replace fstab by explicit systemd mount units to ensure proper order

functions/system.bash

@@ -134,23 +134,33 @@ vimrc_copy() {
   echo "OK"
 }
 
+create_mount() {
+  F=/etc/systemd/system/$(systemd-escape --path /srv/openhab2-"${2}").mount
+  sed -e "s|%SRC|$1|g" -e "s|%DEST|$2|g" "$BASEDIR"/includes/mount_template > "$F"
+  systemctl -q enable "srv-openhab2\\x2d$2.mount"
+  systemctl -q start "srv-openhab2\\x2d$2.mount"
+}
+
 srv_bind_mounts() {
   echo -n "$(timestamp) [openHABian] Preparing openHAB folder mounts under /srv/... "
+  systemctl is-active --quiet smbd && systemctl stop smbd
+  systemctl is-active --quiet zram-config && systemctl stop zram-config
+  cond_redirect umount -q /srv/openhab2-{sys,conf,userdata,logs,addons}
   sed -i "\\#[ \\t]/srv/openhab2-#d" /etc/fstab
-  sed -i "/^$/d" /etc/fstab
-  ( echo ""
-    echo "/usr/share/openhab2          /srv/openhab2-sys           none bind 0 0"
-    echo "/etc/openhab2                /srv/openhab2-conf          none bind 0 0"
-    echo "/var/lib/openhab2            /srv/openhab2-userdata      none bind 0 0"
-    echo "/var/log/openhab2            /srv/openhab2-logs          none bind 0 0"
-    echo "/usr/share/openhab2/addons   /srv/openhab2-addons        none bind 0 0"
-  ) >> /etc/fstab # dummy" to fix vim coloring
-
-  cond_redirect cat /etc/fstab
+  # dummy " to fix vim coloring
+  cond_redirect rm -f /etc/systemd/system/srv*.mount
   cond_redirect mkdir -p /srv/openhab2-{sys,conf,userdata,logs,addons}
   cond_redirect cp "$BASEDIR"/includes/srv_readme.txt /srv/README.txt
   cond_redirect chmod ugo+w /srv /srv/README.txt
-  if cond_redirect mount --all --verbose; then echo "OK"; else echo "FAILED"; fi
+
+  cond_redirect create_mount /usr/share/openhab2 sys
+  cond_redirect create_mount /etc/openhab2 conf
+  cond_redirect create_mount /var/lib/openhab2 userdata
+  cond_redirect create_mount /var/log/openhab2 logs
+  cond_redirect create_mount /usr/share/openhab2/addons addons
+
+  if [ -f /etc/ztab ]; then systemctl start zram-config; fi
+  if [ -f /etc/samba/smb.conf ]; then systemctl start smbd; fi
 }
 
 permissions_corrections() {

includes/mount_template

@@ -0,0 +1,13 @@
+[Unit]
+Description=openhab2-%DEST mount
+After=zram-config.service
+
+[Mount]
+What=%SRC
+Where=/srv/openhab2-%DEST
+Type=none
+Options=bind
+
+[Install]
+WantedBy=multi-user.target
+

includes/smb.conf

@@ -183,33 +183,33 @@
 
 #======================= Share Definitions =======================
 
-[homes]
-  comment = Home Directories
-  browseable = no
-  valid users = %S
-  writeable = yes
-  create mask = 0700
-  directory mask = 0700
-
-[printers]
-   comment = All Printers
-   browseable = no
-   public = no
-   path = /var/spool/samba
-   printable = yes
-   guest ok = no
-   read only = yes
-   create mask = 0700
+;[homes]
+;  comment = Home Directories
+;  browseable = no
+;  valid users = %S
+;  writeable = yes
+;  create mask = 0700
+;  directory mask = 0700
+
+;[printers]
+;   comment = All Printers
+;   browseable = no
+;   public = no
+;   path = /var/spool/samba
+;   printable = yes
+;   guest ok = no
+;   read only = yes
+;   create mask = 0700
 
 # Windows clients look for this share name as a source of downloadable
 # printer drivers
-[print$]
-   comment = Printer Drivers
-   path = /var/lib/samba/printers
-   browseable = no
-   public = no
-   read only = yes
-   guest ok = no
+;[print$]
+;   comment = Printer Drivers
+;   path = /var/lib/samba/printers
+;   browseable = no
+;   public = no
+;   read only = yes
+;   guest ok = no
 # Uncomment to allow remote administration of Windows print drivers.
 # You may need to replace 'lpadmin' with the name of the group your
 # admin users are members of.
@@ -219,15 +219,15 @@
 
 #=================== Custom Share Definitions ====================
 
-[openHAB-share]
-  comment=openHAB2 combined folders
-  path=/srv
-  writeable=yes
-  public=no
-  create mask=0664
-  directory mask=0775
-  veto files = /Thumbs.db/.DS_Store/._.DS_Store/.apdisk/._*/
-  delete veto files = yes
+;[openHAB-share]
+;  comment=openHAB2 combined folders
+;  path=/srv
+;  writeable=yes
+;  public=no
+;  create mask=0664
+;  directory mask=0775
+;  veto files = /Thumbs.db/.DS_Store/._.DS_Store/.apdisk/._*/
+;  delete veto files = yes
 
 [openHAB-conf]
   comment=openHAB2 site configuration
@@ -259,15 +259,15 @@
 ;  veto files = /Thumbs.db/.DS_Store/._.DS_Store/.apdisk/._*/
 ;  delete veto files = yes
 
-;[openHAB-log]
-;  comment=openHAB2 log files
-;  path=/var/log/openhab2
-;  writeable=yes
-;  public=no
-;  create mask=0664
-;  directory mask=0775
-;  veto files = /Thumbs.db/.DS_Store/._.DS_Store/.apdisk/._*/
-;  delete veto files = yes
+[openHAB-logs]
+  comment=openHAB2 log files
+  path=/var/log/openhab2
+  writeable=yes
+  public=no
+  create mask=0664
+  directory mask=0775
+  veto files = /Thumbs.db/.DS_Store/._.DS_Store/.apdisk/._*/
+  delete veto files = yes
 
 ;[var-www]
 ;  comment=webserver files