mirror of
https://github.com/SebastianWendel/nixpkgs.git
synced 2024-09-21 21:09:00 +02:00
04e6b03fa9
Some plugin repos already have a `gems` directory. This lets the packager choose whether it should be kept and the nix packaged ruby gems should be copied into it or if it should be removed in favor of our ruby gems.
320 lines
9.3 KiB
Nix
320 lines
9.3 KiB
Nix
{ stdenv, pkgs, makeWrapper, runCommand, lib, writeShellScript
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, fetchFromGitHub, bundlerEnv, callPackage
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, ruby, replace, gzip, gnutar, git, cacert, util-linux, gawk
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, imagemagick, optipng, pngquant, libjpeg, jpegoptim, gifsicle, libpsl
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, redis, postgresql, which, brotli, procps, rsync, nodePackages, v8
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, plugins ? []
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}@args:
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let
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version = "2.7.7";
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src = fetchFromGitHub {
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owner = "discourse";
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repo = "discourse";
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rev = "v${version}";
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sha256 = "sha256-rhcTQyirgPX0ITjgotJAYLLSU957GanxAYYhy9j123U=";
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};
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runtimeDeps = [
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# For backups, themes and assets
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rubyEnv.wrappedRuby
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rsync
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gzip
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gnutar
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git
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brotli
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# Misc required system utils
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which
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procps # For ps and kill
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util-linux # For renice
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gawk
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# Image optimization
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imagemagick
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optipng
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pngquant
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libjpeg
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jpegoptim
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gifsicle
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nodePackages.svgo
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];
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runtimeEnv = {
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HOME = "/run/discourse/home";
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RAILS_ENV = "production";
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UNICORN_LISTENER = "/run/discourse/sockets/unicorn.sock";
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};
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mkDiscoursePlugin =
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{ name ? null
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, pname ? null
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, version ? null
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, meta ? null
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, bundlerEnvArgs ? {}
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, preserveGemsDir ? false
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, src
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, ...
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}@args:
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let
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rubyEnv = bundlerEnv (bundlerEnvArgs // {
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inherit name pname version ruby;
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});
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in
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stdenv.mkDerivation (builtins.removeAttrs args [ "bundlerEnvArgs" ] // {
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pluginName = if name != null then name else "${pname}-${version}";
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dontConfigure = true;
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dontBuild = true;
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installPhase = ''
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runHook preInstall
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mkdir -p $out
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cp -r * $out/
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'' + lib.optionalString (bundlerEnvArgs != {}) (
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if preserveGemsDir then ''
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cp -r ${rubyEnv}/lib/ruby/gems/* $out/gems/
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''
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else ''
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if [[ -e $out/gems ]]; then
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echo "Warning: The repo contains a 'gems' directory which will be removed!"
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echo " If you need to preserve it, set 'preserveGemsDir = true'."
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rm -r $out/gems
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fi
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ln -sf ${rubyEnv}/lib/ruby/gems $out/gems
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'' + ''
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runHook postInstall
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'');
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});
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rake = runCommand "discourse-rake" {
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nativeBuildInputs = [ makeWrapper ];
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} ''
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mkdir -p $out/bin
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makeWrapper ${rubyEnv}/bin/rake $out/bin/discourse-rake \
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${lib.concatStrings (lib.mapAttrsToList (name: value: "--set ${name} '${value}' ") runtimeEnv)} \
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--prefix PATH : ${lib.makeBinPath runtimeDeps} \
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--set RAKEOPT '-f ${discourse}/share/discourse/Rakefile' \
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--run 'cd ${discourse}/share/discourse'
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'';
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rubyEnv = bundlerEnv {
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name = "discourse-ruby-env-${version}";
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inherit version ruby;
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gemdir = ./rubyEnv;
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gemset =
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let
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gems = import ./rubyEnv/gemset.nix;
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in
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gems // {
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libv8-node =
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let
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noopScript = writeShellScript "noop" "exit 0";
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linkFiles = writeShellScript "link-files" ''
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cd ../..
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mkdir -p vendor/v8/out.gn/libv8/obj/
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ln -s "${v8}/lib/libv8.a" vendor/v8/out.gn/libv8/obj/libv8_monolith.a
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ln -s ${v8}/include vendor/v8/include
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mkdir -p ext/libv8-node
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echo '--- !ruby/object:Libv8::Node::Location::Vendor {}' >ext/libv8-node/.location.yml
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'';
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in gems.libv8-node // {
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dontBuild = false;
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postPatch = ''
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cp ${noopScript} libexec/build-libv8
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cp ${noopScript} libexec/build-monolith
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cp ${noopScript} libexec/download-node
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cp ${noopScript} libexec/extract-node
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cp ${linkFiles} libexec/inject-libv8
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'';
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};
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mini_suffix = gems.mini_suffix // {
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propagatedBuildInputs = [ libpsl ];
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dontBuild = false;
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# Use our libpsl instead of the vendored one, which isn't
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# available for aarch64. It has to be called
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# libpsl.x86_64.so or it isn't found.
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postPatch = ''
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cp $(readlink -f ${libpsl}/lib/libpsl.so) vendor/libpsl.x86_64.so
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'';
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};
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};
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groups = [
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"default" "assets" "development" "test"
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];
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};
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assets = stdenv.mkDerivation {
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pname = "discourse-assets";
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inherit version src;
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nativeBuildInputs = [
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rubyEnv.wrappedRuby
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postgresql
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redis
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which
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brotli
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procps
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nodePackages.uglify-js
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nodePackages.terser
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];
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patches = [
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# Use the Ruby API version in the plugin gem path, to match the
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# one constructed by bundlerEnv
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./plugin_gem_api_version.patch
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# Change the path to the auto generated plugin assets, which
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# defaults to the plugin's directory and isn't writable at the
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# time of asset generation
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./auto_generated_path.patch
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];
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# We have to set up an environment that is close enough to
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# production ready or the assets:precompile task refuses to
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# run. This means that Redis and PostgreSQL has to be running and
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# database migrations performed.
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preBuild = ''
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export SSL_CERT_FILE=${cacert}/etc/ssl/certs/ca-bundle.crt
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redis-server >/dev/null &
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initdb -A trust $NIX_BUILD_TOP/postgres >/dev/null
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postgres -D $NIX_BUILD_TOP/postgres -k $NIX_BUILD_TOP >/dev/null &
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export PGHOST=$NIX_BUILD_TOP
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echo "Waiting for Redis and PostgreSQL to be ready.."
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while ! redis-cli --scan >/dev/null || ! psql -l >/dev/null; do
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sleep 0.1
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done
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psql -d postgres -tAc 'CREATE USER "discourse"'
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psql -d postgres -tAc 'CREATE DATABASE "discourse" OWNER "discourse"'
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psql 'discourse' -tAc "CREATE EXTENSION IF NOT EXISTS pg_trgm"
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psql 'discourse' -tAc "CREATE EXTENSION IF NOT EXISTS hstore"
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# Create a temporary home dir to stop bundler from complaining
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mkdir $NIX_BUILD_TOP/tmp_home
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export HOME=$NIX_BUILD_TOP/tmp_home
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${lib.concatMapStringsSep "\n" (p: "ln -sf ${p} plugins/${p.pluginName or ""}") plugins}
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export RAILS_ENV=production
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bundle exec rake db:migrate >/dev/null
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rm -r tmp/*
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'';
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buildPhase = ''
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runHook preBuild
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bundle exec rake assets:precompile
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runHook postBuild
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'';
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installPhase = ''
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runHook preInstall
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mv public/assets $out
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runHook postInstall
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'';
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};
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discourse = stdenv.mkDerivation {
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pname = "discourse";
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inherit version src;
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buildInputs = [
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rubyEnv rubyEnv.wrappedRuby rubyEnv.bundler
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];
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patches = [
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# Load a separate NixOS site settings file
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./nixos_defaults.patch
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# Add a noninteractive admin creation task
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./admin_create.patch
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# Disable jhead, which is currently marked as vulnerable
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./disable_jhead.patch
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# Add the path to the CA cert bundle to make TLS work
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./action_mailer_ca_cert.patch
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# Log Unicorn messages to the journal and make request timeout
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# configurable
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./unicorn_logging_and_timeout.patch
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# Use the Ruby API version in the plugin gem path, to match the
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# one constructed by bundlerEnv
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./plugin_gem_api_version.patch
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# Use mv instead of rename, since rename doesn't work across
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# device boundaries
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./use_mv_instead_of_rename.patch
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# Change the path to the auto generated plugin assets, which
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# defaults to the plugin's directory and isn't writable at the
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# time of asset generation
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./auto_generated_path.patch
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];
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postPatch = ''
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# Always require lib-files and application.rb through their store
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# path, not their relative state directory path. This gets rid of
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# warnings and means we don't have to link back to lib from the
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# state directory.
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find config -type f -execdir sed -Ei "s,(\.\./)+(lib|app)/,$out/share/discourse/\2/," {} \;
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'';
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buildPhase = ''
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runHook preBuild
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mv config config.dist
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mv public public.dist
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runHook postBuild
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'';
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installPhase = ''
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runHook preInstall
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mkdir -p $out/share
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cp -r . $out/share/discourse
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rm -r $out/share/discourse/log
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ln -sf /var/log/discourse $out/share/discourse/log
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ln -sf /run/discourse/tmp $out/share/discourse/tmp
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ln -sf /run/discourse/config $out/share/discourse/config
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ln -sf /run/discourse/assets/javascripts/plugins $out/share/discourse/app/assets/javascripts/plugins
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ln -sf /run/discourse/public $out/share/discourse/public
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ln -sf ${assets} $out/share/discourse/public.dist/assets
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${lib.concatMapStringsSep "\n" (p: "ln -sf ${p} $out/share/discourse/plugins/${p.pluginName or ""}") plugins}
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runHook postInstall
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'';
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meta = with lib; {
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homepage = "https://www.discourse.org/";
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platforms = platforms.linux;
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maintainers = with maintainers; [ talyz ];
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license = licenses.gpl2Plus;
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description = "Discourse is an open source discussion platform";
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};
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passthru = {
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inherit rubyEnv runtimeEnv runtimeDeps rake mkDiscoursePlugin;
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enabledPlugins = plugins;
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plugins = callPackage ./plugins/all-plugins.nix { inherit mkDiscoursePlugin; };
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ruby = rubyEnv.wrappedRuby;
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tests = import ../../../../nixos/tests/discourse.nix { package = pkgs.discourse.override args; };
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};
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};
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in discourse
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