update all scripts

scripts/busybox.sh

@@ -10,10 +10,20 @@
 
 #----------- Building busybox for rootfs ----------
 busybox_rootfs() {
+    pkgname=busybox
+    pkgver=${BUSYBOX_VERSION}
+    srcurl=https://busybox.net/downloads/${pkgname}-${pkgver}.tar.bz2
     print_info "** Building busybox for rootfs"
     [ -d $build/busybox ] && return 0
     mkdir -p $build/busybox
     cd $build/busybox
+    if [ ! -f $root/downloads/${pkgname}-${pkgver}.tar.bz2 ]; then
+        print_info "** Downloading $srcurl"
+        cd $root/downloads
+        wget $srcurl
+        check $? "download $srcurl"
+        cd -
+    fi
     tar -xjf $root/downloads/busybox-${BUSYBOX_VERSION}.tar.bz2
     cd busybox-${BUSYBOX_VERSION}
     sed -i 's/|| ctx->process_block == sha1_process_block64_shaNI/|| ctx->process_block == sha1_process_block64/' libbb/hash_md5_sha.c