untracked-cache: be defensive about missing NULs in index

diff --git a/t/t5552-skipping-fetch-negotiator.sh b/t/t5552-skipping-fetch-negotiator.sh
index 5ad5bece55620138ce76579abb6e76c0710d126d..30857b84a8d5b5fdec59f775ab97293a7da4f2df 100755 (executable)
--- a/t/t5552-skipping-fetch-negotiator.sh
+++ b/t/t5552-skipping-fetch-negotiator.sh
@@ -46,7 +46,7 @@ test_expect_success 'commits with no parents are sent regardless of skip distanc
        test_commit -C server to_fetch &&
 
        git init client &&
-       for i in $(seq 7)
+       for i in $(test_seq 7)
        do
                test_commit -C client c$i
        done &&
@@ -89,7 +89,7 @@ test_expect_success 'when two skips collide, favor the larger one' '
        test_commit -C server to_fetch &&
 
        git init client &&
-       for i in $(seq 11)
+       for i in $(test_seq 11)
        do
                test_commit -C client c$i
        done &&
@@ -168,14 +168,14 @@ test_expect_success 'do not send "have" with ancestors of commits that server AC
        test_commit -C server to_fetch &&
 
        git init client &&
-       for i in $(seq 8)
+       for i in $(test_seq 8)
        do
                git -C client checkout --orphan b$i &&
                test_commit -C client b$i.c0
        done &&
-       for j in $(seq 19)
+       for j in $(test_seq 19)
        do
-               for i in $(seq 8)
+               for i in $(test_seq 8)
                do
                        git -C client checkout b$i &&
                        test_commit -C client b$i.c$j
@@ -205,7 +205,7 @@ test_expect_success 'do not send "have" with ancestors of commits that server AC
 
        # fetch-pack should thus not send any more commits in the b1 branch, but
        # should still send the others (in this test, just check b2).
-       for i in $(seq 0 8)
+       for i in $(test_seq 0 8)
        do
                have_not_sent b1.c$i
        done &&