--- a/mercurial/localrepo.py Sun Dec 16 23:13:02 2012 +0200
+++ b/mercurial/localrepo.py Sat Dec 15 20:08:13 2012 +0200
@@ -895,6 +895,7 @@
return 0
parents = self.dirstate.parents()
+ self.destroying()
transaction.rollback(self.sopener, self.sjoin('undo'), ui.warn)
if os.path.exists(self.join('undo.bookmarks')):
util.rename(self.join('undo.bookmarks'),
@@ -1379,6 +1380,20 @@
lock.release()
@unfilteredmethod
+ def destroying(self):
+ '''Inform the repository that nodes are about to be destroyed.
+ Intended for use by strip and rollback, so there's a common
+ place for anything that has to be done before destroying history.
+
+ This is mostly useful for saving state that is in memory and waiting
+ to be flushed when the current lock is released. Because a call to
+ destroyed is imminent, the repo will be invalidated causing those
+ changes to stay in memory (waiting for the next unlock), or vanish
+ completely.
+ '''
+ pass
+
+ @unfilteredmethod
def destroyed(self, newheadnodes=None):
'''Inform the repository that nodes have been destroyed.
Intended for use by strip and rollback, so there's a common
--- a/mercurial/repair.py Sun Dec 16 23:13:02 2012 +0200
+++ b/mercurial/repair.py Sat Dec 15 20:08:13 2012 +0200
@@ -61,6 +61,7 @@
# have to consider the effect of the stripped revisions and not revisions
# missing because the cache is out-of-date.
branchmap.updatecache(repo)
+ repo.destroying()
cl = repo.changelog
# TODO handle undo of merge sets