kas-container: Fix positional argument processing with for-all-repos

While kas interprets "one positional arg" as "this is the command, use
default .config.yaml", kas-container failed in that case. This now take
the specialty into account.

Reported-by: Jörg Sommer <[email protected]>
Signed-off-by: Jan Kiszka <[email protected]>

kas-container

@@ -354,10 +354,21 @@ while [ $# -gt 0 ] && [ $KAS_EXTRA_BITBAKE_ARGS -eq 0 ]; do
 		shift 1
 		;;
 	*)
+		ARG="$1"
+		shift 1
+		if [ "$KAS_CMD" = "for-all-repos" ]; then
+			if [ $# -gt 0 ]; then
+				KAS_REPO_CMD="$1"
+				shift 1
+			else
+				KAS_REPO_CMD="$ARG"
+				unset ARG
+			fi
+		fi
 		KAS_FILES=
 		# SC2086: Double quote to prevent globbing and word splitting.
 		# shellcheck disable=2086
-		for FILE in $(IFS=':'; echo $1); do
+		for FILE in $(IFS=':'; echo $ARG); do
 			if ! KAS_REAL_FILE="$(realpath -qe "$FILE")"; then
 				fatal_error "configuration file '${FILE}' not found"
 			fi
@@ -368,11 +379,6 @@ while [ $# -gt 0 ] && [ $KAS_EXTRA_BITBAKE_ARGS -eq 0 ]; do
 				KAS_FILES="${KAS_FILES}:${KAS_REAL_FILE}"
 			fi
 		done
-		shift 1
-		if [ "$KAS_CMD" = "for-all-repos" ]; then
-			KAS_REPO_CMD="$1"
-			shift 1
-		fi
 		;;
 	esac
 done