rename(old_path, new_path)
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                changed_inventory[entry.id] = new_tree_path
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            except OSError, e:
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                raise Exception ("%s is missing" % new_path)
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    descend from this class if they have a better way to handle some or
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    all types of conflict.
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    """
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    def __init__(self, dir):
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        self.dir = dir
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    def missing_parent(self, pathname):
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        parent = os.path.dirname(pathname)
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        raise Exception("Parent directory missing for %s" % pathname)
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    :rtype: Dictionary
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    """
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    if conflict_handler is None:
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        conflict_handler = ExceptionConflictHandler(dir)
 
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        conflict_handler = ExceptionConflictHandler()
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    temp_dir = os.path.join(dir, "bzr-tree-change")
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    try:
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        os.mkdir(temp_dir)
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        if cs_entry is None:
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            return None
 
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        full_path_a = self.tree_a.readonly_path(id)
 
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        full_path_b = self.tree_b.readonly_path(id)
 
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        stat_a = self.lstat(full_path_a)
 
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        stat_b = self.lstat(full_path_b)
 
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        cs_entry.metadata_change = self.make_mode_change(stat_a, stat_b)
 
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        if id in self.tree_a and id in self.tree_b:
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            a_sha1 = self.tree_a.get_file_sha1(id)
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            b_sha1 = self.tree_b.get_file_sha1(id)
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            if None not in (a_sha1, b_sha1) and a_sha1 == b_sha1:
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                return cs_entry
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        full_path_a = self.tree_a.readonly_path(id)
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        full_path_b = self.tree_b.readonly_path(id)
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        stat_a = self.lstat(full_path_a)
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        stat_b = self.lstat(full_path_b)
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        cs_entry.metadata_change = self.make_mode_change(stat_a, stat_b)
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        cs_entry.contents_change = self.make_contents_change(full_path_a,
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                                                             stat_a, 
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                                                             full_path_b,