t4012: use 'printf' instead of 'dd' to generate a binary file

diff --git a/t/t4012-diff-binary.sh b/t/t4012-diff-binary.sh
index 7b0e759c74bac0fbff2a4bd7ec4c6f92df70e2c0..077870e95dda56b47d8cad2516402ab78a8d0c55 100755 (executable)
--- a/t/t4012-diff-binary.sh
+++ b/t/t4012-diff-binary.sh
@@ -131,7 +131,7 @@ cat >expect <<EOF
 EOF
 
 test_expect_success 'diff --stat with binary files and big change count' '
-       echo X | dd of=binfile bs=1k seek=1 &&
+       printf "\01\00%1024d" 1 >binfile &&
        git add binfile &&
        i=0 &&
        while test $i -lt 10000; do