--- a/tests/test-update-branches.t Fri Feb 10 15:26:03 2017 -0800
+++ b/tests/test-update-branches.t Wed Feb 08 22:12:27 2017 -0800
@@ -177,6 +177,28 @@
$ cd ..
+Test updating to null revision
+
+ $ hg init null-repo
+ $ cd null-repo
+ $ echo a > a
+ $ hg add a
+ $ hg ci -m a
+ $ hg up -qC 0
+ $ echo b > b
+ $ hg add b
+ $ hg up null
+ 0 files updated, 0 files merged, 1 files removed, 0 files unresolved
+ $ hg st
+ A b
+ $ hg up -q 0
+ $ hg st
+ A b
+ $ hg up -qC null
+ $ hg st
+ ? b
+ $ cd ..
+
Test updating with closed head
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