# HG changeset patch
# User Vadim Gelfer <vadim.gelfer@gmail.com>
# Date 2006-08-15 16:37:58
# Node ID cd7bbb19b96e962cc30478453bf1552dbf854bc1
# Parent  05f357b70cb07608e89819eba7852377ea270d40
# Parent  05257fd285918487533b8b585b85ed85ea5d2e48

merge with mpm.

diff --git a/mercurial/filelog.py b/mercurial/filelog.py
--- a/mercurial/filelog.py
+++ b/mercurial/filelog.py
@@ -65,6 +65,27 @@ class filelog(revlog):
             return (m["copy"], bin(m["copyrev"]))
         return False
 
+    def cmp(self, node, text):
+        """compare text with a given file revision"""
+
+        # for renames, we have to go the slow way
+        if self.renamed(node):
+            t2 = self.read(node)
+            return t2 == text
+
+        p1, p2 = self.parents(node)
+        h = hash(text, p1, p2)
+
+        return h != node
+
+    def makenode(self, node, text):
+        """calculate a file nodeid for text, descended or possibly
+        unchanged from node"""
+
+        if self.cmp(node, text):
+            return hash(text, node, nullid)
+        return node
+
     def annotate(self, node):
 
         def decorate(text, rev):
diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -668,8 +668,7 @@ class localrepository(repo.repository):
 
         def fcmp(fn, mf):
             t1 = self.wread(fn)
-            t2 = self.file(fn).read(mf.get(fn, nullid))
-            return cmp(t1, t2)
+            return self.file(fn).cmp(mf.get(fn, nullid), t1)
 
         def mfmatches(node):
             change = self.changelog.read(node)
diff --git a/mercurial/merge.py b/mercurial/merge.py
--- a/mercurial/merge.py
+++ b/mercurial/merge.py
@@ -87,7 +87,7 @@ def update(repo, node, branchmerge=False
     m2 = repo.manifest.read(m2n).copy()
     ma = repo.manifest.read(man)
 
-    if not forcemerge and not overwrite:
+    if not force:
         for f in unknown:
             if f in m2:
                 t1 = repo.wread(f)