git-svn.perl: fix a false-positive in the "already exists" test

diff --git a/t/t3400-rebase.sh b/t/t3400-rebase.sh
index c3555332366d687d04bfbc031b1be808f3caa802..e647272a01f3ac89e1d08e6b1ffa36a3a543e655 100755 (executable)
--- a/t/t3400-rebase.sh
+++ b/t/t3400-rebase.sh
@@ -218,4 +218,27 @@ test_expect_success 'rebase -m can copy notes' '
        test "a note" = "$(git notes show HEAD)"
 '
 
+test_expect_success 'rebase commit with an ancient timestamp' '
+       git reset --hard &&
+
+       >old.one && git add old.one && test_tick &&
+       git commit --date="@12345 +0400" -m "Old one" &&
+       >old.two && git add old.two && test_tick &&
+       git commit --date="@23456 +0500" -m "Old two" &&
+       >old.three && git add old.three && test_tick &&
+       git commit --date="@34567 +0600" -m "Old three" &&
+
+       git cat-file commit HEAD^^ >actual &&
+       grep "author .* 12345 +0400$" actual &&
+       git cat-file commit HEAD^ >actual &&
+       grep "author .* 23456 +0500$" actual &&
+       git cat-file commit HEAD >actual &&
+       grep "author .* 34567 +0600$" actual &&
+
+       git rebase --onto HEAD^^ HEAD^ &&
+
+       git cat-file commit HEAD >actual &&
+       grep "author .* 34567 +0600$" actual
+'
+
 test_done