SHELL=		/bin/bash

BASE_VERSION=	1.11.6
BASE_RELEASE=	1
BASE_SRC=	nginx-$(BASE_VERSION).tar.gz
SRCDIR=		nginx-$(BASE_VERSION)
SRCPATH?=	../..

CODENAME=	$(shell lsb_release -cs)
ARCH=		$(shell uname -m)
NPROC=		$(shell getconf _NPROCESSORS_ONLN)
MODSRC_PREFIX=	extra/

MODULES=	geoip image-filter njs perl xslt

MODULE_SUMMARY_geoip=		GeoIP dynamic modules
MODULE_SUMMARY_image_filter=	image filter dynamic module
MODULE_SUMMARY_njs=		nginScript dynamic modules
MODULE_SUMMARY_perl=		Perl dynamic module
MODULE_SUMMARY_xslt=		xslt dynamic module

MODULE_VERSION_geoip=		$(BASE_VERSION)
MODULE_RELEASE_geoip=		1
MODULE_VERSION_image_filter=	$(BASE_VERSION)
MODULE_RELEASE_image_filter=	1
MODULE_VERSION_njs=		0.1.4
MODULE_RELEASE_njs=		2
MODULE_VERSION_perl=		$(BASE_VERSION)
MODULE_RELEASE_perl=		1
MODULE_VERSION_xslt=		$(BASE_VERSION)
MODULE_RELEASE_xslt=		1

MODULE_SOURCES_njs=		njs-$(MODULE_VERSION_njs).tar.gz

MODULE_CONFARGS_geoip=		--with-http_geoip_module=dynamic \
				--with-stream_geoip_module=dynamic
MODULE_CONFARGS_image_filter=	--with-http_image_filter_module=dynamic
MODULE_CONFARGS_njs=		--add-dynamic-module=$(MODSRC_PREFIX)njs-$(MODULE_VERSION_njs)/nginx
MODULE_CONFARGS_perl=		--with-http_perl_module=dynamic
MODULE_CONFARGS_xslt=		--with-http_xslt_module=dynamic

# geoip

MODULE_BUILD_DEPENDS_geoip=,libgeoip-dev
MODULE_DEPENDS_geoip=,libgeoip1

define MODULE_POST_geoip
cat <<BANNER
----------------------------------------------------------------------

The $(MODULE_SUMMARY_geoip) for nginx have been installed.
To enable these modules, add the following to /etc/nginx/nginx.conf
and reload nginx:

    load_module modules/ngx_http_geoip_module.so;
    load_module modules/ngx_stream_geoip_module.so;

Please refer to the modules documentation for further details:
http://nginx.org/en/docs/http/ngx_http_geoip_module.html
http://nginx.org/en/docs/stream/ngx_stream_geoip_module.html

----------------------------------------------------------------------
BANNER
endef
export MODULE_POST_geoip

# image-filter

MODULE_BUILD_DEPENDS_image_filter=,libgd-dev

define MODULE_POST_image_filter
cat <<BANNER
----------------------------------------------------------------------

The $(MODULE_SUMMARY_image_filter) for nginx has been installed.
To enable this module, add the following to /etc/nginx/nginx.conf
and reload nginx:

    load_module modules/ngx_http_image_filter_module.so;

Please refer to the module documentation for further details:
http://nginx.org/en/docs/http/ngx_http_image_filter_module.html

----------------------------------------------------------------------
BANNER
endef
export MODULE_POST_image_filter

# njs

MODULE_VERSION_PREFIX_njs=$(BASE_VERSION).

define MODULE_PREINSTALL_njs
	mkdir -p $$(INSTALLDIR)/usr/share/doc/nginx-module-njs
	install -m644 $$(BUILDDIR_nginx)/extra/njs-$(MODULE_VERSION_njs)/README $$(INSTALLDIR)/usr/share/doc/nginx-module-njs/
endef
export MODULE_PREINSTALL_njs

define MODULE_POST_njs
cat <<BANNER
----------------------------------------------------------------------

The $(MODULE_SUMMARY_njs) for nginx have been installed.
To enable these modules, add the following to /etc/nginx/nginx.conf
and reload nginx:

    load_module modules/ngx_http_js_module.so;
    load_module modules/ngx_stream_js_module.so;

Please refer to the modules documentation for further details:
/usr/share/doc/nginx-module-njs/README
https://www.nginx.com/resources/wiki/nginScript/

----------------------------------------------------------------------
BANNER
endef
export MODULE_POST_njs

# perl

MODULE_BUILD_DEPENDS_perl=, libperl-dev
MODULE_DEPENDS_perl=, $$\{perl:Depends\}

define MODULE_PREINSTALL_perl
	cd $$(BUILDDIR_nginx) \&\& $$(MAKE) DESTDIR=$$(INSTALLDIR) INSTALLDIRS=vendor -f objs/Makefile install_perl_modules
	find $$(INSTALLDIR)/ -type f -name .packlist -exec rm -f '{}' \\;
	find $$(INSTALLDIR)/ -type f -name perllocal.pod -exec rm -f '{}' \\;
	find $$(INSTALLDIR)/ -type f -empty -exec rm -f '{}' \\;
	find $$(INSTALLDIR)/ -type f -iname '*.so' -exec chmod 0755 '{}' \\;
endef
export MODULE_PREINSTALL_perl

define MODULE_POST_perl
cat <<BANNER
----------------------------------------------------------------------

The $(MODULE_SUMMARY_perl) for nginx has been installed.
To enable this module, add the following to /etc/nginx/nginx.conf
and reload nginx:

    load_module modules/ngx_http_perl_module.so;

Please refer to the module documentation for further details:
http://nginx.org/en/docs/http/ngx_http_perl_module.html

----------------------------------------------------------------------
BANNER
endef
export MODULE_POST_perl

# xslt

MODULE_BUILD_DEPENDS_xslt=, libxslt1-dev

define MODULE_POST_xslt
cat <<BANNER
----------------------------------------------------------------------

The $(MODULE_SUMMARY_xslt) for nginx has been installed.
To enable this module, add the following to /etc/nginx/nginx.conf
and reload nginx:

    load_module modules/ngx_http_xslt_filter_module.so;

Please refer to the module documentation for further details:
http://nginx.org/en/docs/http/ngx_http_xslt_module.html

----------------------------------------------------------------------
BANNER
endef
export MODULE_POST_xslt


BASE_CONFIGURE_ARGS=\
	--prefix=/etc/nginx \
	--sbin-path=/usr/sbin/nginx \
	--modules-path=/usr/lib/nginx/modules \
	--conf-path=/etc/nginx/nginx.conf \
	--error-log-path=/var/log/nginx/error.log \
	--http-log-path=/var/log/nginx/access.log \
	--pid-path=/var/run/nginx.pid \
	--lock-path=/var/run/nginx.lock \
	--http-client-body-temp-path=/var/cache/nginx/client_temp \
	--http-proxy-temp-path=/var/cache/nginx/proxy_temp \
	--http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp \
	--http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp \
	--http-scgi-temp-path=/var/cache/nginx/scgi_temp \
	--user=nginx \
	--group=nginx \
	--with-compat \
	--with-file-aio \
	--with-threads \
	--with-http_addition_module \
	--with-http_auth_request_module \
	--with-http_dav_module \
	--with-http_flv_module \
	--with-http_gunzip_module \
	--with-http_gzip_static_module \
	--with-http_mp4_module \
	--with-http_random_index_module \
	--with-http_realip_module \
	--with-http_secure_link_module \
	--with-http_slice_module \
	--with-http_ssl_module \
	--with-http_stub_status_module \
	--with-http_sub_module \
	--with-http_v2_module \
	--with-mail \
	--with-mail_ssl_module \
	--with-stream \
	--with-stream_realip_module \
	--with-stream_ssl_module \
	--with-stream_ssl_preread_module

export CR=\\n

modname = $(shell echo $1 | cut -d '-' -f 3- | tr '-' '_')

default:
	@echo "valid targets: all base $(addprefix module-, $(MODULES)) test test-debug"

all:	base modules
	@echo "===> all done"

modules:	$(addprefix module-, $(MODULES))

rules:	rules-base $(addprefix rules-module-, $(MODULES))

base:	rules-base
	@echo "===> Building base package" ; \
	$(SHELL) -c "cd debuild-base/$(SRCDIR) ; export DEB_BUILD_OPTIONS=parallel=$(NPROC) ; time -p debuild -us -uc" && \
	find debuild-base/ -maxdepth 1 -type f -exec cp {} ../../ \; && \
	ln -s debuild-base/$(SRCDIR)/debian/nginx/usr/sbin base

$(BASE_SRC):
	@{ \
	if [ -f $(SRCPATH)/$(BASE_SRC) ]; then \
		cp -P $(SRCPATH)/$(BASE_SRC) $(BASE_SRC) ; \
	elif [ -f $(SRCPATH)/nginx_$(BASE_VERSION).orig.tar.gz ]; then \
		cp -P $(SRCPATH)/nginx_$(BASE_VERSION).orig.tar.gz $(BASE_SRC) ; \
	else \
		wget http://nginx.org/download/$(BASE_SRC) ; \
	fi ; \
	}

rules-base: $(BASE_SRC)
	@echo "===> Creating $@"
	@{ \
	set -e ; \
	mkdir -p debuild-base ; \
	cp $(BASE_SRC) debuild-base/nginx_$(BASE_VERSION).orig.tar.gz ; \
	tar -C debuild-base -xf debuild-base/nginx_$(BASE_VERSION).orig.tar.gz ; \
	mkdir -p debuild-base/$(SRCDIR)/debian ; \
	mkdir -p debuild-base/$(SRCDIR)/debian/source ; \
	echo "3.0 (quilt)" > debuild-base/$(SRCDIR)/debian/source/format ; \
	echo "9" > debuild-base/$(SRCDIR)/debian/compat ; \
	cat nginx.rules.in | sed \
		-e 's#%%CODENAME%%#$(CODENAME)#g' \
		-e 's#%%BASE_CONFIGURE_ARGS%%#$(BASE_CONFIGURE_ARGS)#g' \
		-e 's#%%BASE_CONFIGURE_ARGS%%#$(BASE_CONFIGURE_ARGS)#g' \
		> debuild-base/$(SRCDIR)/debian/rules ; \
	cat nginx.changelog.in | sed \
		-e 's#%%CODENAME%%#$(CODENAME)#g' \
		-e 's#%%MAIN_VERSION%%#$(BASE_VERSION)#g' \
		-e 's#%%MAIN_RELEASE%%#$(BASE_RELEASE)#g' \
		> debuild-base/$(SRCDIR)/debian/changelog ; \
	cp nginx.control.in debuild-base/$(SRCDIR)/debian/control ; \
	cp copyright ../CHANGES ../CHANGES.ru nginx.* nginx-debug.default debuild-base/$(SRCDIR)/debian/ ; \
	chmod +x debuild-base/$(SRCDIR)/debian/rules ; \
	ln -s debuild-base/$(SRCDIR)/debian/rules rules-base ; \
	}

module-%: rules-module-%
	@echo "===> Building nginx-$@ package" ; \
	$(SHELL) -c "cd debuild-$@/$(SRCDIR) ; export DEB_BUILD_OPTIONS=parallel=$(NPROC) ; time -p debuild -us -uc" && \
	find debuild-$@/ -maxdepth 1 -type f -exec cp {} ../../ \; && \
	ln -s debuild-$@/$(SRCDIR)/debian/nginx-$@/usr/lib/nginx/modules $@

rules-module-%: $(BASE_SRC)
	@echo "===> Creating $@"
	@{ \
	set -e ; \
	curdir=`pwd` ; \
	module=`echo $@ | cut -d '-' -f 3- | tr '-' '_'` ; \
	module_asis=`echo $@ | cut -d '-' -f 3-` ; \
	builddir=`echo debuild-module-$${module_asis}` ; \
	mkdir -p $${builddir} ; \
	cp $(BASE_SRC) $${builddir}/nginx-module-$${module_asis}_$(MODULE_VERSION_PREFIX_$(call modname, $@))$(MODULE_VERSION_$(call modname, $@)).orig.tar.gz ; \
	tar -C $${builddir} -xf $${builddir}/nginx-module-$${module_asis}_$(MODULE_VERSION_PREFIX_$(call modname, $@))$(MODULE_VERSION_$(call modname, $@)).orig.tar.gz ; \
	mkdir -p $${builddir}/$(SRCDIR)/debian/extra ; \
	mkdir -p $${builddir}/$(SRCDIR)/debian/source ; \
	echo "3.0 (quilt)" > $${builddir}/$(SRCDIR)/debian/source/format ; \
	echo "9" > $${builddir}/$(SRCDIR)/debian/compat ; \
	for src in $(MODULE_SOURCES_$(call modname, $@)); do \
		tar -C $${builddir}/$(SRCDIR)/debian/extra -xf extra/$${src} ; \
	done ; \
	for p in $(MODULE_PATCHES_$(call modname, $@)); do \
		( cd $${builddir}/$(SRCDIR)/debian/extra && patch -p1 < $${curdir}/extra/$${p} ) ; \
	done ; \
	( cd $${builddir}/$(SRCDIR) && find debian/ -type f -exec file --mime {} \; | fgrep 'charset=binary' | cut -d ':' -f 1 > include-binaries && mv include-binaries debian/source/ ) ; \
	copyright_file="nginx-module-$${module}.copyright" ; \
	if [ -f $${copyright_file} ]; then \
		copyright_source=$${copyright_file} ; \
	else \
		copyright_source=copyright ; \
	fi ; \
	changelog_file="nginx-module-$${module}.changelog.in" ; \
	if [ -f $${changelog_file} ]; then \
		changelog_tmpl=$${changelog_file} ; \
	else \
		changelog_tmpl=nginx-module.changelog.in ; \
	fi ; \
	cp $${copyright_source} $${builddir}/$(SRCDIR)/debian/copyright ; \
	definitions=`echo "$$MODULE_DEFINITIONS_$(call modname, $@)" | sed -e ':a' -e 'N' -e '$$!ba' -e "s/\n/\$$CR/g"` ; \
	addcontroltags=`echo "$$MODULE_ADD_CONTROL_TAGS_$(call modname, $@)" | sed -e ':a' -e 'N' -e '$$!ba' -e "s/\n/\$$CR/g"` ; \
	prebuild=`echo "$$MODULE_PREBUILD_$(call modname, $@)" | sed -e ':a' -e 'N' -e '$$!ba' -e "s/\n/\$$CR/g"` ; \
	preinstall=`echo "$$MODULE_PREINSTALL_$(call modname, $@)" | sed -e ':a' -e 'N' -e '$$!ba' -e "s/\n/\$$CR/g"` ; \
	post=`echo "$$MODULE_POST_$(call modname, $@)" | sed -e ':a' -e 'N' -e '$$!ba' -e "s/\n/\$$CR/g"` ; \
	cat nginx-module.control.in | sed \
		-e "s#%%MODULE%%#$${module_asis}#g" \
		-e "s#%%SUMMARY%%#nginx $(MODULE_SUMMARY_$(call modname, $@))#g" \
		-e "s#%%SHORT_SUMMARY%%#$(MODULE_SUMMARY_$(call modname, $@))#g" \
		-e "s#%%CODENAME%%#$(CODENAME)#g" \
		-e "s#%%MAIN_VERSION%%#$(BASE_VERSION)#g" \
		-e "s#%%MAIN_RELEASE%%#$(BASE_RELEASE)#g" \
		-e "s#%%VERSION_PREFIX%%#$(MODULE_VERSION_PREFIX_$(call modname, $@))#g" \
		-e "s#%%MODULE_VERSION%%#$(MODULE_VERSION_$(call modname, $@))#g" \
		-e "s#%%MODULE_RELEASE%%#$(MODULE_RELEASE_$(call modname, $@))#g" \
		-e "s#%%MODULE_BUILD_DEPENDS%%#$(MODULE_BUILD_DEPENDS_$(call modname, $@))#g" \
		-e "s#%%MODULE_DEPENDS%%#$(MODULE_DEPENDS_$(call modname, $@))#g" \
		-e "s#%%ADD_CONTROL_TAGS%%#$${addcontroltags}#g" \
	> $${builddir}/$(SRCDIR)/debian/control ; \
	cat $${changelog_tmpl} | sed \
		-e "s#%%MODULE%%#$${module_asis}#g" \
		-e "s#%%CODENAME%%#$(CODENAME)#g" \
		-e "s#%%VERSION_PREFIX%%#$(MODULE_VERSION_PREFIX_$(call modname, $@))#g" \
		-e "s#%%MODULE_VERSION%%#$(MODULE_VERSION_$(call modname, $@))#g" \
		-e "s#%%MODULE_RELEASE%%#$(MODULE_RELEASE_$(call modname, $@))#g" \
	> $${builddir}/$(SRCDIR)/debian/changelog ; \
	cat nginx-module.rules.in | sed \
		-e "s#%%MODULE%%#$${module_asis}#g" \
		-e "s#%%CODENAME%%#$(CODENAME)#g" \
		-e "s#%%MAIN_VERSION%%#$(BASE_VERSION)#g" \
		-e "s#%%MAIN_RELEASE%%#$(BASE_RELEASE)#g" \
		-e "s#%%BASE_CONFIGURE_ARGS%%#$(BASE_CONFIGURE_ARGS)#g" \
		-e "s#%%MODULE_CONFIGURE_ARGS%%#$(MODULE_CONFARGS_$(call modname, $@))#g" \
		-e "s#%%MODULE_DEFINITIONS%%#$${definitions}#g" \
		-e "s#%%MODULE_PREBUILD%%#$${prebuild}#g" \
		-e "s#%%MODULE_PREINSTALL%%#$${preinstall}#g" \
	> $${builddir}/$(SRCDIR)/debian/rules ; \
	cat nginx-module.postinst.in | sed \
		-e "s#%%MODULE_POST%%#$$post#g" \
	> $${builddir}/$(SRCDIR)/debian/nginx-module-$${module_asis}.postinst ; \
	chmod +x $${builddir}/$(SRCDIR)/debian/rules ; \
	ln -s $${builddir}/$(SRCDIR)/debian/rules $@ ; \
	}

nginx-tests:
	@{ \
	if [ -d "$(SRCPATH)/nginx-tests" ]; then \
		echo "===> Copying tests from $(SRCPATH)/nginx-tests" ; \
		cp -rP $(SRCPATH)/nginx-tests nginx-tests ; \
	else \
		echo "===> Cloning tests" ; \
		hg clone http://hg.nginx.org/nginx-tests ; \
	fi ; \
	}

test: base nginx-tests
	@echo "===> Running tests with regular binary/modules"
	@{ \
	pwd=`pwd` ; \
	globals= ; \
	for so in `find module-*/ -maxdepth 1 -type f -name "*module.so"`; do \
		globals="$$globals load_module $$pwd/$$so;" ; \
	done ; \
	if [ -d $$pwd/debuild-module-perl ]; then \
		globals="$$globals env PERL5LIB=$$pwd/debuild-module-perl/nginx-$(BASE_VERSION)/debian/build-nginx/objs/src/http/modules/perl:$$pwd/debuild-module-perl/nginx-$(BASE_VERSION)/debian/build-nginx/objs/src/http/modules/perl/blib/arch;" ; \
	fi ; \
	cd nginx-tests && TEST_NGINX_BINARY=$$pwd/base/nginx TEST_NGINX_GLOBALS="$$globals" prove . ; \
	}

test-debug: base nginx-tests
	@echo "===> Running tests with debug binary/modules"
	@{ \
	pwd=`pwd` ; \
	globals= ; \
	for so in `find module-*/ -maxdepth 1 -type f -name "*module-debug.so"`; do \
		globals="$$globals load_module $$pwd/$$so;" ; \
	done ; \
	if [ -d $$pwd/debuild-module-perl ]; then \
		globals="$$globals env PERL5LIB=$$pwd/debuild-module-perl/nginx-$(BASE_VERSION)/debian/build-nginx/objs/src/http/modules/perl:$$pwd/debuild-module-perl/nginx-$(BASE_VERSION)/debian/build-nginx/objs/src/http/modules/perl/blib/arch;" ; \
	fi ; \
	cd nginx-tests && TEST_NGINX_BINARY=$$pwd/base/nginx-debug TEST_NGINX_GLOBALS="$$globals" prove . ; \
	}

clean:
	@rm -rf base module-* rules-base rules-module-* debuild-base debuild-module-* nginx-tests

.PHONY:	default all modules rules test test-debug clean

.SECONDARY: