Enable passing answer to overwrite question in _upgradePublisher.sh as a flag

_updatePublisher.sh

@@ -9,6 +9,20 @@ if ! type "curl" > /dev/null; then
 	exit 1
 fi
 
+FORCE=false
+
+while :; do
+    case $1 in
+        -f|--force) FORCE=true ;;
+        --)
+            shift
+            break
+            ;;
+        *) break
+    esac
+    shift
+done
+
 publisher="$input_cache_path$publisher_jar"
 if test -f "$publisher"; then
 	echo "IG Publisher FOUND in input-cache"
@@ -31,15 +45,17 @@ else
 	fi
 fi
 
-if "$upgrade"; then
-	message="Overwrite $jarlocation? (Y/N) "
-else
-	echo Will place publisher jar here: "$jarlocation"
-	message="Ok? (Y/N) "
+if [[ "$FORCE" != true ]]; then
+  if "$upgrade"; then
+    message="Overwrite $jarlocation? (Y/N) "
+  else
+    echo Will place publisher jar here: "$jarlocation"
+    message="Ok? (Y/N) "
+  fi
+  read -r -p "$message" response
 fi
 
-read -r -p "$message" response
-if [[ "$response" =~ ^([yY])$ ]]; then
+if [[ "$FORCE" ]] || [[ "$response" =~ ^([yY])$ ]]; then
 	echo "Downloading most recent publisher to $jarlocationname - it's ~100 MB, so this may take a bit"
 #	wget "https://fhir.github.io/latest-ig-publisher/org.hl7.fhir.publisher.jar" -O "$jarlocation" 
 	curl $dlurl -o "$jarlocation" --create-dirs