perf: add test showing exponential growth in path globbing

diff --git a/t/t7413-submodule-is-active.sh b/t/t7413-submodule-is-active.sh
index ea1644b58056931f041f40ededbb78563d5b8fda..9c785b07ec241440c64beed917ba248b1092b43a 100755 (executable)
--- a/t/t7413-submodule-is-active.sh
+++ b/t/t7413-submodule-is-active.sh
@@ -15,6 +15,12 @@ test_expect_success 'setup' '
        test_commit -C super initial &&
        git -C super submodule add ../sub sub1 &&
        git -C super submodule add ../sub sub2 &&
+
+       # Remove submodule.<name>.active entries in order to test in an
+       # environment where only URLs are present in the conifg
+       git -C super config --unset submodule.sub1.active &&
+       git -C super config --unset submodule.sub2.active &&
+
        git -C super commit -a -m "add 2 submodules at sub{1,2}"
 '
 
@@ -83,4 +89,19 @@ test_expect_success 'is-active with submodule.active and submodule.<name>.active
        git -C super submodule--helper is-active sub2
 '
 
+test_expect_success 'is-active, submodule.active and submodule add' '
+       test_when_finished "rm -rf super2" &&
+       git init super2 &&
+       test_commit -C super2 initial &&
+       git -C super2 config --add submodule.active "sub*" &&
+
+       # submodule add should only add submodule.<name>.active
+       # to the config if not matched by the pathspec
+       git -C super2 submodule add ../sub sub1 &&
+       test_must_fail git -C super2 config --get submodule.sub1.active &&
+
+       git -C super2 submodule add ../sub mod &&
+       git -C super2 config --get submodule.mod.active
+'
+
 test_done