1 files changed, 0 insertions, 66 deletions
diff --git a/fastimport/reftracker.py b/fastimport/reftracker.py
deleted file mode 100644
index 44136c7..0000000
--- a/fastimport/reftracker.py
+++ /dev/null
@@ -1,66 +0,0 @@
-# Copyright (C) 2009 Canonical Ltd
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-
-"""Tracker of refs."""
-
-
-class RefTracker(object):
-
-    def __init__(self):
-        # Head tracking: last ref, last id per ref & map of commit ids to ref*s*
-        self.last_ref = None
-        self.last_ids = {}
-        self.heads = {}
-
-    def dump_stats(self, note):
-        self._show_stats_for(self.last_ids, "last-ids", note=note)
-        self._show_stats_for(self.heads, "heads", note=note)
-
-    def clear(self):
-        self.last_ids.clear()
-        self.heads.clear()
-
-    def track_heads(self, cmd):
-        """Track the repository heads given a CommitCommand.
-
-        :param cmd: the CommitCommand
-        :return: the list of parents in terms of commit-ids
-        """
-        # Get the true set of parents
-        if cmd.from_ is not None:
-            parents = [cmd.from_]
-        else:
-            last_id = self.last_ids.get(cmd.ref)
-            if last_id is not None:
-                parents = [last_id]
-            else:
-                parents = []
-        parents.extend(cmd.merges)
-
-        # Track the heads
-        self.track_heads_for_ref(cmd.ref, cmd.id, parents)
-        return parents
-
-    def track_heads_for_ref(self, cmd_ref, cmd_id, parents=None):
-        if parents is not None:
-            for parent in parents:
-                if parent in self.heads:
-                    del self.heads[parent]
-        self.heads.setdefault(cmd_id, set()).add(cmd_ref)
-        self.last_ids[cmd_ref] = cmd_id
-        self.last_ref = cmd_ref
-
-