Fis systemd support on debian system version 13 (trixie) or newer.

create-update-postfix-pcre-chek-files.sh

@@ -115,9 +115,11 @@ DEFAULT_ADMIN_EMAIL="argus@oopen.de"
 
 # - Is this a systemd system?
 # -
-if [[ "X`which systemd`" = "X" ]]; then
 systemd_exists=false
-else
+systemd=$(which systemd)
+systemctl=$(which systemctl)
+
+if [[ -n "$systemd" ]] || [[ -n "$systemctl" ]] ; then
    systemd_exists=true
 fi
 

install_amavis.sh

@@ -154,9 +154,11 @@ QUARANTINE_ADMIN=$DEFAULT_QUARANTINE_ADMIN
 
 # - Is this a systemd system?
 # -
-if [[ "X`which systemd`" = "X" ]]; then
 systemd_exists=false
-else
+systemd=$(which systemd)
+systemctl=$(which systemctl)
+
+if [[ -n "$systemd" ]] || [[ -n "$systemctl" ]] ; then
    systemd_exists=true
 fi
 

install_opendkim.sh

@@ -94,9 +94,11 @@ echo_skipped() {
 
 # - Is 'systemd' supported on this system
 # -
-if [ "X`which systemd`" = "X" ]; then
 SYSTEMD_EXISTS=false
-else
+systemd=$(which systemd)
+systemctl=$(which systemctl)
+
+if [[ -n "$systemd" ]] || [[ -n "$systemctl" ]] ; then
    SYSTEMD_EXISTS=true
 fi
 

install_opendmarc.sh

@@ -116,9 +116,11 @@ echo_skipped() {
 
 # - Is 'systemd' supported on this system
 # -
-if [ "X`which systemd`" = "X" ]; then
 SYSTEMD_EXISTS=false
-else
+systemd=$(which systemd)
+systemctl=$(which systemctl)
+
+if [[ -n "$systemd" ]] || [[ -n "$systemctl" ]] ; then
    SYSTEMD_EXISTS=true
 fi
 

install_postfix_advanced.sh

@@ -136,9 +136,11 @@ DEFAULT_INSTALL_DMARC_REPORT_SUPPORT=false
 
 # - Is this a systemd system?
 # -
-if [[ "X`which systemd`" = "X" ]]; then
 systemd_exists=false
-else
+systemd=$(which systemd)
+systemctl=$(which systemctl)
+
+if [[ -n "$systemd" ]] || [[ -n "$systemctl" ]] ; then
    systemd_exists=true
 fi
 

install_postfix_base.sh

@@ -136,9 +136,11 @@ DEFAULT_REWRITE_SENDER_DOMAIN=None
 
 # - Is this a systemd system?
 # -
-if [[ "X`which systemd`" = "X" ]]; then
 systemd_exists=false
-else
+systemd=$(which systemd)
+systemctl=$(which systemctl)
+
+if [[ -n "$systemd" ]] || [[ -n "$systemctl" ]] ; then
    systemd_exists=true
 fi
 

install_postfwd.sh

@@ -65,6 +65,14 @@ echo_skipped() {
    echo -e "\033[80G[ \033[33m\033[1mskipped\033[m ]"
 }
 
+systemd_exists=false
+systemd=$(which systemd)
+systemctl=$(which systemctl)
+
+if [[ -n "$systemd" ]] || [[ -n "$systemctl" ]] ; then
+   systemd_exists=true
+fi
+
 ## - Install Postfix Firewall Daemon from debian packages system
 ## -
 echononl "   Install Postfix Firewall Daemon from debian packages system"

install_update_dovecot-2.4.sh

@@ -964,9 +964,11 @@ delete_variable_with_comments() {
 
 # - Support systemd ?
 # -
-if [[ "X$(which systemd)" = "X" ]]; then
 SYSTEMD_EXISTS=false
-else
+systemd=$(which systemd)
+systemctl=$(which systemctl)
+
+if [[ -n "$systemd" ]] || [[ -n "$systemctl" ]] ; then
    SYSTEMD_EXISTS=true
 fi
 

install_update_dovecot.sh

@@ -148,9 +148,11 @@ detect_os_1 () {
 
 # - Support systemd ?
 # -
-if [[ "X$(which systemd)" = "X" ]]; then
 SYSTEMD_EXISTS=false
-else
+systemd=$(which systemd)
+systemctl=$(which systemctl)
+
+if [[ -n "$systemd" ]] || [[ -n "$systemctl" ]] ; then
    SYSTEMD_EXISTS=true
 fi
 

install_vacation.sh

@@ -95,6 +95,16 @@ echo_skipped() {
    echo -e "\033[75G[ \033[30m\033[1mskipped\033[m ]"
 }
 
+# -Is systemd supported on this system?
+# -
+systemd_supported=false
+systemd=$(which systemd)
+systemctl=$(which systemctl)
+
+if [[ -n "$systemd" ]] || [[ -n "$systemctl" ]] ; then
+   systemd_supported=true
+fi
+
 
 if [ "$POSTFIX_DB_TYPE" = "postgres" -o  "$POSTFIX_DB_TYPE" = "postgresql" -o "$POSTFIX_DB_TYPE" = "pgsql" -o "$POSTFIX_DB_TYPE" = "psql" ];then
    POSTFIX_DB_TYPE=pgsql

update_clamav-unofficial-sigs.sh

@@ -182,9 +182,11 @@ fi
 
 # - Is this a systemd system?
 # -
-if [[ "X`which systemd`" = "X" ]]; then
 systemd_exists=false
-else
+systemd=$(which systemd)
+systemctl=$(which systemctl)
+
+if [[ -n "$systemd" ]] || [[ -n "$systemctl" ]] ; then
    systemd_exists=true
 fi
 

update_postfix_dh_parameters.sh

@@ -126,9 +126,11 @@ DEFAULT_SASL_AUTH=false
 
 # - Is this a systemd system?
 # -
-if [[ "X`which systemd`" = "X" ]]; then
 systemd_exists=false
-else
+systemd=$(which systemd)
+systemctl=$(which systemctl)
+
+if [[ -n "$systemd" ]] || [[ -n "$systemctl" ]] ; then
    systemd_exists=true
 fi