# -*- makefile -*-
USE_BRANDING := yes
IMPORT_VERSIONS := yes
include $(B_BASE)/common.mk

RPM_LOCAL_RPMBUILD_OPTIONS := -D '_source_payload w9.gzdio' -D '_binary_payload w9.gzdio' \
	-D '_source_filedigest_algorithm 0' -D '_binary_filedigest_algorithm 0'
include $(B_BASE)/rpmbuild.mk

RPM_BUILT_COOKIE = $(MY_OBJ_DIR)/.rpm_built_cookie

REPO= $(call git_loc,xe-guest-utilities)
REPOSTAMP= $(call git_req,xe-guest-utilities)

STAGING_DIR = $(MY_OBJ_DIR)/staging
INSTALL_DIR = $(STAGING_DIR)/Linux/
VERSIONS_FILE = $(MY_OBJ_DIR)/versions

ARCHS = i386 x86_64

VERSION = $(PRODUCT_VERSION)
RELEASE := $(shell git --git-dir="$(REPO)/.git" rev-list HEAD | wc -l)

SPEC= xe-guest-utilities.spec
SRPM= xe-guest-utilities-$(VERSION)-$(RELEASE).src.rpm

GOTARBALL = /distfiles/golang/go1.4.2.linux-386.tar.gz
GOROOT = $(MY_OBJ_DIR)/go
GOBIN = GOROOT=$(GOROOT) $(GOROOT)/bin/go
GOFLAGS = -a -x -ldflags="-s -w"
GOBUILDDIR = $(MY_OBJ_DIR)/gobuild

GO_SOURCE_REPO = $(call git_loc,xe-guest-utilities)

XE_DAEMON_GO_SOURCES :=
XE_DAEMON_GO_SOURCES += ./xe-daemon/xe-daemon.go  # this should be the first one
XE_DAEMON_GO_SOURCES += ./syslog/syslog.go
XE_DAEMON_GO_SOURCES += ./system/system.go
XE_DAEMON_GO_SOURCES += ./guestmetric/guestmetric.go
XE_DAEMON_GO_SOURCES += ./guestmetric/guestmetric_linux.go
XE_DAEMON_GO_SOURCES += ./xenstoreclient/xenstore.go

XENSTORE_GO_SOURCES :=
XENSTORE_GO_SOURCES += ./xenstore/xenstore.go  # this should be the first one
XENSTORE_GO_SOURCES += ./xenstoreclient/xenstore.go

SOURCES :=
SOURCES += $(RPM_SOURCESDIR)/xe-linux-distribution
SOURCES += $(RPM_SOURCESDIR)/xe-linux-distribution.init
SOURCES += $(RPM_SOURCESDIR)/xe-daemon
SOURCES += $(RPM_SOURCESDIR)/xenstore

SOURCES += $(RPM_SOURCESDIR)/Citrix.repo
SOURCES += $(RPM_SOURCESDIR)/xen-vcpu-hotplug.rules
SOURCES += $(RPM_SOURCESDIR)/LICENSE

TOOLS_TARBALL = $(MY_OUTPUT_DIR)/tools-files.tar.bz2

.PHONY: build
build: $(RPM_BUILT_COOKIE) $(RPM_DIRECTORIES) $(TOOLS_TARBALL) $(ARCHS:%=$(MY_OUTPUT_DIR)/xe-guest-utilities.%.inc) $(MY_SOURCES)/MANIFEST
	@ :

.PHONY: clean
clean:
	rm -f $(RPM_SPECSDIR)/$(SPEC)
	rm -rf $(RPM_BUILDDIR) $(RPM_SOURCESDIR) $(RPM_SPECSDIR)
	rm -f $(RPM_BUILT_COOKIE)
	rm -rf $(GOROOT)
	rm -rf $(DESTDIR)

$(RPM_SPECSDIR)/$(SPEC): $(SPEC).in
	$(call brand,$<) | \
	sed -e 's,@VERSION@,$(VERSION),g' \
	    -e 's,@RELEASE@,$(RELEASE),g' \
	    > $@

$(MY_OUTPUT_DIR)/xe-guest-utilities.%.inc: $(MY_OUTPUT_DIR)/.dirstamp
	( echo XE_GUEST_UTILITIES_PKG_NAME := xe-guest-utilities ; \
	  echo XE_GUEST_UTILITIES_PKG_VERSION := $(VERSION)-$(RELEASE) ; \
	  echo XE_GUEST_UTILITIES_PKG_ARCH := $* ; \
	  echo XE_GUEST_UTILITIES_PKG_FILE := RPMS/$*/xe-guest-utilities-$(VERSION)-$(RELEASE).$*.rpm ; \
	)>$@

$(RPM_BUILT_COOKIE): $(RPM_DIRECTORIES) $(RPM_SPECSDIR)/$(SPEC) $(SOURCES)
	$(RPMBUILD) -bs $(RPM_SPECSDIR)/$(SPEC)
	set -ex ; for arch in $(ARCHS) ; do \
		$(RPMBUILD) --target=$${arch} --rebuild $(RPM_SRPMSDIR)/$(SRPM) ; \
	done

$(MY_SOURCES)/MANIFEST: $(MY_SOURCES_DIRSTAMP)
	( echo "$(COMPONENT) BSD file $(RPM_SRPMSDIR)/$(SRPM)" ; \
        ) >$@

.PHONY: sources
sources: $(MY_SOURCES)/MANIFEST
	@ :

$(RPM_SOURCESDIR)/%: $(REPO)/mk/%
	mkdir -p $(RPM_SOURCESDIR)
	$(call brand,$<) > $@

$(RPM_SOURCESDIR)/xe-daemon: $(XE_DAEMON_GO_SOURCES:%=$(GOBUILDDIR)/%) $(GOROOT)
	$(GOBIN) build $(GOFLAGS) -o $@ $<

$(RPM_SOURCESDIR)/xenstore: $(XENSTORE_GO_SOURCES:%=$(GOBUILDDIR)/%) $(GOROOT)
	$(GOBIN) build $(GOFLAGS) -o $@ $<

$(RPM_SOURCESDIR)/LICENSE: $(REPO)/LICENSE
	$(call brand,$<) > $@

$(GOBUILDDIR)/%: $(GO_SOURCE_REPO)/%
	mkdir -p $$(dirname $@)
	$(call brand,$<) > $@

$(TOOLS_TARBALL): $(RPM_BUILT_COOKIE)
	mkdir -p $(INSTALL_DIR)
	rm -f $(INSTALL_DIR)/versions.rpm
	$(foreach arch,$(ARCHS),\
	echo XE_GUEST_UTILITIES_PKG_FILE_$(arch)=\'xe-guest-utilities-$(VERSION)-$(RELEASE).$(arch).rpm xe-guest-utilities-xenstore-$(VERSION)-$(RELEASE).$(arch).rpm\' >> $(INSTALL_DIR)/versions.rpm ;\
	cp -v $(MY_OUTPUT_DIR)/RPMS/$(arch)/xe-guest-utilities-$(VERSION)-$(RELEASE).$(arch).rpm $(INSTALL_DIR)/ ;\
	cp -v $(MY_OUTPUT_DIR)/RPMS/$(arch)/xe-guest-utilities-xenstore-$(VERSION)-$(RELEASE).$(arch).rpm $(INSTALL_DIR)/ ;\
	)
	tar -C $(STAGING_DIR) -cjf $@ .

$(GOROOT):
	mkdir -p $(GOROOT)
	( cd $(GOROOT)/.. ; \
	  tar xf $(GOTARBALL) ;\
	)