abuild: fix check if abuildindex is up 2 date

abuild.in

@@ -1007,17 +1007,32 @@ apk_up2date() {
 }
 
 abuildindex_up2date() {
-	local i j apk
+	local i
 	getpkgver || return 1
 	for i in $pkgname $subpackages; do
-		apk="${i%:*}-$pkgver-r$pkgrel.apk"
-		for j in "$abuildrepo"/*/$apk; do
-			[ -r "$j" ] || continue # ignore missing files
-			local idx="${j%/*}"/APKINDEX.tar.gz
-			if ! [ "$idx" -nt "$j" ]; then
-				return 1
+		local found= dir=
+		local apk="${i%:*}-$pkgver-r$pkgrel.apk"
+		
+		# look for file in all arch dirs
+		for dir in "$abuildrepo"/*; do
+			[ -d "$dir" ] || continue
+			local file="$dir"/$apk
+			local idx="$dir"/APKINDEX.tar.gz
+			
+			# check if index is missing
+			[ -f "$idx" ] || return 1
+			
+			# check if file is there but is newer than index
+			if [ -f "$file" ]; then
+				found=1
+				if [ "$file" -nt "$idx" ]; then
+					return 1
+				fi
 			fi
 		done
+		
+		# we are not up2date if file was not found in any arch dir
+		[ -z "$found" ] && return 1
 	done
 	return 0
 }