fix hugo install force option

all/modules/install/hugo-install.func

@@ -22,6 +22,9 @@ EFILE=""
 # c - use 'hugoe' as the install command for extended version otherwise 'hugo' will launch extended version
 # f - force download/overwrite of same version
 
+declare OPTION
+declare OPTARG
+declare OPTIND
 
 while getopts 'ecf' OPTION; do
   case "$OPTION" in
@@ -74,7 +77,7 @@ if [ -z "$NEW_VERSION" ]; then
   exit 1
 fi
 
-if ! [ $NEW_VERSION = $CUR_VERSION ] || [ $FORCE = true ]; then
+[[ $NEW_VERSION = $CUR_VERSION ]] && [[ $FORCE = false ]]  && echo Latest version already installed at $BIN_PATH && return 0
 
 pushd /tmp/ > /dev/null
 
@@ -120,6 +123,7 @@ rm $TARBALL
 echo Installing hugo `[ $EXTENDED == true ] && echo "extended"` as hugo$EFILE
 
 BIN_PATH="$(which hugo$EFILE)"
+
 if [ -z "$BIN_PATH" ]; then
   printf "WARNING: Installed Hugo Binary in $BIN_DIR is not in your environment path\nPATH=$PATH\n"
 else
@@ -132,8 +136,4 @@ else
   fi
 fi
 
-else
-  echo Latest version already installed at $BIN_PATH
-fi
-
 }