updated kernel.sh lrzsz.sh

scripts/lrzsz.sh

@@ -7,10 +7,18 @@
 lrzsz-build() {
     pkgname=lrzsz
     pkgver=0.12.20
+    srcurl=https://www.ohse.de/uwe/releases/${pkgname}-${pkgver}.tar.gz
     print_info "** Building and installing ${pkgname}"
     [ -d $build/${pkgname} ] && return 0
     mkdir -p $build/${pkgname}
     cd $build/${pkgname}
+    if [ ! -f $root/downloads/${pkgname}-${pkgver}.tar.gz ]; then
+        print_info "** Downloading $srcurl"
+        cd $root/downloads
+        wget $srcurl
+        check $? "download $srcurl"
+        cd -
+    fi
     tar -xf $root/downloads/${pkgname}-${pkgver}.tar.gz
     check $? "Extract ${pkgname}"
     cd ${pkgname}-${pkgver}