1 files changed, 83 insertions, 0 deletions
diff --git a/mk/fetch.mk b/mk/fetch.mk
new file mode 100644
index 000000000..c4625ccee
--- /dev/null
+++ b/mk/fetch.mk
@@ -0,0 +1,83 @@
+# $Id$
+#-
+# This file is part of the OpenADK project. OpenADK is copyrighted
+# material, please see the LICENCE file in the top-level directory.
+#-
+
+ifneq ($(strip ${DIST_SUBDIR}),)
+FULLDISTDIR?=		${DISTDIR}/${DIST_SUBDIR}
+else
+FULLDISTDIR?=		${DISTDIR}
+endif
+
+FULLDISTFILES=		$(patsubst %,${FULLDISTDIR}/%,${DISTFILES})
+
+FETCH_STYLE?=		auto
+#pre-fetch:
+do-fetch:
+#post-fetch:
+fetch:
+#	@${MAKE} pre-fetch
+ifneq ($(filter auto,${FETCH_STYLE}),)
+	${MAKE} ${FULLDISTFILES}
+else
+	${MAKE} do-fetch
+endif
+#	@${MAKE} post-fetch
+
+refetch:
+	-rm -f ${FULLDISTFILES}
+	${MAKE} fetch
+
+# XXX for now
+_CHECKSUM_COOKIE?=	${WRKDIR}/.checksum_done
+checksum: ${_CHECKSUM_COOKIE}
+ifeq ($(strip ${NO_CHECKSUM}),)
+${_CHECKSUM_COOKIE}: ${FULLDISTFILES}
+	rm -rf ${WRKDIR}
+	@OK=n; \
+	(md5sum ${FULLDISTFILES}; echo exit) | while read sum name; do \
+		if [[ $$sum = exit ]]; then \
+			[[ $$OK = n ]] && echo >&2 "==> No distfile found!" || :; \
+			[[ $$OK = 1 ]] || exit 1; \
+			break; \
+		fi; \
+		if [[ $$sum = "$(strip ${PKG_MD5SUM})" ]]; then \
+			[[ $$OK = 0 ]] || OK=1; \
+			continue; \
+		fi; \
+		echo >&2 "==> Checksum mismatch for $${name##*/} (MD5)"; \
+		echo >&2 ":---> should be '$(strip ${PKG_MD5SUM})'"; \
+		echo >&2 ":---> really is '$$sum'"; \
+		OK=0; \
+	done
+	mkdir -p ${WRKDIR}
+	touch ${_CHECKSUM_COOKIE}
+endif
+
+# GNU make's poor excuse for loops
+define FETCH_template
+$(1):
+	@fullname='$(1)'; \
+	subname=$$$${fullname##$${DISTDIR}/}; \
+	filename=$$$${fullname##*/}; \
+	i='$${LOCAL_DISTDIR}'; \
+	if [[ -n $$$$i && -e $$$$i/$$$$subname ]]; then \
+		cd "$$$$i"; \
+		echo pax -rw "$$$$subname" '$${DISTDIR}/'; \
+		exec pax -rw "$$$$subname" '$${DISTDIR}/'; \
+	fi; \
+	mkdir -p "$$$${fullname%%/$$$$filename}"; \
+	cd "$$$${fullname%%/$$$$filename}"; \
+	for site in $${MASTER_SITES} $${MASTER_SITE_BACKUP}; do \
+		: echo "$${FETCH_CMD} $$$$site$$$$filename"; \
+		rm -f "$$$$filename"; \
+		if $${FETCH_CMD} $$$$site$$$$filename; then \
+			: check the size here; \
+			[[ ! -e $$$$filename ]] || exit 0; \
+		fi; \
+	done; \
+	exit 1
+endef
+
+$(foreach distfile,${FULLDISTFILES},$(eval $(call FETCH_template,$(distfile))))