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# The tz archives have no top-level directory, as opkbuild requires.

upstream_archive = $(OPK_SOURCE)$(OPK_SOURCE_VERSION_UPSTREAM).tar.gz
upstream_url = https://www.iana.org/time-zones/repository/releases/$(upstream_archive)
source_archive = ../$(OPK_SOURCE)-$(OPK_SOURCE_VERSION_UPSTREAM).orig.tar.gz
keys = 62AA7E34

$(source_archive):
	wget -c '$(upstream_url)'
	set -e; if gpg --version >/dev/null 2>&1; then \
		wget -c '$(upstream_url).asc'; \
		[ -e ../keyring.gpg ] || \
			gpg --keyring ../keyring.gpg --no-default-keyring \
				--recv-keys $(keys) || true; \
		rm -f ../keyring.gpg~; \
		gpg --verify --keyring ../keyring.gpg \
			'$(upstream_archive).asc'; \
	fi
	mkdir -p $(OPK_SOURCE) && cd $(OPK_SOURCE) && tar -xzf '../$(upstream_archive)' && \
		cd ..
	rm -f '$(upstream_archive)' '$(upstream_archive).asc'
	tar -czf '$(source_archive)' $(OPK_SOURCE)
	mv $(OPK_SOURCE) src

source: $(source_archive)