VERSION=3.8.1
WAR_VERSION=3.8.1
BRANCH=stable-3.8
URL=https://storage.googleapis.com/gerrit-releases/gerrit-$(WAR_VERSION).war
CI_URL=https://gerrit-ci.gerritforge.com
RELEASE=1

NAME=gerrit
CATEGORY=Development
SUMMARY=Gerrit Code Review
BUILD_ARCH=noarch
BUILD_ROOT=build/root
SCRIPTS_ROOT=build/scripts
OUT=out
USER=gerrit
GROUP=gerrit
GERRIT_SITE=/var/gerrit

LICENSE=Apache 2.0
VENDOR=GerritForge
WEB_URL=https://www.gerritcodereview.com/

WAR=$(BUILD_ROOT)/bin/gerrit.war
PLUGINS_CI=https://gerrit-ci.gerritforge.com/job
LIBS_JOBS= \
  plugin-out-of-the-box-bazel-master-$(BRANCH)/lastSuccessfulBuild/artifact/bazel-bin/plugins/out-of-the-box/out-of-the-box.jar
PLUGINS_JOBS= \
  plugin-avatars-gravatar-bazel-master-$(BRANCH)/lastSuccessfulBuild/artifact/bazel-bin/plugins/avatars-gravatar/avatars-gravatar.jar \
  plugin-uploadvalidator-bazel-master-$(BRANCH)/lastSuccessfulBuild/artifact/bazel-bin/plugins/uploadvalidator/uploadvalidator.jar

RPM_OUT=$(OUT)/gerrit-$(VERSION)-$(RELEASE).$(BUILD_ARCH).rpm
DEB_OUT=$(OUT)/gerrit-$(VERSION)-$(RELEASE).$(BUILD_ARCH).deb
YUM_INSTALL=../yum-repo/server
DEB_INSTALL=../deb-repo/server/dists/gerrit/contrib/binary-i386
CONFIGS=$(wildcard etc/*)
SCRIPTS=$(foreach script,$(wildcard scripts/*),$(notdir $(script)))
BUILD_SCRIPTS=$(foreach script,$(SCRIPTS),$(SCRIPTS_ROOT)/$(script))

FPM_OPTS=-s dir \
	-f -n $(NAME) -v $(VERSION) --iteration $(RELEASE) --category $(CATEGORY) -a all --rpm-os linux \
	--description "$(SUMMARY)" --url $(WEB_URL) --license "$(LICENSE)" --vendor "$(VENDOR)" \
	--depends git --depends sudo \
	--PKG-user $(USER) --PKG-group $(GROUP) \
	--before-install $(SCRIPTS_ROOT)/before-install.sh \
	--after-install $(SCRIPTS_ROOT)/after-install.sh \
	--before-remove $(SCRIPTS_ROOT)/before-remove.sh \
	--after-remove $(SCRIPTS_ROOT)/after-remove.sh \
	--prefix $(GERRIT_SITE) --directories $(GERRIT_SITE) --config-files $(GERRIT_SITE)/etc \
	--verbose -C $(BUILD_ROOT) .

RPM_OPTS=$(subst --before-install,--rpm-pretrans, $(subst PKG,rpm,$(FPM_OPTS)))
DEB_OPTS=$(subst PKG,deb,$(FPM_OPTS))

all: prepare $(RPM_OUT) $(DEB_OUT)

rpm: $(RPM_OUT)

deb: $(DEB_OUT)

clean:
	rm -Rf $(OUT)

prepare: $(CONFIGS)
	mkdir -p $(OUT)
	mkdir -p $(SCRIPTS_ROOT)
	mkdir -p $(BUILD_ROOT)/etc
	mkdir -p $(BUILD_ROOT)/bin
	mkdir -p $(BUILD_ROOT)/plugins
	mkdir -p $(BUILD_ROOT)/lib
	mkdir -p $(BUILD_ROOT)/cache
	mkdir -p $(BUILD_ROOT)/db
	mkdir -p $(BUILD_ROOT)/git
	mkdir -p $(BUILD_ROOT)/index
	cp -R $(CONFIGS) $(BUILD_ROOT)/etc
	-groupadd $(GROUP)
	$(eval GROUP_ID := $(shell /usr/bin/getent group $(GROUP) | cut -d ':' -f 3))
	-useradd -g $(GROUP_ID) $(USER)

install-rpm: $(RPM_OUT)
	-mkdir -p $(YUM_INSTALL)
	cp $(RPM_OUT) $(YUM_INSTALL)

install-deb: $(DEB_OUT)
	-mkdir -p $(DEB_INSTALL)
	cp $(DEB_OUT) $(DEB_INSTALL)

install: install-rpm install-deb

clobber: clean
	rm -Rf $(BUILD_ROOT)
	rm -Rf $(SCRIPTS_ROOT)

$(WAR): $(basedir $(WAR))
	curl -f -o $@  $(URL)

plugins:
	for job in $(PLUGINS_JOBS); \
          do set -e && echo ">> Download: $$job" && curl -f -o $(BUILD_ROOT)/plugins/`basename $$job` $(PLUGINS_CI)/$$job; \
        done

libs:
	for job in $(LIBS_JOBS); \
          do set -e && echo ">> Download: $$job" && curl -f -o $(BUILD_ROOT)/lib/`basename $$job` $(PLUGINS_CI)/$$job; \
        done

$(SCRIPTS_ROOT)/%.sh: scripts/%.sh
	echo "#!/bin/bash" > $@
	echo "USER=$(USER)" >> $@
	echo "GROUP=$(GROUP)" >> $@
	echo "GERRIT_SITE=$(GERRIT_SITE)" >> $@
	cat $< >> $@

$(RPM_OUT): $(WAR) plugins libs $(CONFIGS) $(BUILD_SCRIPTS) chown
	fpm -t rpm -p $@ $(RPM_OPTS)

$(DEB_OUT): $(WAR) plugins libs $(PLUGINS_PATHS) $(CONFIGS) $(BUILD_SCRIPTS) chown
	fpm -t deb -p $@ $(DEB_OPTS)

.PHONY: clean clobber prepare chown rpm deb install install-deb install-rpm plugins libs