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

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

ARCHS = i386 amd64
DISTROS = lenny

DEB_BUILT_COOKIE  = $(MY_OBJ_DIR)/.deb_built_cookie
DEB_REPO_COOKIE   = $(MY_OBJ_DIR)/.deb_%_repo_cookie
DEB_REPO_COOKIES  = $(DISTROS:%=$(DEB_REPO_COOKIE))

STAGING_DIR = $(MY_OBJ_DIR)/staging
INSTALL_DIR = $(STAGING_DIR)/Linux/
VERSIONS_FILE = $(MY_OBJ_DIR)/versions
TOOLS_TARBALL = $(MY_OUTPUT_DIR)/tools-files.tar.bz2
 

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

SOURCEDIR := $(MY_OBJ_DIR)/$(PACKAGE)-$(VERSION)/
DEBIANDIR := $(SOURCEDIR)/debian/

DEBPOOLDIR := debian/pool/main/x/xe-guest-utilities

GOTARBALL = /distfiles/golang/go1.4.2.linux-386.tar.gz
GOROOT = $(MY_OBJ_DIR)/go
GOBIN = GOROOT=$(GOROOT) $(GOROOT)/bin/go
GOFLAGS = -v -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 += $(SOURCEDIR)/xe-linux-distribution
SOURCES += $(SOURCEDIR)/xe-daemon
SOURCES += $(SOURCEDIR)/xenstore
SOURCES += $(SOURCEDIR)/LICENSE
SOURCES += $(SOURCEDIR)/citrix.list
SOURCES += $(SOURCEDIR)/xen-vcpu-hotplug.rules
SOURCES += $(DEBIANDIR)/xe-linux-distribution.init
SOURCES += $(DEBIANDIR)/xe-guest-utilities.postinst
SOURCES += $(DEBIANDIR)/xe-guest-utilities.prerm
SOURCES += $(DEBIANDIR)/control
SOURCES += $(DEBIANDIR)/changelog
SOURCES += $(DEBIANDIR)/rules
SOURCES += $(DEBIANDIR)/compat
SOURCES += $(DEBIANDIR)/copyright
SOURCES += $(DEBIANDIR)/$(PACKAGE).dirs

822_DATE := $(shell date -R)

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

.PHONY: clean
clean:
	rm -f $(DEB_BUILT_COOKIE)
	rm -f $(DEB_REPO_COOKIES)
	rm -rf $(GOROOT)
	rm -rf $(SOURCEDIR)
	rm -rf $(DEBIANDIR)
	rm -f $(MY_OBJ_DIR)/overrides

local-brand := sed -e 's,@VERSION@,$(VERSION),g' \
	           -e 's,@RELEASE@,$(RELEASE),g' \
	           -e "s!@822DATE@!$(822_DATE)!g"

$(DEBIANDIR)/%: $(REPO)/%
	mkdir -p $(DEBIANDIR)
	$(call brand,$<) | $(call local-brand) > $@

$(DEBIANDIR)/xe-linux-distribution.init: $(REPO)/mk/xe-linux-distribution.init
	mkdir -p $(DEBIANDIR)
	$(call brand,$<) | $(call local-brand) > $@

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

$(SOURCEDIR)/citrix.list: citrix.list
	$(call brand,$<) > $@

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

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

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

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

$(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_i386 := $(DEBPOOLDIR)/$(PACKAGE)_$(VERSION)-$(RELEASE)_i386.deb ; \
	  echo XE_GUEST_UTILITIES_PKG_FILE_amd64 := $(DEBPOOLDIR)/$(PACKAGE)_$(VERSION)-$(RELEASE)_amd64.deb ; \
	)>$@

$(DEB_BUILT_COOKIE): $(SOURCES)	
	mkdir -p $(MY_OUTPUT_DIR)/$(DEBPOOLDIR)
	chmod +x $(DEBIANDIR)/rules
	cd $(SOURCEDIR) && dpkg-buildpackage -Zgzip -S -us -uc
	cp $(MY_OBJ_DIR)/$(PACKAGE)_$(VERSION)-$(RELEASE).dsc $(MY_OUTPUT_DIR)/$(DEBPOOLDIR)
	cp $(MY_OBJ_DIR)/$(PACKAGE)_$(VERSION)-$(RELEASE).tar.gz $(MY_OUTPUT_DIR)/$(DEBPOOLDIR)
	set -xe ; for arch in $(ARCHS) ; do \
		( cd $(SOURCEDIR) && dpkg-buildpackage -Zgzip -b -a$${arch} -us -uc ) ; \
		cp $(MY_OBJ_DIR)/$(PACKAGE)_$(VERSION)-$(RELEASE)_$${arch}.deb $(MY_OUTPUT_DIR)/$(DEBPOOLDIR) ; \
	done
	touch $@

$(MY_SOURCES)/MANIFEST: $(MY_SOURCES_DIRSTAMP)
	( echo "$(COMPONENT) BSD file $(MY_OUTPUT_DIR)/$(DEBPOOLDIR)/$(PACKAGE)_$(VERSION)-$(RELEASE).dsc" ; \
	  echo "$(COMPONENT) BSD file $(MY_OUTPUT_DIR)/$(DEBPOOLDIR)/$(PACKAGE)_$(VERSION)-$(RELEASE).tar.gz" ; \
        ) >$@

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

$(MY_OBJ_DIR)/overrides:
	echo xe-guest-utilities optional base >$@

$(DEB_REPO_COOKIE): $(DEB_BUILT_COOKIE) $(MY_OBJ_DIR)/overrides
	mkdir -p $(MY_OUTPUT_DIR)/$(DEBPOOLDIR)
	cp -La $(MY_OBJ_DIR)/*.deb $(MY_OUTPUT_DIR)/$(DEBPOOLDIR)
	set -ex ; for arch in $(ARCHS) ; do \
	    bindir=debian/dists/$*/main/binary-$${arch} ; \
	    mkdir -p $(MY_OUTPUT_DIR)/$${bindir} ; \
	    ( cd $(MY_OUTPUT_DIR)/debian/ && \
	      dpkg-scanpackages -a$${arch} pool $(MY_OBJ_DIR)/overrides \
	    ) > $(MY_OUTPUT_DIR)/$${bindir}/Packages ; \
	done
	mkdir -p $(MY_OUTPUT_DIR)/debian/dists/$*/main/source
	( cd $(MY_OUTPUT_DIR)/debian/ && \
	  dpkg-scansources pool \
	) > $(MY_OUTPUT_DIR)/debian/dists/$*/main/source/Sources
	touch $@

# package up in a tools tarball so it gets on the ISO
$(TOOLS_TARBALL): $(DEB_BUILT_COOKIE)
	mkdir -p $(INSTALL_DIR)
	rm -f $(INSTALL_DIR)/versions.deb
	$(foreach arch,$(ARCHS),\
	  echo XE_GUEST_UTILITIES_PKG_FILE_$(arch)=\'xe-guest-utilities_$(VERSION)-$(RELEASE)_$(arch).deb\' >> $(INSTALL_DIR)/versions.deb ; cp -v $(MY_OBJ_DIR)/xe-guest-utilities_$(VERSION)-$(RELEASE)_$(arch).deb $(INSTALL_DIR)/ ;)
	tar -C $(STAGING_DIR) -cjf $@ .

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