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upstream_debrev = 1

upstream_archive = fakeroot_$(OPK_SOURCE_VERSION_UPSTREAM).orig.tar.xz
upstream_dsc = fakeroot_$(OPK_SOURCE_VERSION_UPSTREAM)-$(upstream_debrev).dsc
upstream_mirror = http://ftp.debian.org/debian
upstream_tar_url = $(upstream_mirror)/pool/main/f/fakeroot/$(upstream_archive)
upstream_dsc_url = $(upstream_mirror)/pool/main/f/fakeroot/$(upstream_dsc)
source_archive = ../fakeroot-$(OPK_SOURCE_VERSION_UPSTREAM).orig.tar.xz

gpg = GNUPGHOME=gnupghome/ gpg --no-default-keyring --keyring ../keyring.gpg
keys = \
	'7581 EC87 4053 E6C8 0779  1B9B 5592 331E 199D 38A8'
sha256sum_re = \
	................................................................

$(source_archive):
	wget -c '$(upstream_dsc_url)' '$(upstream_tar_url)'
	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_dsc)'; then \
		rm -Rf gnupghome/; \
		exit 1; \
	fi
	rm -Rf gnupghome/
	sed -n 's/^ \($(sha256sum_re)\) .* \($(upstream_archive)\)$$/\1  \2/p' \
		'$(upstream_dsc)' >sha256sums
	sha256sum -c sha256sums
	mv '$(upstream_archive)' '$(source_archive)'

source: $(source_archive)