Introduce a Makefile to produce the macports artifacts

The checksums in the portfile are automatically updated, and the
relevant scripts are copied across from packaging/common.  However,
due to differences in the options supported by su in Linux and OSX,
the scripts don't actually work for OSX at this point.

Author: dpw

packaging/macports/Makefile

@@ -0,0 +1,29 @@
+TARBALL_DIR=../../dist
+TARBALL=$(notdir $(wildcard $(TARBALL_DIR)/rabbitmq-server-[0-9.]*.tar.gz))
+COMMON_DIR=../common
+VERSION=$(shell echo $(TARBALL) | sed -e 's:rabbitmq-server-\(.*\)\.tar\.gz:\1:g')
+
+# The URL at which things really get deployed
+REAL_WEB_URL=http://www.rabbitmq.com/
+
+DEST=macports/net/rabbitmq-server
+
+dirs:
+	mkdir -p $(DEST)/files
+
+$(DEST)/Portfile: Portfile.in
+	for algo in md5 sha1 rmd160 ; do \
+          checksum=$$(openssl $$algo $(TARBALL_DIR)/$(TARBALL) | awk '{print $$NF}') ; \
+	  echo "s|@$$algo@|$$checksum|g" ; \
+	done >checksums.sed
+	sed -e "s|@VERSION@|$(VERSION)|g;s|@BASE_URL@|$(REAL_WEB_URL)|g" \
+	    -f checksums.sed <$^ >$@
+
+macports: dirs $(DEST)/Portfile
+	for f in rabbitmq-asroot-script-wrapper rabbitmq-script-wrapper ; do \
+	  cp $(COMMON_DIR)/$$f $(DEST)/files ; \
+	done
+	cp patch-org.macports.rabbitmq-server.plist.diff $(DEST)/files
+
+clean:
+	rm -rf $(DEST) checksums.sed

packaging/macports/net/rabbitmq-server/Portfile renamed to packaging/macports/Portfile.in

@@ -3,7 +3,7 @@
 
 PortSystem 1.0
 name		rabbitmq-server
-version		1.7.0
+version		@VERSION@
 revision	0
 categories	net 
 maintainers	[email protected]
@@ -15,13 +15,13 @@ long_description	\
     robust and scalable implementation of an AMQP broker.
 
 
-homepage        http://www.rabbitmq.com/
-master_sites    http://www.rabbitmq.com/releases/rabbitmq-server/v${version}/
+homepage        @BASE_URL@
+master_sites    @BASE_URL@releases/rabbitmq-server/v${version}/
 
 checksums \
-    md5 4505ca0fd8718439bd6f5e2af2379e56 \
-    sha1 84fb86d403057bb808c1b51deee0c1fca3bf7bef \
-    rmd160 092f90946825cc3eb277019805e24db637a559f4
+    md5 @md5@ \
+    sha1 @sha1@ \
+    rmd160 @rmd160@
 
 depends_build   port:erlang
 depends_run     port:erlang