[Updated] D11788: dirstate: do no use `set_clean` in revert

[marmoute (Pierre-Yves David)]

Closed by commit rHG9f1b9e128788: dirstate: do no use `set_clean` in revert (authored by marmoute).
This revision was automatically updated to reflect the committed changes.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D11788?vs=31227&id=31250

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D11788/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D11788

AFFECTED FILES
  mercurial/cmdutil.py
  mercurial/dirstate.py
  tests/test-revert.t
  tests/test-win32text.t

CHANGE DETAILS

diff --git a/tests/test-win32text.t b/tests/test-win32text.t
--- a/tests/test-win32text.t
+++ b/tests/test-win32text.t
@@ -418,6 +418,7 @@
   $ hg revert -a
   reverting linefeed
   $ hg st -q
+  M linefeed (known-bad-output !)
   $ cat linefeed
   % just linefeed\r (esc)
 
diff --git a/tests/test-revert.t b/tests/test-revert.t
--- a/tests/test-revert.t
+++ b/tests/test-revert.t
@@ -320,7 +320,7 @@
 
   $ hg mv --force a b/b
   $ hg revert b/b
-  $ hg status a b/b
+  $ hg status a b/b --copies
 
   $ cd ..
 
diff --git a/mercurial/dirstate.py b/mercurial/dirstate.py
--- a/mercurial/dirstate.py
+++ b/mercurial/dirstate.py
@@ -452,19 +452,24 @@
         return self._map.copymap
 
     @requires_no_parents_change
-    def set_tracked(self, filename):
+    def set_tracked(self, filename, reset_copy=False):
         """a "public" method for generic code to mark a file as tracked
 
         This function is to be called outside of "update/merge" case. For
         example by a command like `hg add X`.
 
+        if reset_copy is set, any existing copy information will be dropped.
+
         return True the file was previously untracked, False otherwise.
         """
         self._dirty = True
         entry = self._map.get(filename)
         if entry is None or not entry.tracked:
             self._check_new_tracked_filename(filename)
-        return self._map.set_tracked(filename)
+        pre_tracked = self._map.set_tracked(filename)
+        if reset_copy:
+            self._map.copymap.pop(filename, None)
+        return pre_tracked
 
     @requires_no_parents_change
     def set_untracked(self, filename):
diff --git a/mercurial/cmdutil.py b/mercurial/cmdutil.py
--- a/mercurial/cmdutil.py
+++ b/mercurial/cmdutil.py
@@ -3646,15 +3646,14 @@
         prntstatusmsg(b'drop', f)
         repo.dirstate.set_untracked(f)
 
-    normal = None
-    if node == parent:
-        # We're reverting to our parent. If possible, we'd like status
-        # to report the file as clean. We have to use normallookup for
-        # merges to avoid losing information about merged/dirty files.
-        if p2 != repo.nullid:
-            normal = repo.dirstate.set_tracked
-        else:
-            normal = repo.dirstate.set_clean
+    # We are reverting to our parent. If possible, we had like `hg status`
+    # to report the file as clean. We have to be less agressive for
+    # merges to avoid losing information about copy introduced by the merge.
+    # This might comes with bugs ?
+    reset_copy = p2 == repo.nullid
+
+    def normal(filename):
+        return repo.dirstate.set_tracked(filename, reset_copy=reset_copy)
 
     newlyaddedandmodifiedfiles = set()
     if interactive:
@@ -3749,9 +3748,6 @@
             checkout(f)
             repo.dirstate.set_tracked(f)
 
-    normal = repo.dirstate.set_tracked
-    if node == parent and p2 == repo.nullid:
-        normal = repo.dirstate.set_clean
     for f in actions[b'undelete'][0]:
         if interactive:
             choice = repo.ui.promptchoice(



To: marmoute, #hg-reviewers, Alphare
Cc: Alphare, mercurial-patches
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