t/t5100-mailinfo.sh: use the $( ... ) construct for command substitution

diff --git a/t/t7003-filter-branch.sh b/t/t7003-filter-branch.sh
index 377c648e04f55359eefa87cdf2ad0c06be0df171..869e0bf0735033f66c5cba44d107f799fc07b112 100755 (executable)
--- a/t/t7003-filter-branch.sh
+++ b/t/t7003-filter-branch.sh
@@ -418,4 +418,11 @@ test_expect_success 'filter commit message without trailing newline' '
        test_cmp expect actual
 '
 
+test_expect_success 'tree-filter deals with object name vs pathname ambiguity' '
+       test_when_finished "git reset --hard original" &&
+       ambiguous=$(git rev-list -1 HEAD) &&
+       git filter-branch --tree-filter "mv file.t $ambiguous" HEAD^.. &&
+       git show HEAD:$ambiguous
+'
+
 test_done