[PATCHv2 1/2] git-p4: demonstrate `unshelve` bug

[Luke Diamand <luke@diamand.org>]

`git-p4 unshelve` uses HEAD^$n to find the parent commit, which
fails if there is an additional commit. Augment the tests to demonstrate
this problem.

Signed-off-by: Luke Diamand <luke@diamand.org>
---
 t/t9832-unshelve.sh | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/t/t9832-unshelve.sh b/t/t9832-unshelve.sh
index e9276c48f4..feda4499dd 100755
--- a/t/t9832-unshelve.sh
+++ b/t/t9832-unshelve.sh
@@ -29,8 +29,11 @@ test_expect_success 'init depot' '
 	)
 '
 
+# Create an initial clone, with a commit unrelated to the P4 change
+# on HEAD
 test_expect_success 'initial clone' '
-	git p4 clone --dest="$git" //depot/@all
+	git p4 clone --dest="$git" //depot/@all &&
+    test_commit -C "$git" "unrelated"
 '
 
 test_expect_success 'create shelved changelist' '
@@ -77,7 +80,7 @@ EOF
 	)
 '
 
-test_expect_success 'update shelved changelist and re-unshelve' '
+test_expect_failure 'update shelved changelist and re-unshelve' '
 	test_when_finished cleanup_git &&
 	(
 		cd "$cli" &&
-- 
2.20.1.390.gb5101f9297