# Maintainer: psykose <alice@ayaya.dev>
pkgname=nginx-current
pkgver=1.23.3
pkgrel=0
pkgdesc="HTTP and reverse proxy server (current version)"
url="https://www.nginx.org/"
arch="all"
license="BSD-2-Clause"
depends="!nginx"
makedepends="
	brotli-dev
	clang
	file-dev
	gd-dev
	libxml2-dev
	libxslt-dev
	lld
	linux-headers
	openssl-dev>3
	pcre2-dev
	perl-dev
	zeromq-dev
	zlib-dev
	"
pkgusers="nginx"
_grp_ngx="nginx"
_grp_www="www-data"
pkggroups="$_grp_ngx $_grp_www"
install="$pkgname.pre-install $pkgname.post-install $pkgname.pre-upgrade $pkgname.post-upgrade"
subpackages="$pkgname-doc $pkgname-openrc $pkgname-vim::noarch"
source="https://nginx.org/download/nginx-$pkgver.tar.gz
	nginx.conf
	default.conf
	stream.conf
	nginx.logrotate
	nginx.initd
	nginx.confd
	"
builddir="$srcdir/nginx-$pkgver"
options="!check" # no time!

export CC=clang
export CFLAGS="$CFLAGS -flto=thin"
# passed below
export LDFLAGS="$LDFLAGS -flto=thin -fuse-ld=lld -Wl,--icf=safe,--gc-sections"

_modules_dir="usr/lib/nginx/modules"

# Built-in dynamic modules
for _mod in \
	stream
do
	subpackages="$subpackages $pkgname-mod-$_mod:_module"
done

# Third-party dynamic modules

# For simplicity we assume that module is hosted on GitHub.
_add_module() {
	local name="$1" ver="$2" url="$3" subdir="$4" enabled="${5:-true}"
	local dirname=${url##*/}-${ver#v}
	local varprefix="_${name//-/_}"

	eval "${varprefix}_ver='$ver'; ${varprefix}_url='$url'"

	# Don't add new flag and source if it's already there, i.e. two or more
	# modules share the same source (e.g. geoip2 that provides http-geoip2
	# and stream-geoip2).
	if ! printf '%s\n' $_extra_flags | grep -qFw "$srcdir/$dirname"; then
		source="$source $dirname.tar.gz::$url/archive/$ver.tar.gz"
		# $source must be always in-sync with $sha512sums, so we have to
		# add there source of a module that is disabled on the current arch.
		[ "$enabled" = false ] && return

		_extra_flags="$_extra_flags --add-dynamic-module=$srcdir/$dirname/$subdir"
	fi
	subpackages="$subpackages $pkgname-mod-$name:_module"
}

_add_module "http-mime-magic" "v0.1.0" "https://github.com/Yureien/nginx-mime-magic-module"
_add_module "http-fancyindex" "v0.5.2" "https://github.com/aperezdc/ngx-fancyindex"

build() {
	./configure \
		--prefix=/var/lib/nginx \
		--sbin-path=/usr/sbin/nginx \
		--modules-path=/$_modules_dir \
		--conf-path=/etc/nginx/nginx.conf \
		--pid-path=/run/nginx/nginx.pid \
		--lock-path=/run/nginx/nginx.lock \
		--http-client-body-temp-path=/var/lib/nginx/tmp/client_body \
		--http-proxy-temp-path=/var/lib/nginx/tmp/proxy \
		--http-fastcgi-temp-path=/var/lib/nginx/tmp/fastcgi \
		--http-uwsgi-temp-path=/var/lib/nginx/tmp/uwsgi \
		--http-scgi-temp-path=/var/lib/nginx/tmp/scgi \
		--with-perl_modules_path=/usr/lib/perl5/vendor_perl \
		\
		--user=$pkgusers \
		--group=$_grp_ngx \
		--with-threads \
		--with-file-aio \
		--with-ld-opt="-lmagic $LDFLAGS" \
		\
		--with-http_ssl_module \
		--with-http_v2_module \
		--with-http_realip_module \
		--with-http_addition_module \
		--with-http_sub_module \
		--with-http_flv_module \
		--with-http_mp4_module \
		--with-http_gunzip_module \
		--with-http_gzip_static_module \
		--with-http_auth_request_module \
		--with-http_random_index_module \
		--with-http_secure_link_module \
		--with-http_degradation_module \
		--with-http_slice_module \
		--with-http_stub_status_module \
		--with-mail_ssl_module \
		--with-openssl-opt=enable-ktls \
		--with-stream=dynamic \
		--with-stream_ssl_module \
		--with-stream_realip_module \
		--with-stream_ssl_preread_module \
		\
		$_extra_flags

	make
}

package() {
	make DESTDIR="$pkgdir" install
	chown root:root "$pkgdir"/usr/sbin/nginx

	install -Dm644 LICENSE "$pkgdir"/usr/share/licenses/$pkgname/LICENSE
	install -Dm644 README "$pkgdir"/usr/share/doc/$pkgname/README

	install -Dm644 objs/nginx.8 "$pkgdir"/usr/share/man/man8/nginx.8

	# local name; for name in ngx_devel_kit nginx-rtmp-module; do
	# 	cp -r "$srcdir"/$name-*/doc* "$pkgdir"/usr/share/doc/$pkgname/$name
	# done
	cd "$pkgdir"

	install -Dm644 "$srcdir"/nginx.conf ./etc/nginx/nginx.conf
	install -dm755 ./etc/nginx/http.d ./etc/nginx/modules

	install -Dm755 "$srcdir"/nginx.initd ./etc/init.d/nginx
	install -Dm644 "$srcdir"/nginx.confd ./etc/conf.d/nginx
	install -Dm644 "$srcdir"/nginx.logrotate ./etc/logrotate.d/nginx

	install -dm750 -o $pkgusers -g $_grp_ngx ./var/lib/nginx
	install -dm700 -o $pkgusers -g $_grp_ngx ./var/lib/nginx/tmp
	install -dm755 -g $_grp_www ./var/www/localhost/htdocs

	install -Dm644 "$srcdir"/default.conf ./usr/share/nginx/http-default_server.conf

	install -dm755 ./var/log
	mv ./var/lib/nginx/logs ./var/log/nginx
	chown $pkgusers:$_grp_ngx var/log/nginx

	ln -sf /$_modules_dir ./var/lib/nginx/modules
	ln -sf /var/log/nginx ./var/lib/nginx/logs
	ln -sf /run/nginx ./var/lib/nginx/run

	# Remove archaic charset maps.
	rm ./etc/nginx/koi-* ./etc/nginx/win-utf

	rm -rf ./run ./etc/nginx/*.default
}

vim() {
	pkgdesc="$pkgdesc (vim syntax)"
	install_if="vim $pkgname=$pkgver-r$pkgrel"
	depends=

	mkdir -p "$subpkgdir"/usr/share/vim
	cp -r "$builddir"/contrib/vim "$subpkgdir"/usr/share/vim/vimfiles
}

_module() {
	local name="${subpkgname#$pkgname-mod-}"; name="${name//-/_}"
	local ver=$(getvar _${name}_ver)

	pkgdesc="Nginx module ${name//_/-}"
	[ "$ver" ] && pkgdesc="Nginx third-party module ${name//_/-} (version $ver)"

	url=$(getvar "_${name}_url" "$url")
	sonames=$(getvar "_${name}_so" "ngx_${name}_module.so")
	depends="$pkgname $(getvar "_${name}_depends")"
	provides=$(getvar "_${name}_provides")

	# Numeric prefix for the module config to ensure that modules with
	# dependencies on other modules will be loaded after their dependencies.
	# For simplicity, we don't actually resolve dependency tree. Instead,
	# we just prefix the module name with a number that reflects number of
	# the module's dependencies times ten (e.g. 10, 20, 30, ...).
	local conf_prefix="$(echo "$depends" | wc -w)0_"

	mkdir -p "$subpkgdir"/$_modules_dir
	mkdir -p "$subpkgdir"/etc/nginx/modules

	cd "$subpkgdir"

	local soname; for soname in $sonames; do
		mv "$pkgdir"/$_modules_dir/$soname ./$_modules_dir/$soname
		echo "load_module \"modules/$soname\";" >> ./etc/nginx/modules/${conf_prefix}$name.conf
	done

	case "$name" in
		http_perl)
			mv "$pkgdir"/usr/lib/perl5 "$subpkgdir"/usr/lib/
		;;
		http_naxsi)
			install -m644 -D "$srcdir"/naxsi-*/naxsi_config/naxsi_core.rules \
				./etc/nginx/naxsi_core.rules
		;;
		stream)
			mkdir -p ./etc/nginx/stream.d
			install -m644 "$srcdir"/stream.conf ./etc/nginx/stream.conf
		;;
	esac
}

# Print value of the specified variable, or the default if empty or not defined.
getvar() {
	eval "printf '%s\n' \"\${$1:-$2}\""
}

sha512sums="
da5f473ac213f8947f40f0a69820bf981157432fe9d29cf71fe30225dadd05f5814309034f0411ea15fb70bece8ceefc0cb0b2588096c1a9496c2a36fa425d9f  nginx-1.23.3.tar.gz
9c5ee975dffa15b76688ef798371635f38f1e6773b143c738add26297878dddfc20ebf276e3871a60f28b197e8a70496ca17d4816c2136171978c157bb8e591f  nginx.conf
0907f69dc2d3dc1bad3a04fb6673f741f1a8be964e22b306ef9ae2f8e736e1f5733a8884bfe54f3553fff5132a0e5336716250f54272c3fec2177d6ba16986f3  default.conf
f3321a45736697009817db335ad36d3f1d05f60d98ac90a943220cdd4c00c52632f018db6a6076d5431a483525aacc5725b87b765b590e2f63b3ef98c5b16bd8  stream.conf
09b110693e3f4377349ccea3c43cb8199c8579ee351eae34283299be99fdf764b0c1bddd552e13e4d671b194501618b29c822e1ad53b34101a73a63954363dbb  nginx.logrotate
ee10a5687740dde0c3d18d8b3555f49fcdc6abfc0a3bc2de1de3be0e99951a346fe8027d916aab73071ecd4e2c50871e7c867aca3a7a0fd16e3374c5caed1c57  nginx.initd
0b9b9ed01ac077e334c034faa2679f6e26740fb3362eebf8cef82d22b2af2a3faaa53bae3c9e14af51cbf64720a7c66431905ca5cc43f978366456cc4e3b7f4a  nginx.confd
68e5507c65abff2a199929db0a45a46a736bd903adebb411bcf32ec22c83cfd24ccd047635e1901ff50abdd1de22a7a1d0bb4f4f4205c6a710e238e8ef3199ee  nginx-mime-magic-module-0.1.0.tar.gz
c208cdf3e245527d7b313f9ef1f5d36ca26e3bdafe67df56492a13b7726587538665e5d9fd50f295fc933f218dc33394f2fe442713d15631701dbfc4a156799b  ngx-fancyindex-0.5.2.tar.gz
"