# -*- 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 = linux

TGZ_BUILT_COOKIE  = $(MY_OBJ_DIR)/.tgz_built_cookie
TGZ_REPO_COOKIE   = $(MY_OBJ_DIR)/.tgz_%_repo_cookie
TGZ_REPO_COOKIES  = $(DISTROS:%=$(TGZ_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)/
DESTDIR := $(MY_OBJ_DIR)/$(PACKAGE)/


GOTARBALL = /distfiles/golang/go1.4.2.linux-386.tar.gz
GOROOT = $(MY_OBJ_DIR)/go
GOBIN = GOROOT=$(GOROOT) $(GOROOT)/bin/go
GOFLAGS = -v
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 += $(REPO)/LICENSE
SOURCES += $(SOURCEDIR)/xe-linux-distribution
SOURCES += $(SOURCEDIR)/xe-linux-distribution.init
SOURCES += $(SOURCEDIR)/xe-daemon
SOURCES += $(SOURCEDIR)/xenstore
SOURCES += $(SOURCEDIR)/citrix.list
SOURCES += $(SOURCEDIR)/xen-vcpu-hotplug.rules

822_DATE := $(shell date -R)

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

.PHONY: clean
clean:
	rm -f $(TGZ_BUILT_COOKIE)
	rm -f $(TGZ_REPO_COOKIES)
	rm -rf $(GOROOT)
	rm -rf $(SOURCEDIR)
	rm -rf $(DESTDIR)

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

$(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 $@ $<

$(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 := $(MY_OBJ_DIR)/$(PACKAGE)_$(VERSION)-$(RELEASE)_all.tgz ; \
	)>$@

$(TGZ_BUILT_COOKIE): $(SOURCES)
	( cd $(SOURCEDIR) ; \
	  install -d $(DESTDIR)/etc/init.d/ ; \
	  install -m 755 xe-linux-distribution.init $(DESTDIR)/etc/init.d/xe-linux-distribution ; \
	  install -d $(DESTDIR)/usr/sbin/ ; \
	  install -m 755 xe-linux-distribution $(DESTDIR)/usr/sbin/xe-linux-distribution ; \
	  install -m 755 xe-daemon $(DESTDIR)/usr/sbin/xe-daemon ; \
	  install -d $(DESTDIR)/usr/bin/ ; \
	  install -m 755 xenstore $(DESTDIR)/usr/bin/xenstore ; \
	  ln -s /usr/bin/xenstore $(DESTDIR)/usr/bin/xenstore-read ; \
	  ln -s /usr/bin/xenstore $(DESTDIR)/usr/bin/xenstore-write ; \
	  ln -s /usr/bin/xenstore $(DESTDIR)/usr/bin/xenstore-exists ; \
	  ln -s /usr/bin/xenstore $(DESTDIR)/usr/bin/xenstore-rm ; \
	  install -d $(DESTDIR)/etc/udev/rules.d/ ; \
	  install -m 644 xen-vcpu-hotplug.rules $(DESTDIR)/etc/udev/rules.d/z10_xen-vcpu-hotplug.rules ; \
	  install -d $(DESTDIR)/usr/share/doc/$(PACKAGE)_$(VERSION)/ ; \
	  install -m 644 $(REPO)/LICENSE $(DESTDIR)/usr/share/doc/$(PACKAGE)_$(VERSION)/LICENSE ; \
	  cd $(DESTDIR) ; \
	  tar czvf $(MY_OBJ_DIR)/$(PACKAGE)_$(VERSION)-$(RELEASE)_all.tgz * \
	)>$@

$(MY_SOURCES)/MANIFEST: $(MY_SOURCES_DIRSTAMP)
	touch $@

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

$(TGZ_REPO_COOKIE): $(TGZ_BUILT_COOKIE)
	touch $@

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

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