api: remove_repofile_if_unused remove single space requirement afte…

…r field colon

it is convention to follow a field separator colon by a space and then the package name but the specification allows for no space or any number of spaces or tab characters

api

@@ -283,9 +283,9 @@ remove_repofile_if_unused() { #Given a sources.list.d file, delete it if nothing
       # determine what uri, suite, and components are in a file
       #each stanza can only have one matching section. if there are multiple matches the last one is used
       #case should be ignored for fields
-      local uri="$(sed -n "$line_start","$line_end"p  "$file" | grep -v '^#' | grep -i '^URIs: ' | sed 's/URIs: //Ig' | tail -1)"
-      local suites="$(sed -n "$line_start","$line_end"p "$file" | grep -v '^#' | grep -i '^Suites: ' | sed 's/Suites: //Ig' | tail -1)"
-      local components="$(sed -n "$line_start","$line_end"p "$file" | grep -v '^#' | grep -i '^Components: ' | sed 's/Components: //Ig' | tail -1)"
+      local uri="$(sed -n "$line_start","$line_end"p  "$file" | grep -v '^#' | grep -i '^URIs:' | sed 's/URIs://Ig' | awk '{print $1}' | tail -1)"
+      local suites="$(sed -n "$line_start","$line_end"p "$file" | grep -v '^#' | grep -i '^Suites:' | sed 's/Suites://Ig' | awk '{print $1}' | tail -1)"
+      local components="$(sed -n "$line_start","$line_end"p "$file" | grep -v '^#' | grep -i '^Components:' | sed 's/Components://Ig' | awk '{print $1}' | tail -1)"
       local IFS=' '
       for suite in $suites ;do
         if [ -z "$components" ]; then