diff --git a/hgext/histedit.py b/hgext/histedit.py
--- a/hgext/histedit.py
+++ b/hgext/histedit.py
@@ -857,6 +857,16 @@
     def commiteditor(self):
         return cmdutil.getcommiteditor(edit=True, editform='histedit.mess')
 
+@action(['copy', 'c'],
+         _('copy (graft) a changeset from elsewhere'))
+class copy(histeditaction):
+    def _verifynodeconstraints(self, prev, expected, seen, basenodes):
+        pass
+
+    def continueclean(self):
+        ctx, replacement = super(copy, self).continueclean()
+        return ctx, []
+
 def findoutgoing(ui, repo, remote=None, force=False, opts=None):
     """utility function to find the first outgoing changeset
 
diff --git a/tests/test-histedit-arguments.t b/tests/test-histedit-arguments.t
--- a/tests/test-histedit-arguments.t
+++ b/tests/test-histedit-arguments.t
@@ -70,6 +70,7 @@
   #  e, edit = use commit, but stop for amending
   #  m, mess = edit commit message without changing commit content
   #  p, pick = use commit
+  #  c, copy = copy (graft) a changeset from elsewhere
   #  d, drop = remove commit from history
   #  f, fold = use commit, but combine it with the one above
   #  r, roll = like fold, but discard this commit's description and date
@@ -305,6 +306,7 @@
   #  e, edit = use commit, but stop for amending
   #  m, mess = edit commit message without changing commit content
   #  p, pick = use commit
+  #  c, copy = copy (graft) a changeset from elsewhere
   #  d, drop = remove commit from history
   #  f, fold = use commit, but combine it with the one above
   #  r, roll = like fold, but discard this commit's description and date
@@ -541,6 +543,7 @@
   #  e, edit = use commit, but stop for amending
   #  m, mess = edit commit message without changing commit content
   #  p, pick = use commit
+  #  c, copy = copy (graft) a changeset from elsewhere
   #  d, drop = remove commit from history
   #  f, fold = use commit, but combine it with the one above
   #  r, roll = like fold, but discard this commit's description and date
diff --git a/tests/test-histedit-bookmark-motion.t b/tests/test-histedit-bookmark-motion.t
--- a/tests/test-histedit-bookmark-motion.t
+++ b/tests/test-histedit-bookmark-motion.t
@@ -76,6 +76,7 @@
   #  e, edit = use commit, but stop for amending
   #  m, mess = edit commit message without changing commit content
   #  p, pick = use commit
+  #  c, copy = copy (graft) a changeset from elsewhere
   #  d, drop = remove commit from history
   #  f, fold = use commit, but combine it with the one above
   #  r, roll = like fold, but discard this commit's description and date
@@ -132,6 +133,7 @@
   #  e, edit = use commit, but stop for amending
   #  m, mess = edit commit message without changing commit content
   #  p, pick = use commit
+  #  c, copy = copy (graft) a changeset from elsewhere
   #  d, drop = remove commit from history
   #  f, fold = use commit, but combine it with the one above
   #  r, roll = like fold, but discard this commit's description and date
diff --git a/tests/test-histedit-commute.t b/tests/test-histedit-commute.t
--- a/tests/test-histedit-commute.t
+++ b/tests/test-histedit-commute.t
@@ -70,6 +70,7 @@
   #  e, edit = use commit, but stop for amending
   #  m, mess = edit commit message without changing commit content
   #  p, pick = use commit
+  #  c, copy = copy (graft) a changeset from elsewhere
   #  d, drop = remove commit from history
   #  f, fold = use commit, but combine it with the one above
   #  r, roll = like fold, but discard this commit's description and date
@@ -348,6 +349,7 @@
   #  e, edit = use commit, but stop for amending
   #  m, mess = edit commit message without changing commit content
   #  p, pick = use commit
+  #  c, copy = copy (graft) a changeset from elsewhere
   #  d, drop = remove commit from history
   #  f, fold = use commit, but combine it with the one above
   #  r, roll = like fold, but discard this commit's description and date
diff --git a/tests/test-histedit-edit.t b/tests/test-histedit-edit.t
--- a/tests/test-histedit-edit.t
+++ b/tests/test-histedit-edit.t
@@ -476,6 +476,7 @@
   #  e, edit = use commit, but stop for amending
   #  m, mess = edit commit message without changing commit content
   #  p, fold = use commit
+  #  c, copy = copy (graft) a changeset from elsewhere
   #  d, drop = remove commit from history
   #  f, fold = use commit, but combine it with the one above
   #  r, roll = like fold, but discard this commit's description and date
diff --git a/tests/test-histedit-obsolete.t b/tests/test-histedit-obsolete.t
--- a/tests/test-histedit-obsolete.t
+++ b/tests/test-histedit-obsolete.t
@@ -132,6 +132,7 @@
   #  e, edit = use commit, but stop for amending
   #  m, mess = edit commit message without changing commit content
   #  p, pick = use commit
+  #  c, copy = copy (graft) a changeset from elsewhere
   #  d, drop = remove commit from history
   #  f, fold = use commit, but combine it with the one above
   #  r, roll = like fold, but discard this commit's description and date
diff --git a/tests/test-histedit-outgoing.t b/tests/test-histedit-outgoing.t
--- a/tests/test-histedit-outgoing.t
+++ b/tests/test-histedit-outgoing.t
@@ -52,6 +52,7 @@
   #  e, edit = use commit, but stop for amending
   #  m, mess = edit commit message without changing commit content
   #  p, pick = use commit
+  #  c, copy = copy (graft) a changeset from elsewhere
   #  d, drop = remove commit from history
   #  f, fold = use commit, but combine it with the one above
   #  r, roll = like fold, but discard this commit's description and date
@@ -86,6 +87,7 @@
   #  e, edit = use commit, but stop for amending
   #  m, mess = edit commit message without changing commit content
   #  p, pick = use commit
+  #  c, copy = copy (graft) a changeset from elsewhere
   #  d, drop = remove commit from history
   #  f, fold = use commit, but combine it with the one above
   #  r, roll = like fold, but discard this commit's description and date
@@ -112,6 +114,7 @@
   #  e, edit = use commit, but stop for amending
   #  m, mess = edit commit message without changing commit content
   #  p, pick = use commit
+  #  c, copy = copy (graft) a changeset from elsewhere
   #  d, drop = remove commit from history
   #  f, fold = use commit, but combine it with the one above
   #  r, roll = like fold, but discard this commit's description and date