test_expect_success 'write graph' '
cd "$TRASH_DIRECTORY/full" &&
- graph1=$(git commit-graph write) &&
+ git commit-graph write &&
test_path_is_file $objdir/info/commit-graph &&
graph_read_expect "3"
'
orig_size=$(wc -c < $objdir/info/commit-graph) &&
zero_pos=${4:-${orig_size}} &&
printf "$data" | dd of="$objdir/info/commit-graph" bs=1 seek="$pos" conv=notrunc &&
- dd of="$objdir/info/commit-graph" bs=1 seek="$zero_pos" count=0 &&
+ dd of="$objdir/info/commit-graph" bs=1 seek="$zero_pos" if=/dev/null &&
generate_zero_bytes $(($orig_size - $zero_pos)) >>"$objdir/info/commit-graph" &&
corrupt_graph_verify "$grepstr"