VARA Downloader - Added support for a VARA helper script to dynamically find and download VARA applications. (Why do Windows users like spaces in filenames?

overlay/etc/skel/add-ons/wine/vara-downloader.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+# Author  : Gaston Gonzalez
+# Date    : 28 February 2025
+# Purpose : Download utility for VARA applications
+
+BASE_HTML_FILE="vara-index.html"
+
+cleanup() {
+  [[ -f "$BASE_HTML_FILE" ]] && rm "${BASE_HTML_FILE}"
+}
+
+trap cleanup EXIT
+
+function usage() {
+  echo "Usage: $(basename $0) <pattern>"
+  echo "  pattern - VARA filename substring pattern to match on" 
+}
+
+if [ $# -ne 1 ]; then
+  usage
+  exit 1
+fi
+
+FILENAME_PATTERN="$1"
+BASE_URL="https://downloads.winlink.org"
+INDEX_URL="${BASE_URL}/VARA%20Products/"
+
+# 1. Fetch main VARA download page as HTML
+curl -s -f -L -o ${BASE_HTML_FILE} ${INDEX_URL}
+[[ $? -ne 0 ]] && et-log "Error fetching VARA index page: ${BASE_URL}" && exit 1
+
+# 2. Extract all links from index page
+VARA_FILE_PATH=$(cat ${BASE_HTML_FILE} | pup 'a attr{href}' | grep "${FILENAME_PATTERN}")
+[[ $? -ne 0 ]] && et-log "Error finding VARA file matching specified pattern" && exit 1
+
+
+#3. Check for multiple matches
+if [[ "${VARA_FILE_PATH}" =~ [[:space:]] ]]; then
+ echo -e "\n${VARA_FILE_PATH}\n"
+ et-log "Multiple files matched. Try again with a more specific pattern."
+ exit 1
+fi
+
+FULL_URL="${BASE_URL}${VARA_FILE_PATH}"
+et-log "Found ${VARA_FILE_PATH}"
+et-log "Downloading: ${FULL_URL}"
+
+curl -s -f -L -O "${FULL_URL}"
+exit $?