meta-digi: update home path to "/root" in our recipes

Due to a change in systemd the default home directory is now "/root".

Modify our recipes to match with this change.

Signed-off-by: Francisco Gil <francisco.gilmartinez@digi.com>

meta-digi-arm/conf/machine/include/digi-defaults.inc

@@ -110,3 +110,8 @@ CCCS_PKGS ?= "cccs-gs-demo dey-examples-cccs"
 
 # Default 1k-bloks seek in boot partition.
 BOOTLOADER_SEEK_BOOTPART ?= "0"
+
+# Default all platforms to use /root as the home root folder.
+# This is otherwise forced by systemd because of hard-coded paths
+# in systemd source code.
+ROOT_HOME ?= "/root"

meta-digi-arm/dynamic-layers/stm-st-stm32mp/recipes-graphics/wayland/weston-init.bbappend

@@ -25,7 +25,7 @@ FILES:${PN} += " ${datadir}/weston \
          ${sysconfdir}/etc/default \
          ${sysconfdir}/etc/profile.d \
          ${sysconfdir}/xdg/weston/weston.ini \
-         /home/root \
+         ${ROOT_HOME} \
          ${systemd_user_unitdir} \
          ${systemd_system_unitdir} \
          "
@@ -78,8 +78,8 @@ do_install() {
     echo "WESTON_USER=root" > ${D}${sysconfdir}/default/weston
 
     # check GPU
-    install -d ${D}/home/root/
-    install -m 644 ${WORKDIR}/README-CHECK-GPU ${D}/home/root/
+    install -d ${D}${ROOT_HOME}
+    install -m 644 ${WORKDIR}/README-CHECK-GPU ${D}${ROOT_HOME}
     if ! test -f ${D}${base_sbindir}/check-gpu; then
         install -d ${D}${base_sbindir}
         echo '#!/bin/sh' > ${WORKDIR}/check-gpu.empty

meta-digi-arm/dynamic-layers/stm-st-stm32mp/recipes-graphics/wayland/weston-init/weston-launch.service

@@ -30,7 +30,7 @@ ConditionPathExists=/dev/tty0
 # Requires systemd-notify.so Weston plugin.
 #Type=notify
 EnvironmentFile=-/etc/default/weston
-Environment="XDG_RUNTIME_DIR=/home/root"
+Environment="XDG_RUNTIME_DIR=%h"
 Environment="WESTON_USER=root"
 Environment="WL_EGL_GBM_FENCE=0"
 #ExecStart=/usr/bin/weston-launch -- --modules=systemd-notify.so --log=/tmp/weston.log $OPTARGS
@@ -46,7 +46,7 @@ User=root
 Group=root
 
 # Make sure the working directory is the users home directory
-WorkingDirectory=/home/root
+WorkingDirectory=%h
 
 # Set up a full user session for the user, required by Weston.
 PAMName=weston-autologin

meta-digi-dey/dynamic-layers/x-linux-ai/recipes-samples/semantic-segmentation/files/patches/0003-semantic-segmentation-adapt-sample-for-root-user.patch

@@ -16,11 +16,11 @@ index 35b8bea..68d554b 100644
              img = img.resize(size)
              img_alpha = img.copy()
 -            img_alpha.save("/home/weston/bitmap.png","PNG")
-+            img_alpha.save("/home/root/bitmap.png","PNG")
++            img_alpha.save(os.path.join(os.path.expanduser("~"), "bitmap.png"), "PNG")
 
              #load the bitmap to display it as overlay
 -            pixbuf = GdkPixbuf.Pixbuf.new_from_file('/home/weston/bitmap.png')
-+            pixbuf = GdkPixbuf.Pixbuf.new_from_file('/home/root/bitmap.png')
++            pixbuf = GdkPixbuf.Pixbuf.new_from_file(os.path.join(os.path.expanduser("~"), "bitmap.png"))
              img = Gdk.cairo_set_source_pixbuf(cr, pixbuf.copy(),int(offset), int(vertical_offset))
              cr.paint()
              if (self.app.enable_camera_preview == False):
@@ -29,7 +29,7 @@ index 35b8bea..68d554b 100644
      #remove bitmap.png file before closing app
      file = 'bitmap.png'
 -    location = "/home/weston"
-+    location = "/home/root"
++    location = os.path.expanduser("~")
      path = os.path.join(location,file)
      os.remove(path)
      print("gtk main finished")

meta-digi-dey/recipes-digi/cccs/cccs_git.bb

@@ -91,7 +91,7 @@ do_install:append:ccimx6ul() {
 pkg_postinst_ontarget:${PN}-daemon() {
 	# If dualboot is enabled, change the CCCSD download path and set on the fly to yes on the first boot
 	if [ "$(fw_printenv -n dualboot 2>/dev/null)" = "yes" ]; then
-		sed -i "/firmware_download_path = \/mnt\/update/c\firmware_download_path = \/home\/root" /etc/cccs.conf
+		sed -i "/firmware_download_path = \/mnt\/update/c\firmware_download_path = %h" /etc/cccs.conf
 		sed -i "/on_the_fly = false/c\on_the_fly = true" /etc/cccs.conf
 	fi
 }