revision: implement sparse algorithm

diff --git a/t/t2010-checkout-ambiguous.sh b/t/t2010-checkout-ambiguous.sh
index 87bdf9c96bfacf4ac921ad9b195db46d9c3b079a..2e47fe01cfaf565777c9359e7c2675ef051c33e3 100755 (executable)
--- a/t/t2010-checkout-ambiguous.sh
+++ b/t/t2010-checkout-ambiguous.sh
@@ -41,6 +41,15 @@ test_expect_success 'check ambiguity' '
        test_must_fail git checkout world all
 '
 
+test_expect_success 'check ambiguity in subdir' '
+       mkdir sub &&
+       # not ambiguous because sub/world does not exist
+       git -C sub checkout world ../all &&
+       echo hello >sub/world &&
+       # ambiguous because sub/world does exist
+       test_must_fail git -C sub checkout world ../all
+'
+
 test_expect_success 'disambiguate checking out from a tree-ish' '
        echo bye > world &&
        git checkout world -- world &&
@@ -49,7 +58,7 @@ test_expect_success 'disambiguate checking out from a tree-ish' '
 
 test_expect_success 'accurate error message with more than one ref' '
        test_must_fail git checkout HEAD master -- 2>actual &&
-       grep 2 actual &&
+       test_i18ngrep 2 actual &&
        test_i18ngrep "one reference expected, 2 given" actual
 '