Use commit SHA for partition UUIDs

Signed-off-by: Pawel Langowski <pawel.langowski@3mdeb.com>

meta-dts-distro/conf/distro/dts-distro.conf

@@ -29,6 +29,10 @@ ROOT_PASSWORD = "jlz9IbDJscvTcTjpDkk1xVoPZnxIm1K5"
 WKS_FILES = "usb-stick-dts.wks.in"
 IMAGE_FSTYPES = "cpio.gz wic.gz wic.bmap iso"
 
+LAYER_COMMIT_SHA = "${@'$(cd ${LAYERDIR} && git rev-parse HEAD)'}"
+ROOT_UUID="${@'$(echo ${LAYER_COMMIT_SHA} | sha256sum | cut -c1-8)-$(echo ${LAYER_COMMIT_SHA} | sha256sum | cut -c9-12)-4$(echo ${LAYER_COMMIT_SHA} | sha256sum | cut -c13-15)-$(echo ${LAYER_COMMIT_SHA} | sha256sum | cut -c16-19)-$(echo ${LAYER_COMMIT_SHA} | sha256sum | cut -c20-31)'}"
+BOOT_UUID="${@'$(echo "boot-${LAYER_COMMIT_SHA}" | sha256sum | cut -c1-8)-$(echo "boot-${LAYER_COMMIT_SHA}" | sha256sum | cut -c9-12)-4$(echo "boot-${LAYER_COMMIT_SHA}" | sha256sum | cut -c13-15)-$(echo "boot-${LAYER_COMMIT_SHA}" | sha256sum | cut -c16-19)-$(echo "boot-${LAYER_COMMIT_SHA}" | sha256sum | cut -c20-31)'}"
+
 # installing GRUB in EFI/DTS helps in adding custom label in Boot Menu when
 # Dasharo firmware is installed
 IMAGE_EFI_BOOT_FILES += "grub-efi-bootx64.efi;EFI/DTS/grubx64.efi"

meta-dts-distro/wic/usb-stick-dts.wks.in

@@ -1,4 +1,4 @@
 bootloader --timeout=0 --append=" rootwait"
 
-part /boot --source bootimg-biosplusefi --sourceparams="loader=grub-efi" --ondisk sda --label dts-boot --align 1024 --use-uuid --active --system-id 0xef
-part /     --source rootfs --fstype=ext4                                 --ondisk sda --label dts-root --align 1024 --use-uuid --fixed-size 1024
+part /boot --source bootimg-biosplusefi --sourceparams="loader=grub-efi" --ondisk sda --label dts-boot --align 1024 --uuid ${BOOT_UUID} --active --system-id 0xef
+part /     --source rootfs --fstype=ext4                                 --ondisk sda --label dts-root --align 1024 --uuid ${ROOT_UUID} --fixed-size 1024