build_windows: add -h and -k flags

build_windows.sh

 #!/bin/bash
 
+usage="$(basename "$0") [-h] [-k] -- build a netpd bundle for Windows
+
+where:
+    -h|--help         show this help text
+    -k|--skip-upload  do not upload resulting app bundle"
+
+SKIP_UPLOAD=false
+POSITIONAL_ARGS=()
+
+while [[ $# -gt 0 ]]; do
+  case $1 in
+    -h|--help)
+      echo "$usage"
+      exit 0
+      shift
+      ;;
+    -k|--skip-upload)
+      SKIP_UPLOAD=true
+      shift
+      ;;
+    -*|--*)
+      echo "Unknown option $1"
+      exit 1
+      ;;
+    *)
+      POSITIONAL_ARGS+=("$1") # save positional arg
+      shift # past argument
+      ;;
+  esac
+done
+
 app_name="netpd"
 package_version=$(date +%Y-%m-%d)
 src_url="https://github.com/reduzent/netpd"
 
 # Pd
-pd_archive_file=~/Downloads/pd-0.51-4.msw.zip
+pd_archive_file=~/Downloads/pd-0.52-1.msw.zip
 
 # Libraries
 ext_urls=()
-ext_urls+=("http://puredata.info/Members/rdz/software/binfile/0.1~git20181006/binfile%5Bv0.1~git20181006%5D(Windows-amd64-32).dek")
-ext_urls+=("http://puredata.info/Members/porres/software/else/1.0-0_beta37_with_live_electronics_tutorial/else%5Bv1.0-0_beta37_with_live_electronics_tutorial%5D(Windows-amd64-32).dek")
 ext_urls+=("http://puredata.info/Members/musil/software/iemlib/1.22/iemlib%5Bv1.22%5D(Darwin-amd64-32)(Darwin-i386-32)(Linux-amd64-32)(Windows-amd64-32)(Windows-i386-32)(Sources).dek")
 ext_urls+=("http://puredata.info/Members/zmoelnigbot/software/iemnet/0.3.0/iemnet%5Bv0.3.0%5D(Darwin-amd64-32)(Linux-amd64-32)(Linux-arm64-32)(Linux-armv7-32)(Linux-i386-32)(Windows-amd64-32)(Windows-i386-32).dek")
 ext_urls+=("http://puredata.info/Members/rdz/software/osc/0.2~git20181006/osc%5Bv0.2~git20181006%5D(Windows-amd64-32).dek")
 ext_urls+=("http://puredata.info/Members/rdz/software/slip/0.1~git20181006/slip%5Bv0.1~git20181006%5D(Windows-amd64-32).dek")
-ext_urls+=("http://puredata.info/Members/zmoelnigbot/software/zexy/2.3.1/zexy%5Bv2.3.1%5D(Darwin-amd64-32)(Linux-amd64-32)(Linux-arm64-32)(Linux-armv7-32)(Linux-i386-32)(Windows-amd64-32)(Windows-i386-32).dek")
 ext_urls+=("https://puredata.info/downloads/kiosk-plugin/releases/1.0/kiosk-plugin.zip")
 
 # workdir
@@ -91,15 +119,20 @@ app_version=$(sed -n 's|^\#X text [0-9][0-9]* [0-9][0-9]* VERSION \(.*\);|\1|p'
   # create archive
   zip -q -r "${app_name}-${app_version}-windows-${package_version}.zip" "${app_name}-${app_version}"
 
-  # upload bundle
-  scp -q "${app_name}-${app_version}-windows-${package_version}.zip" all@netpd.org:public_html/software/
+  if  $SKIP_UPLOAD; then
+    # clean up workdir only
+    rm -rf "${app_name}-${app_version}" || fail
+  else
+    # upload bundle
+    scp -q "${app_name}-${app_version}-windows-${package_version}.zip" all@netpd.org:public_html/software/
 
-  # clean up
-  rm -rf "${app_name}-${app_version}" "${app_name}-${app_version}-windows-${package_version}.zip"
+    # clean up
+    rm -rf "${app_name}-${app_version}" "${app_name}-${app_version}-windows-${package_version}.zip"
 
-  # create shortcut to latest
-  ssh all@netpd.org ln -f -s "${app_name}-${app_version}-windows-${package_version}.zip" "public_html/software/${app_name}-${app_version}-windows.zip" || fail
+    # create shortcut to latest
+    ssh all@netpd.org ln -f -s "${app_name}-${app_version}-windows-${package_version}.zip" "public_html/software/${app_name}-${app_version}-windows.zip" || fail
 
-  # update redirect target in .htaccess
-  ssh all@netpd.org sed -i "1s/[0-9]\.[0-9]\.[0-9]/${app_version}/" public_html/software/.htaccess || fail
+    # update redirect target in .htaccess
+    ssh all@netpd.org sed -i "1s/[0-9]\.[0-9]\.[0-9]/${app_version}/" public_html/software/.htaccess || fail
+  fi
 )