Merge branch '165-modbuild-use-bash-from-pmodules-module-2' into '32-overlay-implementation'

Resolve "modbuild: use bash from Pmodules module"

See merge request Pmodules/src!138

Pmodules/modbuild.in

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!@BASH@
 #
 # The following build specific variables are set and used in libpbuild.bash:
 #       ARGS
@@ -34,14 +34,6 @@ source libstd.bash    || {
         echo "Oops: cannot source library -- '$_'" 1>&2; exit 3;
 }
 
-if (( ${BASH_VERSINFO[0]} < 5 )); then
-	std::info "bash >= 5 is required! You are running bash ${BASH_VERSION} ..."
-	std::info "Make sure that bash >= 5 is in your PATH."
-	std::info "bash >= 5 is available as Pmodule:"
-	std::info "  module load System:bash"
-	std::die 3 ""
-fi
-
 std::def_cmds "${path}" \
 	      'awk' 'base64' 'find' 'getopt' 'logger' 'mktemp' \
 	      'rm' 'sort' 'find' 'yq'