# HG changeset patch
# User Matt Mackall <mpm@selenic.com>
# Date 2014-09-19 19:51:58
# Node ID efedda4aed49ce3d5f0d6997b7d78a9a7806b26b
# Parent  2b5940f64750f027b9a12e55d33a74854365539c

import: let --exact 'work' with --no-commit (issue4376)

diff --git a/mercurial/cmdutil.py b/mercurial/cmdutil.py
--- a/mercurial/cmdutil.py
+++ b/mercurial/cmdutil.py
@@ -727,7 +727,11 @@ def tryimportone(ui, repo, hunk, parents
                 n = memctx.commit()
             finally:
                 store.close()
-        if opts.get('exact') and hex(n) != nodeid:
+        if opts.get('exact') and opts.get('no_commit'):
+            # --exact with --no-commit is still useful in that it does merge
+            # and branch bits
+            ui.warn(_("warning: can't check exact import with --no-commit\n"))
+        elif opts.get('exact') and hex(n) != nodeid:
             raise util.Abort(_('patch is damaged or loses information'))
         if n:
             # i18n: refers to a short changeset id
diff --git a/tests/test-impexp-branch.t b/tests/test-impexp-branch.t
--- a/tests/test-impexp-branch.t
+++ b/tests/test-impexp-branch.t
@@ -54,6 +54,14 @@ Make sure import still works with branch
 
   $ hg init c
   $ cd c
+  $ hg import --exact --no-commit ../r0.patch
+  applying ../r0.patch
+  warning: can't check exact import with --no-commit
+  $ hg st
+  A rev
+  $ hg revert -a
+  forgetting rev
+  $ rm rev
   $ hg import --exact ../r0.patch
   applying ../r0.patch
   $ hg import --exact ../r1.patch