diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -11,7 +11,7 @@ import peer, changegroup, subrepo, pushk
 import changelog, dirstate, filelog, manifest, context, bookmarks, phases
 import lock as lockmod
 import transaction, store, encoding, exchange, bundle2
-import scmutil, util, extensions, hook, error, revset
+import scmutil, util, extensions, hook, error, revset, cmdutil
 import match as matchmod
 import merge as mergemod
 import tags as tagsmod
@@ -1084,20 +1084,22 @@ class localrepository(object):
             lock.release()
 
     def rollback(self, dryrun=False, force=False):
-        wlock = lock = None
+        wlock = lock = dsguard = None
         try:
             wlock = self.wlock()
             lock = self.lock()
             if self.svfs.exists("undo"):
-                return self._rollback(dryrun, force)
+                dsguard = cmdutil.dirstateguard(self, 'rollback')
+
+                return self._rollback(dryrun, force, dsguard)
             else:
                 self.ui.warn(_("no rollback information available\n"))
                 return 1
         finally:
-            release(lock, wlock)
+            release(dsguard, lock, wlock)
 
     @unfilteredmethod # Until we get smarter cache management
-    def _rollback(self, dryrun, force):
+    def _rollback(self, dryrun, force, dsguard):
         ui = self.ui
         try:
             args = self.vfs.read('undo.desc').splitlines()
@@ -1140,6 +1142,9 @@ class localrepository(object):
         parentgone = (parents[0] not in self.changelog.nodemap or
                       parents[1] not in self.changelog.nodemap)
         if parentgone:
+            # prevent dirstateguard from overwriting already restored one
+            dsguard.close()
+
             self.vfs.rename('undo.dirstate', 'dirstate')
             try:
                 branch = self.vfs.read('undo.branch')
diff --git a/tests/test-import.t b/tests/test-import.t
--- a/tests/test-import.t
+++ b/tests/test-import.t
@@ -428,6 +428,25 @@ patches: import patch1 patch2; rollback
   working directory now based on revision 0
   $ hg --cwd b parents --template 'parent: {rev}\n'
   parent: 0
+
+Test that "hg rollback" doesn't restore dirstate to one at the
+beginning of the rollbacked transaction in not-"parent-gone" case.
+
+invoking pretxncommit hook will cause marking '.hg/dirstate' as a file
+to be restored at rollbacking, after DirstateTransactionPlan (see wiki
+page for detail).
+
+  $ hg --cwd b branch -q foobar
+  $ hg --cwd b commit -m foobar
+  $ hg --cwd b update 0 -q
+  $ hg --cwd b import ../patch1 ../patch2 --config hooks.pretxncommit=true
+  applying ../patch1
+  applying ../patch2
+  $ hg --cwd b update -q 1
+  $ hg --cwd b rollback -q
+  $ hg --cwd b parents --template 'parent: {rev}\n'
+  parent: 1
+
   $ rm -r b