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-rw-r--r--source.mk23
1 files changed, 23 insertions, 0 deletions
diff --git a/source.mk b/source.mk
new file mode 100644
index 0000000..1dc0ddc
--- /dev/null
+++ b/source.mk
@@ -0,0 +1,23 @@
+upstream_archive = $(OPK_SOURCE)-$(OPK_SOURCE_VERSION_UPSTREAM).tar.xz
+upstream_url = http://ftp.gnu.org/pub/gnu/$(OPK_SOURCE)/$(upstream_archive)
+source_archive = ../$(OPK_SOURCE)-$(OPK_SOURCE_VERSION_UPSTREAM).orig.tar.xz
+
+gpg = GNUPGHOME=gnupghome/ gpg --no-default-keyring --keyring ../keyring.gpg
+keys = \
+ 'AD17 A21E F8AE D8F1 CC02 DBD9 F7D5 C9BF 765C 61E3'
+
+$(source_archive):
+ wget -c '$(upstream_url)' '$(upstream_url).sig'
+ 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).sig'; then \
+ rm -Rf gnupghome/; \
+ exit 1; \
+ fi
+ rm -Rf gnupghome/
+ mv '$(upstream_archive)' '$(source_archive)'
+
+source: $(source_archive)