# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@logilab.fr>
# Date 1345458308 -7200
# Node ID 3f91654713dde9a7020a5d4599cba14f9fd9865f
# Parent  d38e02332c2cd96d05e7d8d5fd8c9eb8daea53ea
obsolete Move merge failure handling into stabilize code

This violate less Layer. For this purpose we crate an easy to recognize
Exception Class.

diff -r d38e02332c2c -r 3f91654713dd hgext/evolve.py
--- a/hgext/evolve.py	Mon Aug 20 22:18:10 2012 +0200
+++ b/hgext/evolve.py	Mon Aug 20 12:25:08 2012 +0200
@@ -131,6 +131,9 @@
 
     return newid, created
 
+class MergeFailure(util.Abort):
+    pass
+
 def relocate(repo, orig, dest):
     """rewrite <rev> on dest"""
     try:
@@ -152,10 +155,10 @@
         try:
             nodenew = rebase.concludenode(repo, orig.node(), dest.node(),
                                           node.nullid)
-        except util.Abort:
-            repo.ui.write_err(_('/!\\ stabilize failed                          /!\\\n'))
-            repo.ui.write_err(_('/!\\ Their is no "hg stabilize --continue"     /!\\\n'))
-            repo.ui.write_err(_('/!\\ use "hg up -C . ; hg stabilize --dry-run" /!\\\n'))
+        except util.Abort, exc:
+            class LocalMergeFailure(MergeFailure, exc.__class__):
+                pass
+            exc.__class__ = LocalMergeFailure
             raise
         oldbookmarks = repo.nodebookmarks(nodesrc)
         obsolete = extensions.find('obsolete')
@@ -286,6 +289,11 @@
         lock = repo.lock()
         try:
             relocate(repo, node, target)
+        except MergeFailure:
+            repo.ui.write_err(_('/!\\ stabilize failed                          /!\\\n'))
+            repo.ui.write_err(_('/!\\ Their is no "hg stabilize --continue"     /!\\\n'))
+            repo.ui.write_err(_('/!\\ use "hg up -C . ; hg stabilize --dry-run" /!\\\n'))
+            raise
         finally:
             lock.release()