+# Using mcopy -s ... is using READDIR(3) to iterate through the directory
+# entries, hence they end up in the FAT filesystem in traversal order which
+# breaks reproducibility.
+# Implement recursive copy with reproducible order.
+dos_dircopy() {
+ local entry
+ local baseentry
+ for entry in "$1"/* ; do
+ if [ -f "$entry" ]; then
+ mcopy -i "$OUTPUT.kernel" "$entry" ::"$2"
+ elif [ -d "$entry" ]; then
+ baseentry="$(basename "$entry")"
+ mmd -i "$OUTPUT.kernel" ::"$2""$baseentry"
+ dos_dircopy "$entry" "$2""$baseentry"/
+ fi
+ done
+}
+