@@ -1621,14 +1621,38 @@ function disable_all_services {

 # Uses global ``ENABLED_SERVICES``

 # disable_negated_services

 function disable_negated_services {

-    local tmpsvcs="${ENABLED_SERVICES}"

+    local to_remove=""

+    local remaining=""

+    local enabled=""

     local service

-    for service in ${tmpsvcs//,/ }; do

+

+    # build up list of services that should be removed; i.e. they

+    # begin with "-"

+    for service in ${ENABLED_SERVICES//,/ }; do

         if [[ ${service} == -* ]]; then

-            tmpsvcs=$(echo ${tmpsvcs}|sed -r "s/(,)?(-)?${service#-}(,)?/,/g")

+            to_remove+=",${service#-}"

+        else

+            remaining+=",${service}"

         fi

     done

-    ENABLED_SERVICES=$(_cleanup_service_list "$tmpsvcs")

+

+    # go through the service list.  if this service appears in the "to

+    # be removed" list, drop it

+    for service in ${remaining//,/ }; do

+        local remove

+        local add=1

+        for remove in ${to_remove//,/ }; do

+            if [[ ${remove} == ${service} ]]; then

+                add=0

+                break

+            fi

+        done

+        if [[ $add == 1 ]]; then

+            enabled="${enabled},$service"

+        fi

+    done

+

+    ENABLED_SERVICES=$(_cleanup_service_list "$enabled")

 }

 # disable_service() removes the services passed as argument to the

@@ -130,7 +130,15 @@ test_disable_negated_services 'a,-a' ''

 test_disable_negated_services 'b,a,-a' 'b'

 test_disable_negated_services 'a,b,-a' 'b'

 test_disable_negated_services 'a,-a,b' 'b'

-

+test_disable_negated_services 'a,aa,-a' 'aa'

+test_disable_negated_services 'aa,-a' 'aa'

+test_disable_negated_services 'a_a, -a_a' ''

+test_disable_negated_services 'a-b, -a-b' ''

+test_disable_negated_services 'a-b, b, -a-b' 'b'

+test_disable_negated_services 'a,-a,av2,b' 'av2,b'

+test_disable_negated_services 'a,aa,-a' 'aa'

+test_disable_negated_services 'a,av2,-a,a' 'av2'

+test_disable_negated_services 'a,-a,av2' 'av2'

 echo "Testing is_package_installed()"