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# The merged tzdb archive now has a top-level directory as opkbuild requires.

upstream_archive = $(OPK_SOURCE)-$(OPK_SOURCE_VERSION_UPSTREAM).tar.lz
upstream_url_base = http://data.iana.org/time-zones/releases
upstream_url = $(upstream_url_base)/$(upstream_archive)
source_archive = ../$(OPK_SOURCE)-$(OPK_SOURCE_VERSION_UPSTREAM).orig.tar.lz

gpg = GNUPGHOME=gnupghome/ gpg --no-default-keyring --keyring ../keyring.gpg
keys = \
	'7E37 92A9 D8AC F7D6 33BC  1588 ED97 E90E 62AA 7E34'

$(source_archive):
	wget -c '$(upstream_url)' '$(upstream_url).asc'
	install -m 0700 -d gnupghome/
	[ -e ../keyring.gpg ] || \
		$(gpg) --keyserver hkp://pool.sks-keyservers.net \
			--recv-keys $(keys); \
	rm -f ../keyring.gpg~; \
	if ! $(gpg) --verify '$(upstream_archive).asc'; then \
		rm -Rf gnupghome/; \
		exit 1; \
	fi
	rm -Rf gnupghome/
	mv '$(upstream_archive)' '$(source_archive)'

source: $(source_archive)