make sure downloaded files exist even if empty

install.sh

@@ -44,6 +44,7 @@ detect_http_get()
 dap_dl()
 {
   $http_get $http_opts $http_out "$2" "$1"
+  touch "$2"
 }
 
 dap_dl_bash()

update-packages.sh

@@ -3,7 +3,7 @@
 set -e
 set -u
 
-pushd $(cd $(dirname ${0}) && pwd)/packages/assets
+pushd $(dirname $(realpath ${0}))/packages/assets
 
 OAUTH3_GIT_URL="https://git.daplie.com/Oauth3/oauth3.js.git"
 git clone ${OAUTH3_GIT_URL} org.oauth3 || true