t6013: replace use of 'tac' with equivalent Perl

diff --git a/t/t0050-filesystem.sh b/t/t0050-filesystem.sh
index 0e33c4bdc7062015fa94c15cf4cc2ba558eeef72..b177174ef53e7689cc8c18b134afdbe90be72744 100755 (executable)
--- a/t/t0050-filesystem.sh
+++ b/t/t0050-filesystem.sh
@@ -43,7 +43,7 @@ test_expect_success "detection of case insensitive filesystem during repo init"
 else
 test_expect_success "detection of case insensitive filesystem during repo init" '
 
-       ! git config --bool core.ignorecase >/dev/null ||
+       test_must_fail git config --bool core.ignorecase >/dev/null ||
        test $(git config --bool core.ignorecase) = false
 '
 fi
@@ -72,6 +72,8 @@ $test_case 'rename (case change)' '
 
 $test_case 'merge (case change)' '
 
+       rm -f CamelCase &&
+       rm -f camelcase &&
        git reset --hard initial &&
        git merge topic