-*- mode: org -*-
#+TITLE:       configuration nix
#+DESCRIPTION: makefile for spine
#+FILETAGS:    :sisu:build:tools:
#+AUTHOR:      Ralph Amissah
#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
#+COPYRIGHT:   Copyright (C) 2015 - 2023 Ralph Amissah
#+LANGUAGE:    en
#+STARTUP:     content hideblocks hidestars noindent entitiespretty
#+PROPERTY:    header-args  :exports code
#+PROPERTY:    header-args+ :noweb yes
#+PROPERTY:    header-args+ :results no
#+PROPERTY:    header-args+ :cache no
#+PROPERTY:    header-args+ :padline no
#+PROPERTY:    header-args+ :mkdirp yes
#+OPTIONS:     H:3 num:nil toc:t \n:t ::t |:t ^:nil -:t f:t *:t

* nix :nix:

#+NAME: nixpkgs_local
#+BEGIN_SRC sh
/srv/nix/nixpkgs
#+END_SRC

- default.nix
- shell.nix

** envrc :envrc:
*** .envrc

- https://github.com/nix-community/nix-direnv
  - source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/${NixDirEnvVersion}/direnvrc" "sha256-0000000000000000000000000000000000000000000="

#+HEADER: :tangle ../.envrc
#+BEGIN_SRC sh
use flake .
#use flake .#default
NIX_ENFORCE_PURITY=1
NixDirEnvVersion="2.2.1"
if ! has nix_direnv_version || ! nix_direnv_version ${NixDirEnvVersion}; then
# - https://github.com/nix-community/nix-direnv
# source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/${NixDirEnvVersion}/direnvrc" "sha256-0000000000000000000000000000000000000000000="
  source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/${NixDirEnvVersion}/direnvrc" "sha256-zelF0vLbEl5uaqrfIzbgNzJWGmLzCmYAkInj/LNxvKs="
fi
watch_file flake.lock
watch_file flake.nix
if [ -f .envrc-local ]; then
  source_env_if_exists .envrc-local || source .envrc-local
fi
PATH_add result/bin
#nix flake update && nix flake check --show-trace && nix flake show
#+END_SRC

*** .envrc-local CHECK MODIFY

- bespoke modify appropriately and generate if needed

#+HEADER: :tangle ../.envrc-local_
#+HEADER: :noweb yes
#+BEGIN_SRC sh
export NIX_PATH=/nix/var/nix/profiles/per-user/root/channels/nixos
#export NIX_PATH=nixpkgs=/nixpkgs-ra/nixpkgs
## reload when these files change
use flake
watch_file flake.nix
#eval "$(nix print-dev-env)"
export sisuVER=$(git describe --long --tags | sed 's/^[ a-z_-]\+\([0-9.]\+\)/\1/;s/\([^-]*-g\)/r\1/;s/-/./g')
#export sisuBIN=bin
export sisuSRC=~/grotto/repo/git.repo/projects/project-sisu/sisu
export sisuDOC=~/grotto/repo/git.repo/projects/project-sisu/susu-markup/sisu-markup-samples/data/samples/current
export sisuOUT=/var/www
export sisuOUTver=/tmp/sisu/$sisuVER/www
export RUBYLIB+=`pwd`/lib
#+END_SRC

** flake :flake:
*** flake
**** flake.nix

#+HEADER: :tangle ../flake.nix
#+HEADER: :noweb yes
#+BEGIN_SRC nix
{
  description                  = "sisu parser & document generator";
  inputs.nixpkgs.url           = "github:NixOS/nixpkgs/nixpkgs-unstable"; # "github:nixos/nixpkgs"; "github:NixOS/nixpkgs/nixpkgs-unstable"; "nixpkgs/nixos-unstable"; "nixpkgs/nixos-21.11";
  inputs.flake-utils.url       = "github:numtide/flake-utils";
  outputs = { self, nixpkgs, flake-utils } @inputs:
    let
      pname                    = "sisu";
      version                  = "<<sisu_version_set>>";
      shell                    = ./shell.nix; # ./default.nix;
      devEnv                   = ./.envrc; # ./shell.nix; # ./default.nix;
      supportedSystems         = [ "x86_64-linux" ]; # [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ];
      forAllSystems            = nixpkgs.lib.genAttrs supportedSystems;
      nixpkgsFor               = forAllSystems (system: import nixpkgs { inherit system;  }); # nixpkgs instantiated for supported system types.
      checkPhase = ''
        runHook preCheck
        runHook postCheck
      '';
      preInstall = ''
        mkdir -p $out/lib
        mkdir -p $out/bin
      '';
      installPhase = ''
        runHook preInstall
        mkdir -p $out/lib
        mkdir -p $out/setup
        mkdir -p $out/data
        mkdir -p $out/bin
        #cp ./lib/sisu.rb $out/lib/sisu.rb
        cp -R ./lib/* $out/lib/.
        cp -R ./data/* $out/data/.
        cp -R ./setup/* $out/setup/.
        ln -s $out/setup/sisu_version.rb $out/version
        install -m755 ./bin/sisu $out/bin/sisu
        runHook postInstall
      '';
      postInstall = ''
        # echo `ls -la $out/bin/sisu`
        ## $out/bin/sisu -v
      '';
    in {
      packages = forAllSystems (system:
        let pkgs               = nixpkgsFor.${system};
        in with pkgs; {
          default = stdenv.mkDerivation {
            inherit pname;
            inherit version;
            meta.mainProgram   = "sisu";
            executable         = true;
            src                = self;
            inherit shell;
            inherit devEnv;
            buildInputs        = [
              ruby_3_1
              rubyPackages_3_1.rake
              rubyPackages_3_1.sqlite3
              rubyPackages_3_1.thor
              #ruby_2_7
              #rubyPackages_2_7.rake
              #rubyPackages_2_7.sqlite3
              #rubyPackages_2_7.thor
              sqlite
              unzip
              xz
              zip
              openssl
              nixFlakes
              validatePkgConfig
              jq
              git
              sqlite
            ];
            buildPhase = ''
            '';
            inherit checkPhase;
            inherit installPhase;
            inherit postInstall;
          };
          #vendorSha256 = "sha256-0Q00000000000000000000000000000000000000000=";
      });
      apps = forAllSystems (system: {
        default = {
          type                 = "app";
          program              = "${self.packages.${system}.default}/bin/sisu";
        };
      });
      devShells = forAllSystems (system:
        let
          pkgs = nixpkgsFor.${system};
          shellHook = ''
            export Date=`date "+%Y%m%d"`
            export sisuver=$(git describe --long --tags | sed 's/^[ a-z_-]\+\([0-9.]\+\)/\1/;s/\([^-]*-g\)/r\1/;s/-/./g')
            ### set local values in .envrc-local (or modify here if you must)
            # export sisuPROJ=~/grotto/repo/git.repo/projects/doc-reform/code/software/sisu
            # export sisuDOC=~/grotto/repo/git.repo/projects/project-sisu/doc-reform-markup/sisu-markup-samples
            # export sisuSRC=~/grotto/repo/git.repo/projects/project-sisu/sisu
            # export sisuDOC=~/grotto/repo/git.repo/projects/project-sisu/susu-markup/sisu-markup-samples/data/samples/current
            # export sisuOUT=/srv/www/sisu
            # export sisuOUTver=/srv/www/sisu/$sisuVER/www
            # export sisu=/srv/www/sisu
            # export sisu=/var/www/sqlite
            # export sisu=/srv/www/sisu/sqlite
            export sisu=$sisuPROJ/src
            export sisu=$sisuPROJ/result/lib
            export sisu=$sisuDOC/markup/pod
            export sisu=$sisuOUT/$sisuVER
            export sisu='http://localhost/sisu_search'
            # export sisuSearchActionRemote='https://sisudoc.org/sisu_search'
            export sisuCGIform='sisu_search'
            export sisuSQLdb='sisusearch.db'
            export PROG_VER_GIT="`git describe --long --tags | sed -e 's/^[ a-z_-]\+\([0-9.]\+\)/\1/;s/\([^-]*-g\)/r\1/;s/-/./g'`"
            export PROG_VER_DECLARED="`cat ./views/version.txt | grep --color=never "enum" | sed 's/.\+(\([0-9]\+\),[ \t]\+\([0-9]\+\),[ \t]\+\([0-9]\+\)[ \t]*).\+/\1.\2.\3/g'`"
            export sisuNixHelp="cat ./.env/nix-commands"
            export sisuTest="nix shell .#default --print-build-logs --command sisu --very-verbose --epub --html --html-link-search --html-link-curate --curate --output=\"\$sisuOUT\" $sisuPOD/*"
            export sisuHtml="sisu --very-verbose --html --html-link-search --html-link-curate --curate --sqlite-update --sqlite-db-filename=\"sisu.search.db\" --cgi-sqlite-search-filename=\"sisu_search\" --sqlite-db-path=\"\$sisuDBpath\" --output=\"\$sisuOUT\" $sisuPOD/*"
            export sisuEpub="sisu --very-verbose --epub --output=\"\$sisuOUT\" $sisuPOD/*"
            export sisuLatex="sisu --very-verbose --latex --output=\"\$sisuOUT\" $sisuPOD/*"
            export sisuPdf="sisu --very-verbose --pdf --output=\"\$sisuOUT\" $sisuPOD/*"
            export sisuSqliteCreateDB="sisu --very-verbose --sqlite-db-recreate --sqlite-db-path=\"$sisuDBpath\" --sqlite-db-filename=\"sisu.search.db\""
            export sisuSqlite="sisu --very-verbose --sqlite-discrete --sqlite-db-path=\"$sisuDBpath\" --sqlite-db-filename=\"sisu.search.db\" --output=\"\$sisuOUT\" $sisuPOD/*"
            #export sisuSqlite="sisu --very-verbose --sqlite-update --sqlite-db-path=\"$sisuDBpath\" --sqlite-db-filename=\"sisu.search.db\" --output=\"\$sisuOUT\" $sisuPOD/*"
          '';
        in with pkgs; {
          devShell = mkShell rec {
            name               = "sisu dev shell default";
            inherit shell;
            inherit devEnv;
            packages = [ sqlite ];
            inherit shellHook;
          };
          devShell-epub = mkShell rec {
            name               = "sisu dev shell for epub output";
            inherit shell;
            inherit devEnv;
            packages = [
              ruby_3_1
              rubyPackages_3_1.rake
              rubyPackages_3_1.sqlite3
              rubyPackages_3_1.thor
              sqlite
              zip
              unzip
              xz
              libxml2
              html-tidy
              xmlstarlet
              epubcheck
              ebook_tools
              libxml2
              html-tidy
              xmlstarlet
              epubcheck
              ebook_tools
              epr
              sigil
              calibre #(suite includes: ebook-viewer)
              foliate
              devenv
              nixFlakes
              validatePkgConfig
              jq
              git
            ];
            inherit shellHook;
          };
          devShell-html = mkShell rec {
            name               = "sisu dev shell for latex & pdf output";
            inherit shell;
            inherit devEnv;
            packages = [
              ruby_3_1
              rubyPackages_3_1.rake
              rubyPackages_3_1.sqlite3
              rubyPackages_3_1.thor
              sqlite
              zip
              unzip
              xz
              devenv
              nixFlakes
              validatePkgConfig
              jq
              git
            ];
            inherit shellHook;
          };
          devShell-latex-pdf = mkShell rec {
            name               = "sisu dev shell for latex & pdf output";
            inherit shell;
            inherit devEnv;
            packages = [
              ruby_3_1
              rubyPackages_3_1.rake
              rubyPackages_3_1.sqlite3
              rubyPackages_3_1.thor
              sqlite
              zip
              unzip
              xz
              source-sans-pro
              source-serif-pro
              source-code-pro
              texlive.combined.scheme-full
              devenv
              nixFlakes
              validatePkgConfig
              jq
              git
            ];
            inherit shellHook;
          };
          devShell-sqlite = mkShell rec {
            name               = "sisu dev shell for latex & pdf output";
            inherit shell;
            inherit devEnv;
            packages = [
              ruby_3_1
              rubyPackages_3_1.rake
              rubyPackages_3_1.sqlite3
              rubyPackages_3_1.thor
              sqlite
              zip
              unzip
              xz
              devenv
              nixFlakes
              validatePkgConfig
              jq
              git
            ];
            inherit shellHook;
          };
          devShell-i18n = mkShell {
            name               = "sisu dev shell internationalization, po4a";
            inherit shell;
            inherit devEnv;
            packages = [
              ruby_3_1
              rubyPackages_3_1.rake
              rubyPackages_3_1.sqlite3
              rubyPackages_3_1.thor
              sqlite
              perl534Packages.Po4a
              devenv
              nixFlakes
              validatePkgConfig
              jq
              git
            ];
            inherit shellHook;
          };
      });
  };
}
#+END_SRC

** shell.nix TODO

#+HEADER: :tangle ../shell.nix
#+HEADER: :shebang #!/usr/bin/env -S nix-shell --pure
#+HEADER: :tangle-mode (identity #o755)
#+BEGIN_SRC nix
{ pkgs ? import <nixpkgs> {} }:
with pkgs;
mkShell {
  buildInputs = [
    <<ruby_current>>
    <<packages_project_relevant>>
    <<packages_build>>
    <<packages_extra>>
  ];
  shellHook = ''
    if [[ -e ".envrc" ]]; then
      source .envrc
    fi
    eval "$(starship init bash)"
  '';
}
#+END_SRC

** packages.nix
*** default

#+HEADER: :NO-tangle ../packages.nix
#+BEGIN_SRC nix
{ pkgs ? import <nixpkgs> {} }:
with pkgs; [
  <<ruby_current>>
  <<packages_project_relevant>>
  <<packages_build>>
]
#+END_SRC

*** ruby 3.1

#+HEADER: :tangle ../nix/pkglst/packages_ruby_3_1.nix
#+BEGIN_SRC nix
{ pkgs ? import <nixpkgs> {} }:
with pkgs; [
  <<ruby_version_3_1>>
  <<packages_project_relevant>>
  <<packages_build>>
]
#+END_SRC

*** ruby 3.0

#+HEADER: :tangle ../nix/pkglst/packages_ruby_3_0.nix
#+BEGIN_SRC nix
{ pkgs ? import <nixpkgs> {} }:
with pkgs; [
  <<ruby_version_3_0>>
  <<packages_project_relevant>>
  <<packages_build>>
]
#+END_SRC

*** ruby legacy

#+NAME: ruby_legacy
#+BEGIN_SRC nix
<<ruby_version_3_0>>
#+END_SRC

*** ruby current

#+NAME: ruby_current
#+BEGIN_SRC nix
<<ruby_version_3_1>>
#+END_SRC

*** ruby next

#+NAME: ruby_next
#+BEGIN_SRC nix
<<ruby_version_3_1>>
#+END_SRC

*** ruby 3.0 - ruby_version_3_0

#+NAME: ruby_version_3_0
#+BEGIN_SRC nix
ruby_3_0
rubyPackages_3_0.rake
rubyPackages_3_0.sqlite3
rubyPackages_3_0.thor
#+END_SRC

*** ruby 3.1 - ruby_version_3_1

#+NAME: ruby_version_3_1
#+BEGIN_SRC nix
ruby_3_1
rubyPackages_3_1.rake
rubyPackages_3_1.sqlite3
rubyPackages_3_1.thor
#+END_SRC

*** nix related packages

#+NAME: nix_packages
#+BEGIN_SRC nix
nix
bundler
bundix
#+END_SRC

*** project relevant packages

#+NAME: packages_project_relevant
#+BEGIN_SRC nix
sqlite
unzip
xz
zip
openssl
#texlive-combined-full
#+END_SRC

*** project misc build packages

#+NAME: packages_build
#+BEGIN_SRC nix
nixFlakes
validatePkgConfig
jq
git
#+END_SRC

#+NAME: packages_extra
#+BEGIN_SRC nix
starship
#+END_SRC

** variables
** spine version SET VERSION :version:set:project:

#+NAME: sisu_version_set
#+BEGIN_SRC sh
0.7.3
#+END_SRC