Added copy() and filter_system_files()

update_psa_helpers

@@ -31,6 +31,47 @@ fetch_customer_updates() {
     return 0
 }
 
+copy () {
+    local func="${FUNCNAME[0]}"
+
+    readarray -td' ' files <<< "$1"
+    for f in ${files[@]}; do
+        if grep -qE "^.*[.]conf.*$" <<< ${f}; then
+            local __f="${psa_config}/${f}"
+            if ! cp ${__f} /etc/psa_config; then
+                log_error "$func:${LINENO}: cannot cp ${__f} /etc/psa_config"
+                return 1
+            fi
+            log_info "$func:${LINENO}: copied $f to /etc/psa_config"
+        # elif grep -qE "^.*[.]ini.*$" <<< ${f}; then
+        #    if ! cp ${f} $psa_ini; then
+        #        return 1
+        #    fi
+        fi
+    done
+
+    log_debug "$func:${LINENO}: copied *conf/*ini-files to system-dirs"
+    return 0;
+}
+    
+filter_system_files () {
+    local func="${FUNCNAME[0]}"
+
+    readarray -td' ' files <<< "$1"
+    local __system_files=""
+    for f in ${files[@]}; do
+        case "$f" in
+            ("emp.conf"|"printer.conf"|"device.conf")
+                __system_files+="${f} "
+                ;;
+        esac    
+    done
+
+    log_debug "$func:${LINENO} system-files=$__system_files"
+    printf '%s' "$__system_files"
+}
+
+
 # Check if the fetched/merged files have the correct md5 and are
 # valid for the PSA.
 #