abuild: up2date handle apkcache properly

abuild will not consider package up2date unless apk cache is up2date

abuild.in

@@ -467,10 +467,11 @@ update_apkcache_index() {
 }
 
 apkcache() {
-	if ! up2date; then
+	if ! apk_up2date || [ -n "$force" ]; then
 		sanitycheck && builddeps && clean && fetch && unpack && rootpkg || return 1
 	fi
 	local apk
+	mkdir -p "$apkcache" || return 1
 	set --
 	for apk in $(listpkg); do
 		ln -sf "$PKGDEST"/$apk "$apkcache"/$apk
@@ -572,7 +573,7 @@ srcpkg() {
 }
 
 # check if package is up to date
-up2date() {
+apk_up2date() {
 	local pkg="$PKGDEST/$pkgname-$pkgver-r$pkgrel.apk"
 	local i s
 	cd "$startdir"
@@ -595,6 +596,19 @@ up2date() {
 	return 0
 }
 
+cache_up2date() {
+	local i apk
+	for i in $pkgname $subpackages; do
+		apk="${i%:*}-$pkgver-r$pkgrel.apk"
+		[ "$apkcache"/APK_INDEX.gz -nt "$apkcache"/$apk ] || return 1
+	done
+	return 0
+}
+
+up2date() {
+	apk_up2date && cache_up2date
+}
+
 # source all APKBUILDs and output:
 #  1) origin of package
 #  2) all dependencies
@@ -854,7 +868,15 @@ installdeps() {
 uninstalldeps (){
 	sudo apk del .makedepends-$pkgname
 }
-	
+
+all() {
+	if up2date && [ -z "$force" ]; then
+		msg "Package is up to date"
+	else
+		apkcache
+	fi
+}
+
 usage() {
 	echo "$(basename $0) $abuild_ver"
 	echo "usage: ${0##*/} [options] [-i PKG] [-P REPODEST] [-p PKGDEST]"
@@ -947,11 +969,7 @@ if [ -z "$1" ] && [ -n "$newname" ]; then
 fi
 
 if [ -z "$1" ]; then
-	if up2date && [ -z "$force" ]; then
-		msg "Package is up to date"
-	else
-		set $default_cmds
-	fi
+	set all
 fi
 
 while [ $# -gt 0 ]; do