D1249: rebase: rerun a rebase on-disk if IMM merge conflicts arise

phillco (Phil Cohen) phabricator at mercurial-scm.org
Thu Dec 7 16:23:34 EST 2017


phillco updated this revision to Diff 4195.
Herald added a subscriber: mercurial-devel.
Herald added a reviewer: hg-reviewers.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D1249?vs=3122&id=4195

REVISION DETAIL
  https://phab.mercurial-scm.org/D1249

AFFECTED FILES
  hgext/rebase.py

CHANGE DETAILS

diff --git a/hgext/rebase.py b/hgext/rebase.py
--- a/hgext/rebase.py
+++ b/hgext/rebase.py
@@ -646,6 +646,25 @@
     cmdutil.formatteropts,
     _('[-s REV | -b REV] [-d REV] [OPTION]'))
 def rebase(ui, repo, **opts):
+    if opts.get('continue') or opts.get('abort'):
+        # in-memory rebase is not compatible with resuming rebases.
+        opts['inmemory'] = False
+
+    if opts.get('inmemory', False):
+        try:
+            # in-memory merge doesn't support conflicts, so if we hit any, abort
+            # and re-run as an on-disk merge.
+            return _origrebase(ui, repo, **opts)
+        except error.InMemoryMergeConflictsError as e:
+            ui.warn(_('hit merge conflicts; re-running rebase without in-memory'
+                      ' merge\n'))
+            _origrebase(ui, repo, **{'abort': True})
+            opts['inmemory'] = False
+            return _origrebase(ui, repo, **opts)
+    else:
+        return _origrebase(ui, repo, **opts)
+
+def _origrebase(ui, repo, **opts):
     """move changeset (and descendants) to a different branch
 
     Rebase uses repeated merging to graft changesets from one part of



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