Expose version in BASH_COMPLETION_VERSINFO, use it in profile.d script

BASH_COMPLETION_COMPAT_DIR was previously used for the latter purpose.

Author: scop

bash_completion

@@ -22,8 +22,8 @@
 #   The latest version of this software can be obtained here:
 #
 #   https://github.com/scop/bash-completion
-#
-#   RELEASE: 2.5
+
+BASH_COMPLETION_VERSINFO=(2 5)
 
 if [[ $- == *v* ]]; then
     BASH_COMPLETION_ORIGINAL_V_VALUE="-v"

bash_completion.sh.in

@@ -1,5 +1,5 @@
 # Check for interactive bash and that we haven't already been sourced.
-if [ -n "${BASH_VERSION-}" -a -n "${PS1-}" -a -z "${BASH_COMPLETION_COMPAT_DIR-}" ]; then
+if [ -n "${BASH_VERSION-}" -a -n "${PS1-}" -a -z "${BASH_COMPLETION_VERSINFO-}" ]; then
 
     # Check for recent enough version of bash.
     if [ ${BASH_VERSINFO[0]} -gt 4 ] || \