extensions/ufs: don't check sfdisk version also when BUILDING_IMAGE!=yes

- fixes download-artifact issue
  - matrix-prep was solved by CONFIG_DEFS_ONLY previously

Author: rpardini

extensions/ufs.sh

@@ -1,22 +1,24 @@
 # Create UFS aligned image (requires >= Debian 13 (Trixie) Host)
 # declare -g DOCKER_ARMBIAN_BASE_IMAGE=debian:trixie # Use this env variable manually
 function extension_prepare_config__ufs {
-    # Skip version check if only generating config definitions
-    if [[ "${CONFIG_DEFS_ONLY}" != "yes" ]]; then
-        # Check sfdisk version is >= 2.41 for UFS support
-        local sfdisk_version
-        if ! command -v sfdisk >/dev/null 2>&1; then
-            exit_with_error "sfdisk not found. Please install util-linux (provides sfdisk) >= 2.41."
-        fi
-        # Extract the util-linux version and strip any non-numeric characters for robustness
-        sfdisk_version="$(sfdisk --version 2>/dev/null | awk '/util-linux/ {print $NF}' | tr -cd '0-9.')"
-        if [[ -z "${sfdisk_version}" ]]; then
-            exit_with_error "Unable to determine util-linux version from 'sfdisk --version'."
-        fi
-        if linux-version compare "${sfdisk_version}" lt "2.41"; then
-            exit_with_error "UFS extension requires sfdisk >= 2.41 (from util-linux). Current version: ${sfdisk_version}"
-        fi
-    fi
-    EXTRA_IMAGE_SUFFIXES+=("-ufs")
-    declare -g SECTOR_SIZE=4096
+	display_alert "UFS extension" "checks: CONFIG_DEFS_ONLY:${CONFIG_DEFS_ONLY}, BUILDING_IMAGE:${BUILDING_IMAGE}, ARMBIAN_COMMAND:${ARMBIAN_COMMAND}" "debug"
+
+	# Skip version check if only generating config definitions, or if not building an image.
+	if [[ "${CONFIG_DEFS_ONLY}" != "yes" && "${BUILDING_IMAGE}" == "yes" ]]; then
+		# Check sfdisk version is >= 2.41 for UFS support
+		local sfdisk_version
+		if ! command -v sfdisk > /dev/null 2>&1; then
+			exit_with_error "sfdisk not found. Please install util-linux (provides sfdisk) >= 2.41."
+		fi
+		# Extract the util-linux version and strip any non-numeric characters for robustness
+		sfdisk_version="$(sfdisk --version 2> /dev/null | awk '/util-linux/ {print $NF}' | tr -cd '0-9.')"
+		if [[ -z "${sfdisk_version}" ]]; then
+			exit_with_error "Unable to determine util-linux version from 'sfdisk --version'."
+		fi
+		if linux-version compare "${sfdisk_version}" lt "2.41"; then
+			exit_with_error "UFS extension requires sfdisk >= 2.41 (from util-linux). Current version: ${sfdisk_version}"
+		fi
+	fi
+	EXTRA_IMAGE_SUFFIXES+=("-ufs")
+	declare -g SECTOR_SIZE=4096
 }