update Makefile for release rules

Makefile

@@ -1,22 +1,32 @@
-.PHONY: all clean
 
-all:
-	jbuilder build @install
+.PHONY: build clean test
 
-clean:
-	rm -rf _build *.install
+build:
+	jbuilder build @install
 
 test:
 	jbuilder runtest
 
+install:
+	jbuilder install
+
+uninstall:
+	jbuilder uninstall
+
+clean:
+	rm -rf _build
+
+REPO=../../mirage/mirage-dev
+PACKAGES=$(REPO)/packages
 # until we have https://github.com/ocaml/opam-publish/issues/38
 pkg-%:
 	topkg opam pkg -n $*
 	mkdir -p $(PACKAGES)/$*
 	cp -r _build/$*.* $(PACKAGES)/$*/
-	rm -f $(PACKAGES)/$*/$*.opam
 	cd $(PACKAGES) && git add $*
 
 PKGS=$(basename $(wildcard *.opam))
 opam-pkg:
 	$(MAKE) $(PKGS:%=pkg-%)
+
+