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-*- mode: org -*-
#+TITLE:       configuration nix
#+DESCRIPTION: makefile for spine
#+FILETAGS:    :spine: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

** spine

- 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
PATH_add result/bin
export DFLAGS="-O2 -inline -boundscheck=on -color=on"
#export sisuBIN=result/bin
export sisuPROJ=~/grotto/repo/git.repo/projects/doc-reform/code/software/sisu
export sisuDOC=.
export sisuDBpath=/var/www/sqlite
#export sisuDBpath=/srv/www/sisu/sqlite
export sisuOUT=/srv/www/sisu
export sisuCGIbin=/var/www/cgi/cgi-bin
export sisuSearchActionLocal='http://localhost/sisu_search'
export sisuSearchActionRemote='https://sisudoc.org/sisu_search'
export sisuCGIform='sisu_search'
export sisuSQLdb='spine.search.db'
#+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";
    flake-utils.url            = "github:numtide/flake-utils";
    sisu.url                  = "git://git.sisudoc.org/software/sisu";
    #git clone git://git.sisudoc.org/software/sisu
    sisu.inputs.nixpkgs.follows = "nixpkgs";
    sisu.flake                = true;
  };
  outputs = { self, nixpkgs, flake-utils, sisu } @inputs:
    let
      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.
    in {
      packages = forAllSystems (system:
        let pkgs               = nixpkgsFor.${system};
        in {
          default              = sisu.packages.${system}.default;
          #vendorSha256         = "sha256-0Q00000000000000000000000000000000000000000=";
      });
      apps = forAllSystems (system: {
        default = {
          type                 = "app";
          program              = "${self.packages.${system}.default}/bin/sisu";
        };
      });
      devShells = forAllSystems (system:
        let
          pkgs = nixpkgsFor.${system};
          shellHook = ''
            export Date=`date "+%Y%m%d"`
            ### set local values in .envrc-local (or modify here if you must)
            # export sisuPROJ=~/grotto/repo/git.repo/projects/doc-reform/code/software/sisu
            # export sisuDOC=~/grotto/repo/git.repo/projects/project-sisu/doc-reform-markup/sisu-markup-samples
            # export sisu=/srv/www/sisu
            # export sisu=/var/www/sqlite
            # export sisu=/srv/www/sisu/sqlite
            export sisu=$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 {
            name               = "sisu dev shell default";
            inherit shell;
            inherit devEnv;
            packages = [ sqlite ];
            inherit shellHook;
          };
          devShell-epub = mkShell {
            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
              nixFlakes
              validatePkgConfig
              jq
              git
            ];
            inherit shellHook;
          };
          devShell-html = mkShell {
            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
              nixFlakes
              validatePkgConfig
              jq
              git
            ];
            inherit shellHook;
          };
          devShell-latex-pdf = mkShell {
            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
              nixFlakes
              validatePkgConfig
              jq
              git
            ];
            inherit shellHook;
          };
          devShell-sqlite = mkShell {
            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
              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
              nixFlakes
              validatePkgConfig
              jq
              git
            ];
            inherit shellHook;
          };
      });
  };
}
#+END_SRC

*** flake :flake:
**** notes?

- flake.nix
    /srv/nix/nixpkgs
    ./shell.nix
  - shell.nix
      ./pkgs/shell-pkgs.nix
    - pkgs/shell-pkgs.nix
  - default.nix
     ./nix/dub.selections.nix #
    - dub.selections.nix

- nix develop

- nix flake update

- nix shell -f default.nix --print-build-logs
- nix shell -c default.nix

- nix build `nix-instantiate`
- nix build -f default.nix --print-build-logs
- nix shell -f default.nix --print-build-logs
- nix develop --build -f derivation.nix -I .envrc --print-build-logs
- nix develop --profile .#default --print-build-logs --command spine -v

- nix search --json 2>/dev/null |jq
- nix flake show
- nix show-derivation

# nix-instantiate | nix-build

#nix flake update
#nix flake check
#nix flake show
#nix develop
#nix build .#default --print-build-logs

#+BEGIN_SRC nix
src = fetchTarball {
  url       = "file:///[path]/$(pname)-$(version).tar.gz";
  sha256    = "sha256:0000000000000000000000000000000000000000000000000000";
};
#+END_SRC

**** flake parts
***** flake metadata

#+NAME: flake_metadata
#+HEADER: :noweb yes
#+BEGIN_SRC nix
pname       = "spine";
version     = "<<sisu_version_set>>";
description = "a sisu like parser and document generator";
#+END_SRC

***** flake inputs
****** flake inputs static

#+NAME: flake_inputs_nix
#+HEADER: :noweb yes
#+BEGIN_SRC nix
nixpkgs.url          = "github:nixos/nixpkgs";
flake-utils.url      = "github:numtide/flake-utils";
#+END_SRC

****** flake inputs for dub2nix

#+NAME: flake_inputs_dub2nix
#+HEADER: :noweb yes
#+BEGIN_SRC nix
flake-utils.url    = "github:numtide/flake-utils";
nixpkgs.url        = "github:nixos/nixpkgs";
d2sqlite3-src      = { url = "github:dlang-community/d2sqlite3"; flake = false; };
tinyendian-src     = { url = "github:kiith-sa/tinyendian";       flake = false; };
dyaml-src          = { url = "github:dlang-community/D-YAML";    flake = false; };
imageformats-src   = { url = "github:lgvz/imageformats";         flake = false; };
dub2nix-src        = { url = "github:lionello/dub2nix";          flake = false; };
#+END_SRC

***** flake outputs
****** flake outputs static

#+NAME: flake_outputs
#+HEADER: :noweb yes
#+BEGIN_SRC nix
self, nixpkgs, flake-utils
#+END_SRC

****** flake outputs for dub2nix

#+NAME: flake_outputs_dub2nix
#+HEADER: :noweb yes
#+BEGIN_SRC nix
self, nixpkgs, flake-utils, dub2nix-src, d2sqlite3-src, tinyendian-src, dyaml-src, imageformats-src
#+END_SRC

***** flake devshells

#+NAME: flake_devshells
#+HEADER: :noweb yes
#+BEGIN_SRC nix
devShells               = forAllSystems (system:
  let pkgs              = nixpkgsFor.${system};
  in {
    default = pkgs.mkShell {
      buildInputs       = with pkgs; [ git dub dmd ldc sqlite ];
    };
});
#+END_SRC

***** flake phases

#+NAME: flake_phases
#+HEADER: :noweb yes
#+BEGIN_SRC nix
buildPhase = ''
  runHook preBuild
  HOME="$PWD"
  for DC_ in dmd ldmd2 ldc2 gdc gdmd; do
    echo "- check for D compiler $DC_"
    DC=$(type -P $DC_ || echo "")
    if [ ! "$DC" == "" ]; then break; fi
  done
  if [ "$DC" == "" ]; then exit "Error: could not find D compiler"; fi
  echo "$DC_ used as D compiler to build $pname"
  dub build --compiler=$DC --build=$DC_ --combined --skip-registry=all
  runHook postBuild
'';
<<flake_phases_other_than_buildPhase>>
#+END_SRC

#+NAME: flake_phases_other_than_buildPhase
#+HEADER: :noweb yes
#+BEGIN_SRC nix
checkPhase = ''
  runHook preCheck
  dub test --combined --skip-registry=all
  runHook postCheck
'';
installPhase = ''
  runHook preInstall
  mkdir -p $out/bin
  install -m755 ./bin/spine $out/bin/spine
  runHook postInstall
'';
postInstall = ''
  echo `ls -la $out/bin/spine`
  echo "
  nix build or nix develop? (suggestions):
  - nix build
    nix build .#default --print-build-logs
    nix flake update; nix build .#default --print-build-logs
      nix build --print-build-logs
  - nix run
    nix run .#default --print-build-logs
    nix run default.nix --print-build-logs
  - nix shell
    nix shell .#default --print-build-logs --command spine -v
  - nix develop
    nix develop --profile .#default --print-build-logs --command spine -v
    nix develop ; eval \"$buildPhase\"
    nix develop --build -f derivation.nix -I .envrc --print-build-logs
  - nix profile install . --print-build-logs
  spine -v
  nix-instantiate | nix show-derivation | jq
  "
  $out/bin/spine -v
'';
#+END_SRC

***** d-compiler (dmd ldc gdc)

- dmd ldc gdc

#+NAME: d-compiler
#+HEADER: :noweb yes
#+BEGIN_SRC nix
dmd
#+END_SRC

***** flake spine dub2nix

#+NAME: flake_output_spine_dub2nix
#+HEADER: :noweb yes
#+BEGIN_SRC nix
packages.x86_64-linux.spine =
  let
    pkgs            = import nixpkgs {
      system        = "x86_64-linux";
    };
    #targetOf = package: "${package.targetPath or "."}/${package.targetName or package.name}";
  in
    pkgs.stdenv.mkDerivation {
      pname         = "spine";
      version       = "<<sisu_version_set>>";
      description   = "a sisu like parser and document generator";
      inherit self;
      src           = self;
      shell         = ./shell.nix;
      <<flake_phases>>
      buildInputs       = [ sqlite ];
      nativeBuildInputs = with pkgs; [ dub ldc ];
    };
#+END_SRC

***** flake misc

#+BEGIN_SRC nix
src = fetchTarball {
  url       = "file:///[path]/$(pname)-$(version).tar.gz";
  sha256    = "sha256:0000000000000000000000000000000000000000000000000000";
};
#+END_SRC

#+HEADER: :noweb yes
#+BEGIN_SRC nix
{
  description = "a sisu like parser & document generator";
  inputs = {
    flake-utils.url = "github:numtide/flake-utils";
    nixpkgs.url = "<<nixpkgs_url>>";
  };
  outputs = { self, nixpkgs, flake-utils }:
  let
    pkgs = nixpkgs.legacyPackages.x86_64-linux;
  in {
    packages.x86_64-linux.spine = pkgs.stdenv.mkDerivation {
      name = "spine";
      inherit self;
      src = self;
      shell = ./shell.nix;
      installPhase = ''
         install -m755 spine $out/bin/spine
      '';
    };
    defaultPackage.x86_64-linux = self.packages.x86_64-linux.spine;
  };
}
#+END_SRC

#+HEADER: :noweb yes
#+BEGIN_SRC nix
{
  description = "a sisu like document parser";
  inputs = {
    flake-utils.url = "github:numtide/flake-utils";
    nixpkgs.url = "<<nixpkgs_url>>";
    d2sqlite3 = {
      url    = "github:dlang-community/d2sqlite3";
      flake  = false;
    };
    tinyendian = {
      url    = "github:kiith-sa/tinyendian";
      flake  = false;
    };
    dyaml = {
      url    = "github:dlang-community/D-YAML";
      flake  = false;
    };
    imageformats = {
      url    = "github:lgvz/imageformats";
      flake  = false;
    };
  };
  outputs = { self, d2sqlite3, tinyendian, dyaml, imageformats, nixpkgs, flake-utils }:
  let
    pkgs = nixpkgs.legacyPackages.x86_64-linux;
  in {
    packages.x86_64-linux.spine = pkgs.stdenv.mkDerivation {
      name = "spine";
      inherit self;
      src = self;
      shell = ./shell.nix;
      installPhase = ''
         install -m755 spine $out/bin/spine
      '';
    };
    defaultPackage.x86_64-linux = self.packages.x86_64-linux.spine;
  };
}
#+END_SRC

*** shell.nix :shell:
**** tangle

#+HEADER: :tangle ../shell.nix
#+HEADER: :tangle-mode (identity #o755)
#+HEADER: :shebang "#!/usr/bin/env -S nix-shell --pure\n#!nix-shell -i bash"
#+HEADER: :noweb yes
#+BEGIN_SRC nix
{ pkgs ? import <nixpkgs> {} }:
let
in pkgs.mkShell {
  buildInputs = with pkgs; [
    nix
    bundler
    bundix
    #ruby
    #rubyPackages.rake
    #rubyPackages.sqlite3
    #rubyPackages.thor
    ruby_3_1
    rubyPackages_3_1.rake
    rubyPackages_3_1.sqlite3
    rubyPackages_3_1.thor
    sqlite
    unzip
    xz
    zip
    #texlive-combined-full
  ];
}
#+END_SRC

**** Notes

#+BEGIN_SRC text
#% Notes

# - shell.nix -I .envrc
# - shell.nix -I .envrc --pure

# [ nix-shell ]

  # - nix-shell -I nixpkgs=/srv/nix/nixpkgs --pure
  # - nix-shell -p "with import /srv/nix/nixpkgs {}; ldc" --pure
  # - nix-shell -p "with import /srv/nix/nixpkgs {}; [dub ldc]" --pure

  # - nix-shell -p nixVersions.unstable #nixFlakes
  # - nix-shell -p nixFlakes --pure
  # - nix-shell -p nixFlakes --pure -p "with import /srv/nix/nixpkgs {}; [nix dub ldc git ps]"
  # - nix-shell shell.nix direnv: export +IN_NIX_SHELL
  # - nix-shell shell.nix

# [ nix-build ]

  # - nix-build -I nixpkgs=/srv/nix/nixpkgs # --pure
  # - nix-build -I .envrc --pure
  # - nix-build default.nix -I .envrc && result/bin/spine -v

# [ nix-instantiate ]

  # - nix-instantiate | nix show-derivation | jq
  # - nix-instantiate -I .envrc | nix show-derivation -f derivation.nix -I .envrc | jq
  # - nix-instantiate | nix show-derivation --recursive | jq
  # - nix-instantiate -I .envrc | nix show-derivation -f derivation.nix --recursive -I .envrc | jq
  # - nix-instantiate | nix-build
  # - nix-instantiate -I .envrc | nix-build -I .envrc

# [ nix shell ]

  # - nix shell -c default.nix
  # - nix shell -f default.nix --print-build-logs

# [ nix build ]

  # - nix build -I .envrc --print-build-logs
  # - nix build -f default.nix --print-build-logs
  # - nix build -f derivation.nix --print-build-logs

  # - nix build `nix-instantiate`
  # - nix build `nix-instantiate -I .envrc`

  # - nix build -f default.nix && ./result/bin/spine -v && noti -t "spine build" -m "see ./result/bin/spine"
  # - nix build .#default

# [ nix run ]

  # - nix run default.nix --print-build-logs
  # - nix run -I .envrc default.nix --print-build-logs
  # - nix run .#default

# - nix-shell -I .envrc --pure
# - nix develop --build -f derivation.nix -I .envrc --print-build-logs

# - nix-shell -p nixFlakes --pure -p "with import /srv/nix/nixpkgs {}; [nix dub ldc git ps]"
# - nix-build
# - nix build `nix-instantiate -I .envrc`

# - nix develop --build -f default.nix -I .envrc

# - nix-shell -I .envrc --pure
# - nix-build default.nix -I .envrc && result/bin/spine -v

# - nix shell -f default.nix --print-build-logs
# - nix-instantiate -I .envrc | nix-build -I .envrc
#+END_SRC

#+BEGIN_SRC text
#% Notes
- nix-shell

- shell.nix --pure
- shell.nix --pure -I .envrc

- nix-shell --pure -I nixpkgs=<<nixpkgs_local>>
- nix-shell --pure -p "with import <<nixpkgs_local>> {}; ldc"
- nix-shell --pure -p "with import /srv/nix/nixpkgs {}; [dub ldc]"

- shell.nix direnv: export +IN_NIX_SHELL

- nix-shell -p nixFlakes
- nix-shell -p nixFlakes --pure
- nix-shell -p nixFlakes --pure -p "with import /srv/nix/nixpkgs {}; [dub ldc]"

- shell.nix -I .envrc
- nix-shell -I nixpkgs=<provide local nix path>
- nix-shell -I nixpkgs=<provide local nix path> --pure
- shell.nix
- nix-shell shell.nix --pure

- nix shell -c default.nix

- nix run default.nix --print-build-logs
- nix run -I .envrc default.nix --print-build-logs

- nix develop

- nix-build -I nixpkgs=<provide local nix path>
- nix-build -I .envrc

- nix build -f default.nix --print-build-logs
- nix build -f derivation.nix --print-build-logs
- nix build -I .envrc --print-build-logs
- nix shell -f default.nix --print-build-logs
- nix develop --build -f derivation.nix -I .envrc --print-build-logs

- buildPhase

- nix build -f default.nix && noti
- nix build -f default.nix && ./result/bin/spine -v && noti -t "spine build" -m "see ./result/bin/spine"
- nix develop --build -f derivation.nix -I .envrc --print-build-logs

  ./result/bin/spine
#+END_SRC

**** shell parts (packages)
***** packages nix related

#+NAME: shell_packages_nix_related
#+BEGIN_SRC nix
### nix_related
direnv
nixVersions.unstable #nixFlakes
nix-prefetch-git
validatePkgConfig
jq
git
ps
#+END_SRC

***** packages d build related

#+NAME: shell_packages_d_build_related
#+BEGIN_SRC nix
### d_build_related
## package manager
dub
## compiler
ldc
rund
## linker
#lld
#mold
## builder
#ninja
#meson
#+END_SRC

***** packages tools

#+NAME: shell_packages_tool_download
#+BEGIN_SRC nix
### tools
#curl
#wget
aria
#+END_SRC

***** packages candy

#+NAME: shell_packages_candy
#+BEGIN_SRC nix
### candy
starship
#+END_SRC

***** packages search sqlite related

#+NAME: shell_packages_search_related_sqlite
#+BEGIN_SRC nix
### sqlite search related
sqlite
#+END_SRC

***** packages pdf latex related

#+NAME: shell_packages_pdf_latex_related
#+BEGIN_SRC nix
### pdf_latex_related
source-sans-pro
source-serif-pro
source-code-pro
texlive.combined.scheme-full
#+END_SRC

***** packages xml epub related

#+NAME: shell_packages_xml_and_epub_related
#+BEGIN_SRC nix
### xml_and_epub_related
libxml2
html-tidy
xmlstarlet
epubcheck
ebook_tools
epr
sigil
calibre #(suite includes: ebook-viewer)
foliate
#+END_SRC

***** packages i18n_translation related

#+NAME: shell_packages_i18n_translation
#+BEGIN_SRC nix
### i18n translation related
perl534Packages.Po4a
#+END_SRC

*** default.nix :default:

- default.nix -I nixpkgs=<provide local nix path>
  e.g. default.nix -I nixpkgs=/srv/nix/nixpkgs

- nix-build -I nixpkgs=<provide local nix path>
  e.g. nix-build -I nixpkgs=<<nixpkgs_local>>

#+HEADER: :noweb yes
#+BEGIN_SRC sh
nix-build -I nixpkgs=<<nixpkgs_local>>
nix-build -I .envrc-local
nix-build -I .envrc
default.nix -I .envrc
default.nix

nix build -f default.nix --print-build-logs
nix build -f derivation.nix --print-build-logs
nix shell -f default.nix --print-build-logs
nix develop --build -f derivation.nix -I .envrc --print-build-logs

# nix build -f project.nix
# nix build -f spine.nix
#+END_SRC


*** project meta

#+NAME: nix_project_meta
#+HEADER: :noweb yes
#+BEGIN_SRC nix
meta = with pkgs.lib; {
  pname       = "spine";
  version     = "<<sisu_version_set>>";
  description = "a sisu like document parser";
  longDescription = ''
    A sisu like parser and document generator
  '';
  homepage    = "https://sisudoc.org";
  license     = licenses.agpl3Plus;
  platforms   = platforms.linux;
  maintainers = [ "RalphAmissah" ];
};
#+END_SRC

*** dub.selections.json

#+HEADER: :NO-tangle ../dub.selections.json
#+BEGIN_SRC nix
{
	"fileVersion": 1,
	"versions": {
		"d2sqlite3": "0.19.1",
		"dyaml": "0.8.3",
		"imageformats": "7.0.2",
		"tinyendian": "0.2.0"
	}
}
#+END_SRC

*** dub.selections.nix

#+HEADER: :NO-tangle ../nix/dub.selections.nix
#+BEGIN_SRC nix
# This file was generated by https://github.com/lionello/dub2nix v0.2.3
[ {
  fetch = {
    type = "git";
    url = "https://github.com/dlang-community/d2sqlite3.git";
    rev = "v0.19.1";
    sha256 = "0rnsgla6xyr8r34knf7v6dwhacra96q1b5rhxcz9246inwhvrk5k";
    fetchSubmodules = false;
    date = "2020-07-21T12:32:51+02:00";
    deepClone = false;
    leaveDotGit = false;
    path = "/nix/store/hsi8xvl15w6fwlqvs042m1z5i88yc72i-d2sqlite3";
  };
} {
  fetch = {
    type = "git";
    url = "https://github.com/kiith-sa/tinyendian.git";
    rev = "v0.2.0";
    sha256 = "086gf5aga52wr5rj2paq54daj8lafn980x77b706vvvqaz2mlis8";
    fetchSubmodules = false;
    date = "2018-06-10T11:04:28+02:00";
    deepClone = false;
    leaveDotGit = false;
    path = "/nix/store/9c7fsmi5am84j6dq2mp3va306x3ay291-tinyendian";
  };
} {
  fetch = {
    type = "git";
    url = "https://github.com/kiith-sa/D-YAML.git";
    rev = "v0.8.3";
    sha256 = "13wy304xjbwkpgg7ilql1lkxkm83s87jm59ffnrg26slp7cx149q";
    fetchSubmodules = false;
    date = "2020-09-19T23:46:57+02:00";
    deepClone = false;
    leaveDotGit = false;
    path = "/nix/store/3i8i56lkmw2xq3lxr5h66v909waq2mqg-D-YAML";
  };
} {
  fetch = {
    type = "git";
    url = "https://github.com/lgvz/imageformats.git";
    rev = "v7.0.2";
    sha256 = "1mfbsmi4fs1xny4zqs6jyr04d5f4h03r9f6jadvkdqj5kd1k0ws7";
    fetchSubmodules = false;
    date = "2019-10-10T07:54:45+03:00";
    deepClone = false;
    leaveDotGit = false;
    path = "/nix/store/wn554pn21nzmpvw2hs7hvv9v9y0sgarg-imageformats";
  };
} ]
#+END_SRC

*** dub2nix & shared pkgs SHARED
**** dub2nix with pkgs shared

#+NAME: nix_with_pkgs
#+HEADER: :noweb yes
#+BEGIN_SRC nix
with pkgs; [
  <<nix_shell_with_pkgs_list>>
]
#+END_SRC

**** with pkgs list

#+NAME: nix_shell_with_pkgs_list
#+BEGIN_SRC nix
nixVersions.unstable #nixFlakes
rund
dub
ldc
sqlite
nix-prefetch-git
validatePkgConfig
jq
git
#+END_SRC

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

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

*** set names SET

#+NAME: spine_search_db
#+BEGIN_SRC sh
spine.search.db
#+END_SRC

#+NAME: spine_search_cgi
#+BEGIN_SRC sh
spine_search
#+END_SRC

*** nixpkgs_path SETUP
**** nixpkgs select path SELECT

#+NAME: nixpkgs_path
#+HEADER: :noweb yes
#+BEGIN_SRC nix
<<nixpkgs_path_local>>
#+END_SRC

**** nixpkgs path options

- <nixpkgs>

#+NAME: nixpkgs_path_default
#+HEADER: :noweb yes
#+BEGIN_SRC nix
<nixpkgs>
#+END_SRC

#+NAME: nix_path_directory
#+HEADER: :noweb yes
#+BEGIN_SRC nix
nixpkgs=<<nixpkgs_path_local>>
#+END_SRC

#+NAME: project_path_local_project
#+HEADER: :noweb yes
#+BEGIN_SRC nix
~/grotto/repo/git.repo/projects/project-spine/doc-reform
#+END_SRC

#+NAME: project_path_local_src
#+HEADER: :noweb yes
#+BEGIN_SRC nix
<<project_path_local_project>>/src
#+END_SRC

#+NAME: project_path_local_bin
#+HEADER: :noweb yes
#+BEGIN_SRC nix
<<project_path_local_project>>/result/bin
#+END_SRC

#+NAME: project_path_cgi_bin
#+BEGIN_SRC nix
/var/www/cgi/cgi-bin
#+END_SRC

#+NAME: project_path_local_doc
#+BEGIN_SRC nix
~/grotto/repo/git.repo/projects/project-spine/doc-reform-markup/spine-markup-samples
#+END_SRC

#+NAME: project_path_local_out
#+BEGIN_SRC nix
/srv/www/spine/$SpineVER
#+END_SRC

#+NAME: project_path_local_out_
#+HEADER: :noweb yes
#+BEGIN_SRC nix
/tmp/spine/$SpineVER/www
#+END_SRC

#+NAME: project_path_local_out_static
#+HEADER: :noweb yes
#+BEGIN_SRC nix
/srv/www/spine
#+END_SRC

#+NAME: project_path_local_out_static_
#+BEGIN_SRC nix
/var/www
#+END_SRC

#+NAME: project_path_sqlite
#+BEGIN_SRC nix
/var/www/sqlite
#+END_SRC

#+NAME: nixpkgs_url
#+BEGIN_SRC nix
github:nixos/nixpkgs
#+END_SRC

#+HEADER: :noweb yes
#+BEGIN_SRC nix
<<nixpkgs_path_local>>
#+END_SRC

- local path SET WARN

#+NAME: nixpkgs_path_local
#+BEGIN_SRC nix
/srv/nix/nixpkgs
#+END_SRC

**** project path options

- local path SET WARN

#+NAME: nix_path_channel
#+BEGIN_SRC nix
/nix/var/nix/profiles/per-user/root/channels/nixos
#+END_SRC

** texlive xetex xelatex shell.nix
*** shell.nix :shell:

#+BEGIN_SRC nix
#!/usr/bin/env -S nix-shell --pure
{ pkgs ? import <nixpkgs> {} }:
pkgs.mkShell {
  buildInputs = with pkgs; [
    nixVersions.unstable #nixFlakes
    nix-prefetch-git
    validatePkgConfig
    jq
    git
    fontconfig
    source-sans-pro
    source-serif-pro
    source-code-pro
    #(texlive.combine {
    #  inherit (texlive) scheme-tetex xetex fontspec footmisc multirow titlesec listings anysize float graphics helvetic times courier;
    #})
    texlive.combined.scheme-full
    dejavu_fonts dejavu_fontsEnv
    liberation_ttf
    evince
    zathura
    apvlv
  ];
    #FONTCONFIG_FILE = makeFontsConf { fontDirectories = [
    #  liberation_ttf
    #];
  shellHook = ''
    if [[ -f ".envrc" ]]; then
      source .envrc
    fi
    #for texfile in *.tex; do xelatex -interaction=nonstopmode $texfile; done
    #for texfile in *.tex; do xelatex -interaction=batchmode $texfile; done
  '';
}
#+END_SRC

*** notes

#+BEGIN_SRC sh
nix-shell --run 'which xetex'
echo 'for texfile in *.tex; do echo "* --> " ~ $texfile && xelatex -interaction=batchmode $texfile; rm *.aux *.log *.toc *.out; done'

$SpineBIN/spine --latex --serial --output="$SpineOUT" $SpinePOD/* && for texfile in $SpineOUT/latex/*.tex; do xelatex -interaction=nonstopmode $texfile; done 2>&1 | tee _err.xelatex_.org; ls $SpineOUT/latex/*.{tex,pdf}

/run/current-system/sw/share/X11/fonts/

kpsewhich pdftexconfig.tex
/nix/store/2r4qa8rbll085nmpx56jg1rbmbir1zkp-texlive-combined-2021/share/texmf/tex/generic/tex-ini-files/pdftexconfig.tex
/nix/store/2r4qa8rbll085nmpx56jg1rbmbir1zkp-texlive-combined-2021/share/texmf/fonts/opentype/public/

find: texclive-fonts.conf
fc-cache && mkfontscale && mkfontdir

fc-match LiberationSans

cd /nix/var/nix/profiles/system/sw/share/X11/fonts
fc-query LiberationSans-Regular.ttf | grep '^\s\+family:' | cut -d'"' -f2
Liberation Sans
fc-query LiberationMono-Regular.ttf | grep '^\s\+family:' | cut -d'"' -f2
Liberation Mono

fc-query DejaVuSans.ttf | grep '^\s\+family:' | cut -d'"' -f2

$XDG_DATA_HOME/fonts
~/.local/share/fonts
#+END_SRC

** NOTES
*** nix-shell

- default.nix

#+BEGIN_SRC sh
nix-shell
nix-build
#+END_SRC

- project.nix

#+BEGIN_SRC sh
nix-shell
nix-build project.nix
#+END_SRC

*** nix-shell --pure

- default.nix

#+HEADER: :noweb yes
#+BEGIN_SRC sh
nix-shell --pure
nix-build -I nixpkgs=<<nixpkgs_local>>
nix-build -I .envrc
#+END_SRC

#+BEGIN_SRC sh
nix build -f default.nix --print-build-logs
nix build -f derivation.nix --print-build-logs
nix shell -f default.nix --print-build-logs
# nix build -f project.nix
# nix build -f spine.nix
nix develop --build -f derivation.nix -I .envrc --print-build-logs
nix develop --profile .#default --print-build-logs --command spine -v
#+END_SRC

*** derivation .drv

#+BEGIN_SRC sh
nix show-derivation /nix/store/q7n14bm8j5vzm62qaraczdb4bpyf59vv-spine-0.11.1.drv
#+END_SRC

**** .env/echo-nixNote CHECK MODIFY

#+HEADER: :tangle ../.env/nix-commands
#+BEGIN_SRC text
- nix flake update && nix flake check --show-trace && nix flake show && nix develop .#devShell

- nix build .#default --print-build-logs
- nix build .#spine-dmd --print-build-logs
- nix build .#spine-ldc --print-build-logs
- nix build .#spine-gdc --print-build-logs

- nix develop
  - nix develop .#devShell --print-build-logs
  - nix develop .#devShell-html --print-build-logs
  - nix develop .#devShell-epub --print-build-logs
  - nix develop .#devShell-latex-pdf --print-build-logs
  - nix develop .#devShell-sqlite --print-build-logs
  - nix develop .#devShell-i18n --print-build-logs

nix run .#default --print-build-logs

nix develop --build .#default --print-build-logs

nix-shell '<nixpkgs>' -A nix --pure
#+END_SRC

#+HEADER: :tangle ../.env/echo-nixNote
#+BEGIN_SRC sh
echo '-*- mode: org -*-

,* nixpkgs path?

  # eval "$(nix print-dev-env)"
' > nixNote_.org

echo "  <nixpkgs> == `nix-instantiate --find-file nixpkgs`" >> nixNote_.org

echo '
,* nix build and show derivation

,#+BEGIN_SRC sh
nix-shell --pure

nix-build
nix build -f default.nix --print-build-logs
nix shell -f default.nix --print-build-logs
nix develop --build -f derivation.nix -I .envrc --print-build-logs

nix-instantiate | nix-build

nix-instantiate -I .envrc | nix-build -I .envrc
nix build `nix-instantiate`
nix build `nix-instantiate -I .envrc`

nix develop

nix-instantiate | nix show-derivation | jq
nix-instantiate -I .envrc | nix show-derivation -f derivation.nix -I .envrc | jq

nix-instantiate | nix show-derivation --recursive | jq
nix-instantiate -I .envrc | nix show-derivation -f derivation.nix --recursive -I .envrc | jq

nix search --json 2>/dev/null |jq
,#+END_SRC

,* version and build info

,#+BEGIN_SRC sh' >> nixNote_.org

echo 'spine version (git) == $SpineVER' >> nixNote_.org
echo "spine version (git) == $SpineVER" >> nixNote_.org
echo 'nix-instantiate == `nix-instantiate`' >> nixNote_.org
echo "nix-instantiate == `nix-instantiate`" >> nixNote_.org

echo "#+END_SRC

,* initialised shell variables

,#+BEGIN_SRC sh
SpineSRC=$SpineSRC
SpineDOC=$SpineDOC
SpinePOD=$SpinePOD
SpineOUTversioned=$SpineOUTversioned
SpineOUT=$SpineOUT
,#+END_SRC
" >> nixNote_.org

echo '* spine run instruction examples
,** parallelized tasks
,*** doc source

,#+BEGIN_SRC sh
$SpineBIN/spine --very-verbose --pod --source --output="$SpineOUTversioned" $SpinePOD/*
,#+END_SRC

,*** html & epub output

,#+BEGIN_SRC sh
$SpineBIN/spine --very-verbose --html --epub --output="$SpineOUTversioned" $SpinePOD/*
,#+END_SRC

,*** sqlite db for each document - populate each db

,#+BEGIN_SRC sh
$SpineBIN/spine --very-verbose --sqlite-discrete --output="$SpineOUTversioned" $SpinePOD/*
,#+END_SRC

,*** doc source; html, epub; sqlite outputs

,#+BEGIN_SRC sh
$SpineBIN/spine --verbose --pod --html --epub --sqlite-discrete --output="$SpineOUTversioned" $SpinePOD/*
,#+END_SRC

,*** curate (authors topics)

,#+BEGIN_SRC sh
$SpineBIN/spine --very-verbose --curate --output="$SpineOUTversioned" $SpinePOD/*
,#+END_SRC

,*** html, curate

,#+BEGIN_SRC sh
$SpineBIN/spine --verbose --dark --html --html-link-curate --curate --output="$SpineOUTversioned" $SpinePOD/*
$SpineBIN/spine --very-verbose --html --html-link-curate --curate --output="$SpineOUTversioned" $SpinePOD/*
,#+END_SRC

,*** composite command: source pod, html, epub, curate, sqlite

,#+BEGIN_SRC sh
$SpineBIN/spine --verbose --dark --pod --epub --html --html-link-curate --curate --sqlite-discrete --output="$SpineOUTversioned" $SpinePOD/*
,#+END_SRC

,** sequential tasks
,*** sqlite db (shared) - create db

,#+BEGIN_SRC sh
$SpineBIN/spine --very-verbose --sqlite-db-create --output="$SpineOUTversioned"
,#+END_SRC

,*** sqlite db (shared) - populate db

,#+BEGIN_SRC sh
$SpineBIN/spine --very-verbose --sqlite-update --output="$SpineOUTversioned" $SpineDOC/spine-markup-samples/markup/pod/*
,#+END_SRC

,*** sqlite db (shared) - drop db

,#+BEGIN_SRC sh
$SpineBIN/spine --very-verbose --sqlite-db-drop --output="$SpineOUTversioned"
,#+END_SRC

,*** sqlite db (shared) - create & populate db (single step)

,#+BEGIN_SRC sh
$SpineBIN/spine --very-verbose --sqlite-db-create --sqlite-update --output="$SpineOUTversioned" $SpinePOD/*
,#+END_SRC

,*** composite command: source pod, html, epub, curate, sqlite

,#+BEGIN_SRC sh
$SpineBIN/spine --verbose --no-parallel --dark --pod --epub --html --html-link-curate --curate --sqlite-discrete --output="$SpineOUTversioned" $SpinePOD/*
,#+END_SRC

,** config [./pod/].dr/config_local_site

,#+BEGIN_SRC sh
cat $SpinePOD/.dr/config_local_site
$SpineBIN/spine --show-config $SpinePOD
$SpineBIN/spine --show-config --output="$SpineOUTversioned" $SpinePOD
,#+END_SRC

,** cgi operations (output to $SpineOUT /var/www)

,#+BEGIN_SRC sh
$SpineBIN/spine --very-verbose --sqlite-db-create --output="$SpineOUT" $SpinePOD/*

$SpineBIN/spine -v --cgi-search-form-codegen --output=$SpineOUT $SpinePOD/*

$SpineBIN/spine -v --show-config --config=$SpinePOD/.dr

$SpineBIN/spine --html $SpinePOD/*


$SpineBIN/spine -v --cgi-search-form-codegen --config=$SpinePOD/.dr/config_local_site
,#+END_SRC

,*** generate html linked to search form

,#+BEGIN_SRC sh
$SpineBIN/spine -v --html --html-link-search --html-link-curate --curate  --output=$SpineOUT $SpinePOD/*
,#+END_SRC

,*** create or re-create sql db (--sqlite-db-create or --sqlite-db-recreate)

,#+BEGIN_SRC sh
$SpineBIN/spine -v --sqlite-db-create --sqlite-db-filename="<<spine_search_db>>" --sqlite-db-path="$SpineDBpath"
$SpineBIN/spine -v --sqlite-db-recreate --sqlite-db-filename="<<spine_search_db>>" --sqlite-db-path="$SpineDBpath"
,#+END_SRC

,*** populate sqlite db

,#+BEGIN_SRC sh
$SpineBIN/spine -v --sqlite-update --sqlite-db-filename="<<spine_search_db>>" --output=$SpineOUT $SpinePOD/*
,#+END_SRC

,*** generate html (linked to search form), sql output, curate COMPOSITE

,#+BEGIN_SRC sh
$SpineBIN/spine -v --html --html-link-search --html-link-curate --curate --sqlite-update --sqlite-db-filename="<<spine_search_db>>" --cgi-sqlite-search-filename="<<spine_search_cgi>>" --sqlite-db-path="$SpineDBpath" --output="$SpineOUT" $SpinePOD/*
$SpineBIN/spine --epub --html --html-link-search --html-link-curate --curate --sqlite-update --sqlite-db-filename="spine.search.db" --cgi-sqlite-search-filename="spine_search" --cgi-url-action="https://sisudoc.org/spine_search" --ouput="$SpineOUT" $SpinePOD/*
,#+END_SRC

,*** generate html (linked to search form), sql output, curate COMPOSITE with resource configuration

if names and paths are configured in resource configuration file, e.g. $SpinePOD/.rc/config_local_site

,#+BEGIN_SRC sh
$SpineBIN/spine -v --html --html-link-search --html-link-curate --curate --sqlite-update $SpinePOD/*
,#+END_SRC

,#+BEGIN_SRC yaml
# sample resource configuration file ( $SpinePOD/.rc/config_local_site )
output:
  path:                        "/srv/www/spine"
default:
  language:                    "en"
  papersize:                   "a4"
  text_wrap:                   "80"
  digest:                      "sha256"
webserv:
  http:                        "http"
  domain:                      "localhost"
  data_http:                   "http"
  data_domain:                 "localhost"
  data_root_url:               "https://sisudoc.org"
  data_root_path:              "/srv/www/spine"
  images_root_part:            "image"
  cgi_search_form_title:       "≅ SiSU Spine search"
  cgi_http:                    "https"
  cgi_domain:                  "sisudoc.org"
  cgi_bin_url:                 "http://sisudoc.org/cgi-bin"
  cgi_bin_part:                "cgi-bin"
  cgi_bin_path:                "/var/www/cgi/cgi-bin"
  cgi_search_script:           "<<spine_search_cgi>>"
  cgi_action:                  "https://sisudoc.org/spine_search"
  db_sqlite_filename:          "<<spine_search_db>>"
  db_sqlite_path:              "/var/www/sqlite"
,#+END_SRC

,*** make search form

,#+BEGIN_SRC sh
$SpineBIN/spine -v --cgi-search-form-codegen --config=$SpinePOD/.dr/config_local_site
,#+END_SRC

,*** latex

,#+BEGIN_SRC sh
$SpineBIN/spine --latex --serial --output="$SpineOUT" $SpinePOD/*
ls $SpineOutstatic/latex/*.tex
,#+END_SRC
' >> nixNote_.org

#cat nixNote_.org

#echo "emacs nixNote_.org"
#echo "cat nixNote_.org"
#+END_SRC

*** makefile

#+HEADER: :tangle-NO ../makefile_
#+BEGIN_SRC make
buildPhase:
	HOME=$${PWD}; \
	for DC_ in dmd ldmd2 gdmd; do \
	  echo "- check for D compiler $${DC_}"; \
	  DC=$$(type -P $${DC_} || echo ""); \
	  if [ ! "$${DC}" == "" ]; then \
	    break; \
	  fi; \
	done; \
  echo "D compiler = $${DC}"; \
	if [ "$${DC}" == "" ]; then \
    echo "Error: could not find D compiler"; \
	  exit 1; \
	fi; \
	echo "$${DC_} used as D compiler to build $${pname}"; \
	export DFLAGS="-O2 -inline"; \
	dub build --compiler=$${DC} --build=release --combined --skip-registry=all;
checkPhase:
	runHook preCheck; \
	HOME=$${PWD}; \
	dub test --combined --skip-registry=all; \
	runHook postCheck
installPhase:
	runHook preInstall; \
	mkdir -p $${out}/bin; \
	install -m755 ./bin/spine $${out}/bin/spine; \
	runHook postInstall
	#cp -r bin/spine $out/bin/.
postInstall:
	echo "$${out}/share/cgi-bin"; \
	echo `ls -la $${out}/bin/spine`
#+END_SRC