Github releases usually don't contain the project name in the release
filename, which makes them very inconvenient to use from the build
system. Add support for naming the local file differently.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
define Download/default
FILE:=$(PKG_SOURCE)
URL:=$(PKG_SOURCE_URL)
+ URL_FILE:=$(PKG_SOURCE_URL_FILE)
SUBDIR:=$(PKG_SOURCE_SUBDIR)
PROTO:=$(PKG_SOURCE_PROTO)
$(if $(PKG_SOURCE_MIRROR),MIRROR:=$(filter 1,$(PKG_MIRROR)))