set DRACUT_SYSTEMD for systemd mode in the initramfs

modules.d/10i18n/console_init.sh

@@ -2,7 +2,7 @@
 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
 # ex: ts=8 sw=4 sts=4 et filetype=sh
 
-[ -x /lib/systemd/systemd ] && exit 0
+[ -n "$DRACUT_SYSTEMD" ] && exit 0
 
 if [ -x /lib/systemd/systemd-vconsole-setup ]; then
     /lib/systemd/systemd-vconsole-setup "$@"

modules.d/10i18n/parse-i18n.sh

@@ -35,7 +35,7 @@ if [ -f /etc/locale.conf ]; then
     export LC_ALL
 fi
 
-if [ -x /lib/systemd/systemd ]; then
+if [ -n "$DRACUT_SYSTEMD" ]; then
     rm -f /{etc,lib}/udev/rules.d/10-console.rules
     rm -f /lib/udev/console_init
 fi

modules.d/50plymouth/plymouth-newroot.sh

@@ -2,5 +2,5 @@
 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
 # ex: ts=8 sw=4 sts=4 et filetype=sh
 
-[ -x /bin/plymouth -a ! -x /lib/systemd/systemd ] || exit 0
+[ -x /bin/plymouth -a -z "$DRACUT_SYSTEMD" ] || exit 0
 /bin/plymouth --newroot=$NEWROOT

modules.d/50plymouth/plymouth-pretrigger.sh

@@ -2,7 +2,7 @@
 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
 # ex: ts=8 sw=4 sts=4 et filetype=sh
 
-[ -x /bin/plymouthd -a ! -x /lib/systemd/systemd ] || exit 0
+[ -x /bin/plymouthd -a ! -n "$DRACUT_SYSTEMD" ] || exit 0
 
 if getargbool 1 plymouth.enable && getargbool 1 rd.plymouth -d -n rd_NO_PLYMOUTH; then
         # first trigger graphics subsystem

modules.d/90crypt/parse-crypt.sh

@@ -1,6 +1,9 @@
 #!/bin/sh
 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
 # ex: ts=8 sw=4 sts=4 et filetype=sh
+
+[ -n "$DRACUT_SYSTEMD" ] && exit 0
+
 if ! getargbool 1 rd.luks -d -n rd_NO_LUKS; then
     info "rd.luks=0: removing cryptoluks activation"
     rm -f /etc/udev/rules.d/70-luks.rules

modules.d/98systemd/dracut-cmdline.sh

@@ -2,7 +2,8 @@
 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
 # ex: ts=8 sw=4 sts=4 et filetype=sh
 
-NEWROOT="/sysroot"
+export DRACUT_SYSTEMD=1
+export NEWROOT="/sysroot"
 [ -d $NEWROOT ] || mkdir -p -m 0755 $NEWROOT
 [ -d /run/initramfs ] || mkdir -p -m 0755 /run/initramfs
 [ -d /run/lock ] || mkdir -p -m 0755 /run/lock

modules.d/98systemd/dracut-initqueue.sh

@@ -2,6 +2,7 @@
 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
 # ex: ts=8 sw=4 sts=4 et filetype=sh
 
+export DRACUT_SYSTEMD=1
 if [ -f /dracut-state.sh ]; then
     . /dracut-state.sh 2>/dev/null
 fi

modules.d/98systemd/dracut-pre-pivot.sh

@@ -2,6 +2,7 @@
 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
 # ex: ts=8 sw=4 sts=4 et filetype=sh
 
+export DRACUT_SYSTEMD=1
 if [ -f /dracut-state.sh ]; then
     . /dracut-state.sh 2>/dev/null
 fi

modules.d/98systemd/dracut-pre-trigger.sh

@@ -2,6 +2,7 @@
 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
 # ex: ts=8 sw=4 sts=4 et filetype=sh
 
+export DRACUT_SYSTEMD=1
 if [ -f /dracut-state.sh ]; then
     . /dracut-state.sh 2>/dev/null
 fi

modules.d/98systemd/dracut-pre-udev.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
 # ex: ts=8 sw=4 sts=4 et filetype=sh
-
+export DRACUT_SYSTEMD=1
 if [ -f /dracut-state.sh ]; then
     . /dracut-state.sh 2>/dev/null
 fi

modules.d/99base/dracut-lib.sh

@@ -358,7 +358,7 @@ check_quiet() {
     fi
 }
 
-if [ ! -x /lib/systemd/systemd ]; then
+if [ -z "$DRACUT_SYSTEMD" ]; then
 
     warn() {
         check_quiet