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changeset 1834:cb5edd4b160c

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split: avoid trying to split an empty commit (issue5191)
author Philippe Pepiot <philippe.pepiot@logilab.fr>
date Sat, 08 Oct 2016 15:49:12 +0200
parents 5383671ef612
children 299cdaa24fa5
files hgext/evolve.py tests/test-split.t
diffstat 2 files changed, 13 insertions(+), 5 deletions(-) [+]
line wrap: on
line diff
--- a/hgext/evolve.py
+++ b/hgext/evolve.py
@@ -2932,11 +2932,12 @@
             else:
                 ui.status(_("no more change to split\n"))
 
-        tip = repo[newcommits[-1]]
-        bmupdate(tip.node())
-        if bookactive is not None:
-            bmactivate(repo, bookactive)
-        obsolete.createmarkers(repo, [(repo[r], newcommits)])
+        if newcommits:
+            tip = repo[newcommits[-1]]
+            bmupdate(tip.node())
+            if bookactive is not None:
+                bmactivate(repo, bookactive)
+            obsolete.createmarkers(repo, [(repo[r], newcommits)])
         tr.close()
     finally:
         lockmod.release(tr, lock, wlock)
--- a/tests/test-split.t
+++ b/tests/test-split.t
@@ -378,3 +378,10 @@
   (use either `hg split <rs>` or `hg split --rev <rs>`, not both)
   [255]
 
+Split empty commit (issue5191)
+  $ hg branch new-branch
+  marked working directory as branch new-branch
+  (branches are permanent and global, did you want a bookmark?)
+  $ hg commit -m "empty"
+  $ hg split
+  0 files updated, 0 files merged, 0 files removed, 0 files unresolved