Fix arg ordinals and package sort return.

lib.sh

@@ -1,23 +1,19 @@
-#!/bin/bash
+#!/bin/bash -x
 
 # Sort these packages by name and split on commas.
 function normalize_package_list {
-  stripped="$(echo \"${0}\" | sed 's/,//g')"
+  stripped="$(echo \"${1}\" | sed 's/,//g')"
   # Remove extraneous spaces at the middle, beginning, and end.
   trimmed="$(echo \"${stripped}\" | sed 's/\s\+/ /g; s/^\s\+//g; s/\s\+$//g')"  
-  echo "$(\"${trimmed}\" | sort)"
+  echo "${trimmed}" | sort
 }
 
 # Split fully qualified package into name and version
 function get_package_name_ver {
-  IFS=\= read name ver <<< "${0}"
+  IFS=\= read name ver <<< "${1}"
   # If version not found in the fully qualified package value.
   if test -z "${ver}"; then
     ver="$(grep "Version:" <<< "$(apt show ${name})" | awk '{print $2}')"
   fi
   echo 'package_name="${name}"; package_ver="${ver}"'
 }
-
-function blah {
-  > /dev/null 2>&1
-}