# 
# 
# patch "tracvc/mtn/automate.py"
#  from [5dea534be3d7b634fae702b6f5477179dbcb9b93]
#    to [b17b0d676f3b38ba2542b997bcc63c59e49cce23]
# 
============================================================
--- tracvc/mtn/automate.py	5dea534be3d7b634fae702b6f5477179dbcb9b93
+++ tracvc/mtn/automate.py	b17b0d676f3b38ba2542b997bcc63c59e49cce23
@@ -65,8 +65,8 @@
         self.db = db
         self.binary = binary
 
-    def get_list(self, what):
-        conn = Connection(self.db, "list " + what, self.binary)
+    def get_list(self, what, cmd = "list"):
+        conn = Connection(self.db, "%s %s" % (cmd, what) , self.binary)
         return conn.read()
 
 
@@ -345,12 +345,50 @@
         for match in TAGS_RULE.finditer(self.list.get_list("tags")):
             tags.append((self._u(match.group('tag')), match.group('rev')))
         return tags
+    
+    @memoize(get_cachespec)
+    def roster(self, rev):
+        """Returns the roster associated with a certain revision.
 
+        !Note! get_roster is currently an unofficial monotone command
+        and maybe subject to changes in the future."""
+        byname = {}
+        byident = {}
+        result = self.list.get_list(rev, "get_roster")
+        for stanza in basic_io.get_stanzas(result):
+            rawinfo = basic_io.get_hash_from_stanza(stanza)
+            if rawinfo.has_key('dir'):
+                info = NodeInfo('dir', '/' + rawinfo['dir'], int(rawinfo['ident']),
+                                rawinfo['birth'], rawinfo['path_mark'])
+            elif rawinfo.has_key('file'):
+                info = NodeInfo('file', '/' + rawinfo['file'], int(rawinfo['ident']),
+                                rawinfo['birth'], rawinfo['path_mark'],
+                                rawinfo['content'], rawinfo['content_mark'])
+            else:
+                continue
+            byname[info.name] = info
+            byident[info.ident] = info
+        return (byname, byident)
+
+
 class Changeset(object):
 
     def __init__(self, oldrev):
+        self.oldrev = oldrev             # the old rev this cs is against
+        self.added = {}                  # nodename -> kind
+        self.renamed = {}                # newname -> oldname
+        self.patched = []                # list of newnames
+        self.deleted = []                # list of oldnames
+
+
+class NodeInfo(object):
+
+    def __init__(self, kind, name, ident, birth, path_mark,
+                 content = None, content_mark = None ):
+        self.kind         = kind
+        self.content      = content
+        self.name         = name
+        self.ident        = ident        # mtn's internal file number
+        self.birth        = birth        # revision in which this nide was born
+        self.path_mark    = path_mark    # marked rev wrt to the node's name
+        self.content_mark = content_mark # marked rev wrt to the node's content
-        self.oldrev = oldrev
-        self.added = {}
-        self.renamed = {}
-        self.patched = []
-        self.deleted = []