Record meta-uuid

Author: fhunleth

fwup.conf

@@ -172,6 +172,7 @@ task complete {
         uboot_setenv(uboot-env, "a.nerves_fw_author", ${NERVES_FW_AUTHOR})
         uboot_setenv(uboot-env, "a.nerves_fw_vcs_identifier", ${NERVES_FW_VCS_IDENTIFIER})
         uboot_setenv(uboot-env, "a.nerves_fw_misc", ${NERVES_FW_MISC})
+        uboot_setenv(uboot-env, "a.nerves_fw_uuid", "\${FWUP_META_UUID}")
 
         # Support setting device serial numbers when creating MicroSD cards.
         # Note that the '$' is escaped so that environment variable replacement
@@ -223,6 +224,7 @@ task upgrade.a {
         uboot_unsetenv(uboot-env, "a.nerves_fw_version")
         uboot_unsetenv(uboot-env, "a.nerves_fw_platform")
         uboot_unsetenv(uboot-env, "a.nerves_fw_architecture")
+        uboot_unsetenv(uboot-env, "a.nerves_fw_uuid")
 
         # Reset the previous contents of the A boot partition
         fat_mkfs(${BOOT_A_PART_OFFSET}, ${BOOT_A_PART_COUNT})
@@ -251,6 +253,7 @@ task upgrade.a {
         uboot_setenv(uboot-env, "a.nerves_fw_author", ${NERVES_FW_AUTHOR})
         uboot_setenv(uboot-env, "a.nerves_fw_vcs_identifier", ${NERVES_FW_VCS_IDENTIFIER})
         uboot_setenv(uboot-env, "a.nerves_fw_misc", ${NERVES_FW_MISC})
+        uboot_setenv(uboot-env, "a.nerves_fw_uuid", "\${FWUP_META_UUID}")
 
 	# Switch over to boot the new firmware
         uboot_setenv(uboot-env, "nerves_fw_active", "a")
@@ -277,6 +280,7 @@ task upgrade.b {
         uboot_unsetenv(uboot-env, "b.nerves_fw_version")
         uboot_unsetenv(uboot-env, "b.nerves_fw_platform")
         uboot_unsetenv(uboot-env, "b.nerves_fw_architecture")
+        uboot_unsetenv(uboot-env, "b.nerves_fw_uuid")
 
         # Reset the previous contents of the B boot partition
         fat_mkfs(${BOOT_B_PART_OFFSET}, ${BOOT_B_PART_COUNT})
@@ -301,6 +305,7 @@ task upgrade.b {
         uboot_setenv(uboot-env, "b.nerves_fw_author", ${NERVES_FW_AUTHOR})
         uboot_setenv(uboot-env, "b.nerves_fw_vcs_identifier", ${NERVES_FW_VCS_IDENTIFIER})
         uboot_setenv(uboot-env, "b.nerves_fw_misc", ${NERVES_FW_MISC})
+        uboot_setenv(uboot-env, "b.nerves_fw_uuid", "\${FWUP_META_UUID}")
 
 	# Switch over to boot the new firmware
         uboot_setenv(uboot-env, "nerves_fw_active", "b")