fix: completion of "ve" did not display the plugin 'version'

Author: glhez

bash_completion.bash

@@ -242,11 +242,8 @@ _mvn()
         done
 
     else
-        if echo "${common_lifecycle_phases}" | tr '|' '\n' | \grep -q -e "^${cur}" ; then
-          COMPREPLY=( $(compgen -S ' ' -W "${common_lifecycle_phases}" -- ${cur}) )
-        elif echo "${common_plugins}" | tr '|' '\n' | \grep -q -e "^${cur}"; then
-          COMPREPLY=( $(compgen -S ':' -W "${common_plugins}" -- ${cur}) )
-        fi
+      IFS=$'\n'
+      COMPREPLY=( $( echo "${common_lifecycle_phases}|${common_plugins//|/:|}:" | tr '|' '\n' | \grep -e "^${cur}" ) )
     fi
 
     __ltrim_colon_completions "$cur"