# HG changeset patch
# User Christian Ebert <blacktrash@gmx.net>
# Date 1166279905 -3600
# Node ID d1f478aa61c58f9ee7b884442acc635eedd1a0ab
# Parent  0a57d4566be91b06bf249d1ed97b8840d532afc6
Use the "parent1|2" kwargs to detect file state

Can parent2 be of further use? Like in parsing back history?
Adapt keyword trigger to $Hg$ scheme.

diff -r 0a57d4566be9 -r d1f478aa61c5 hgkw/updatekw.py
--- a/hgkw/updatekw.py	Sat Dec 16 15:28:42 2006 +0100
+++ b/hgkw/updatekw.py	Sat Dec 16 15:38:25 2006 +0100
@@ -1,20 +1,26 @@
-# $Hg: updatekw.py,v$
+# $Hg$
 
-from hgkw import kwexpander
+import kwexpander
 
-def updatekw(ui=None, repo=None, hooktype='', **args):
+def updatekw(ui, repo, hooktype, **args):
     '''Important: returns False on success, True on failure.'''
 
-    if not ui or not repo or hooktype != 'update':
+    if hooktype != 'update':
         # bail out with error
         return True
 
-    parent1 = repo.dirstate.parents()[0]
-    node = repo.changectx(parent1)
+    p1, p2 = args['parent1'], args['parent2']
+    node1 = repo.changelog.lookup(p1)
+    if p2:
+        node2 = repo.changelog.lookup(p2)
+        # next line for debugging only (check merges)
+        ui.warn('parent2: %s\n' % p2)
+    else:
+        node2 = None
 
     (modified, added, removed, deleted,
-            unknown, ignored, clean) = repo.status(node1=parent1)
-
+            unknown, ignored, clean) = repo.status(node1=node1, node2=node2)
     candidates = modified + added + clean
 
-    return kwexpander.expandkw(ui, repo, parent1, node, candidates)
+    return kwexpander.expandkw(ui, repo,
+            node1, p1, candidates, update=True)