diff --git a/update_psa_impl b/update_psa_impl
index 479e47d..bc212e7 100755
--- a/update_psa_impl
+++ b/update_psa_impl
@@ -35,6 +35,9 @@ update_psa() {
         exit $?
     fi
 
+    rm -f "$OPKG_CMDS_TMP"
+    rm -f "$GIT_PULL_TMP"
+
     update_psa_activated    # message to ISMAS
             
     local try_update_count=0
@@ -73,62 +76,76 @@ update_psa() {
 
     # no backup necessary as saved in git-repo
     
-    local changed_files=$(changed_file_names)
-    
-    if ! check_hardware_compatibility "$files_to_copy" ; then
-        local __r=$?
-        log_error "$func:${LINENO}: json/ini-files not fit for PSA"
-        revert_customer_repository
-        exit $__r
+    # local changed_files=$(changed_file_names)
+   
+    if [[ ! -z $GIT_PULL_TMP ]]; then 
+        # TODO
+        if ! check_hardware_compatibility "$files_to_copy" ; then
+            local __r=$?
+            log_error "$func:${LINENO}: json/ini-files not fit for PSA"
+            revert_customer_repository
+            exit $__r
+        fi
     fi
-        
-    # check if the opkg-command-file has been changed during 'git pull'
-    if grep -qE ".*opkg_commands.*?" <<< $changed_files; then
-        # read opkg_cmds: each line respresents an opkg-command
-        readarray opkg_commands < <(cat $OPKG_CMDS_PSA_FILE)
-        for opkg_c in "${opkg_commands[@]}"; do
-            if grep -qE "^\s*[#]+.*$" <<< $opkg_c; then
-                continue    # found comment line
-            fi
 
-            # package manipulation commands without package:
-            local cwp="update|upgrade|clean"
-            # informational commands without package:
-            cwp="${cwp}|list|list-installed|list-upgradable"
-
-            if grep -qE "^.*\s+($cwp)\s+.*$" <<< $opkg_c; then
-                local p=$(printf '%s' "$opkg_c" | awk '{ print $NF }')
-                local opkg_output=()
-                if ! exec_opkg_info "$p" opkg_output; then
-                    log_error "$func:${LINENO}: opkg info $opkg_c failed"
-                    revert_customer_repository ; exit 1
-                fi
-
-                if ! check_md5_for_opkg_packages opkg_output; then
-                    log_error "$func:${LINENO}: "\
-                        "wrong md5sum for opkg packages"
-                    revert_customer_repository ; exit 1
-                fi
-            fi
-            
-            # perform a dry-run and check if everything might work as expected. 
-            if ! exec_opkg_noaction $opkg_c; then
-                    log_error "$func:${LINENO}: "\
-                        "opkg --noaction $opkg_c failed"
-            fi
-
-            # Actually execute the opkg command
-            if ! exec_opkg $opkg_c; then
-                log_error "$func:${LINENO}: exec_opkg $opkg_c failed"
-                fallback_to_previous_version
-                revert_customer_repository ; exit 1
-            fi
-        done
+    if [[ ! -z "$OPKG_CMDS_TMP" ]]; then
+        local commands="$(cat ${OPKG_CMDS_TMP} | tr '\n' '; ')"
+        log_info "$func:${LINENO}: executed opkg commands"
+        update_psa_install_opkg_packages $UPDATE_ISMAS_PROGRESS \
+            $RC_SUCCESS "$commands"
     else
         log_info "$func:${LINENO}: no opkg commands to execute"
         update_psa_install_opkg_packages $UPDATE_ISMAS_PROGRESS \
-                $RC_SUCCESS "no opkg commands to execute"
+            $RC_SUCCESS "no opkg commands to execute"
     fi
+        
+    # check if the opkg-command-file has been changed during 'git pull'
+    #if grep -qE ".*opkg_commands.*?" <<< $changed_files; then
+    #    # read opkg_cmds: each line respresents an opkg-command
+    #    readarray opkg_commands < <(cat $OPKG_CMDS_PSA_FILE)
+    #    for opkg_c in "${opkg_commands[@]}"; do
+    #        if grep -qE "^\s*[#]+.*$" <<< $opkg_c; then
+    #            continue    # found comment line
+    #        fi
+
+    #        # package manipulation commands without package:
+    #        local cwp="update|upgrade|clean"
+    #        # informational commands without package:
+    #        cwp="${cwp}|list|list-installed|list-upgradable"
+
+    #        if grep -qE "^.*\s+($cwp)\s+.*$" <<< $opkg_c; then
+    #            local p=$(printf '%s' "$opkg_c" | awk '{ print $NF }')
+    #            local opkg_output=()
+    #            if ! exec_opkg_info "$p" opkg_output; then
+    #                log_error "$func:${LINENO}: opkg info $opkg_c failed"
+    #                revert_customer_repository ; exit 1
+    #            fi
+
+    #            if ! check_md5_for_opkg_packages opkg_output; then
+    #                log_error "$func:${LINENO}: "\
+    #                    "wrong md5sum for opkg packages"
+    #                revert_customer_repository ; exit 1
+    #            fi
+    #        fi
+    #        
+    #        # perform a dry-run and check if everything might work as expected. 
+    #        if ! exec_opkg_noaction $opkg_c; then
+    #                log_error "$func:${LINENO}: "\
+    #                    "opkg --noaction $opkg_c failed"
+    #        fi
+
+    #        # Actually execute the opkg command
+    #        if ! exec_opkg $opkg_c; then
+    #            log_error "$func:${LINENO}: exec_opkg $opkg_c failed"
+    #            fallback_to_previous_version
+    #            revert_customer_repository ; exit 1
+    #        fi
+    #    done
+    #else
+    #    log_info "$func:${LINENO}: no opkg commands to execute"
+    #    update_psa_install_opkg_packages $UPDATE_ISMAS_PROGRESS \
+    #            $RC_SUCCESS "no opkg commands to execute"
+    #fi
     
     # Cleanup.
     #if ! cleanup_previous_version; then