abuild: added feature to (un)install all build dependencies in one shot

abuild

@@ -701,6 +701,14 @@ newaport() {
 		
 	fi
 }
+
+installdeps() {
+	sudo apk add $depends $makedepends
+}
+
+uninstalldeps (){
+	sudo apk del $depends $makedepends
+}
 	
 usage() {
 	echo "$(basename $0) $abuild_ver"
@@ -739,6 +747,8 @@ usage() {
 	echo "  cleancache  Remove downloaded files from \$SRCDEST"
 	echo "  srcpkg      Make a source package"
 	echo "  up2date     Compare target and sources dates"
+	echo "  installdeps Install packages listed in makedepends and depends"
+	echo "  uninstalldeps Uninstall packages listed in makedepends and depends"
 	echo ""
 	exit 0
 }