Weather report: Delft
       .-.      Light rain shower
      (   ).    +12(10) °C     
     (___(__)   ↑ 20 km/h      
      ‘ ‘ ‘ ‘   10 km          
     ‘ ‘ ‘ ‘    0.8 mm         
                                                       ┌─────────────┐                                                       
┌──────────────────────────────┬───────────────────────┤  Thu 23 Mar ├───────────────────────┬──────────────────────────────┐
│            Morning           │             Noon      └──────┬──────┘     Evening           │             Night            │
├──────────────────────────────┼──────────────────────────────┼──────────────────────────────┼──────────────────────────────┤
│  _`/"".-.     Patchy rain po…│  _`/"".-.     Patchy rain po…│    \  /       Partly cloudy  │               Overcast       │
│   ,\_(   ).   +10(7) °C      │   ,\_(   ).   +12(10) °C     │  _ /"".-.     +12(10) °C     │      .--.     +11(8) °C      │
│    /(___(__)  ↗ 33-49 km/h   │    /(___(__)  ↗ 32-39 km/h   │    \_(   ).   ↗ 26-36 km/h   │   .-(    ).   ↑ 25-39 km/h   │
│      ‘ ‘ ‘ ‘  10 km          │      ‘ ‘ ‘ ‘  10 km          │    /(___(__)  10 km          │  (___.__)__)  10 km          │
│     ‘ ‘ ‘ ‘   0.1 mm | 72%   │     ‘ ‘ ‘ ‘   0.1 mm | 72%   │               0.0 mm | 0%    │               0.0 mm | 0%    │
└──────────────────────────────┴──────────────────────────────┴──────────────────────────────┴──────────────────────────────┘
                                                       ┌─────────────┐                                                       
┌──────────────────────────────┬───────────────────────┤  Fri 24 Mar ├───────────────────────┬──────────────────────────────┐
│            Morning           │             Noon      └──────┬──────┘     Evening           │             Night            │
├──────────────────────────────┼──────────────────────────────┼──────────────────────────────┼──────────────────────────────┤
│    \  /       Partly cloudy  │     \   /     Sunny          │  _`/"".-.     Patchy rain po…│    \  /       Partly cloudy  │
│  _ /"".-.     +9(6) °C       │      .-.      +11(8) °C      │   ,\_(   ).   +11(7) °C      │  _ /"".-.     +10(5) °C      │
│    \_(   ).   ↗ 31-43 km/h   │   ― (   ) ―   ↗ 35-40 km/h   │    /(___(__)  ↗ 40-49 km/h   │    \_(   ).   ↗ 40-57 km/h   │
│    /(___(__)  10 km          │      `-’      10 km          │      ‘ ‘ ‘ ‘  10 km          │    /(___(__)  10 km          │
│               0.0 mm | 0%    │     /   \     0.0 mm | 0%    │     ‘ ‘ ‘ ‘   0.1 mm | 79%   │               0.0 mm | 0%    │
└──────────────────────────────┴──────────────────────────────┴──────────────────────────────┴──────────────────────────────┘
                                                       ┌─────────────┐                                                       
┌──────────────────────────────┬───────────────────────┤  Sat 25 Mar ├───────────────────────┬──────────────────────────────┐
│            Morning           │             Noon      └──────┬──────┘     Evening           │             Night            │
├──────────────────────────────┼──────────────────────────────┼──────────────────────────────┼──────────────────────────────┤
│  _`/"".-.     Patchy rain po…│  _`/"".-.     Patchy rain po…│  _`/"".-.     Patchy rain po…│  _`/"".-.     Light rain sho…│
│   ,\_(   ).   +9(4) °C       │   ,\_(   ).   +10(6) °C      │   ,\_(   ).   +11(7) °C      │   ,\_(   ).   +9(6) °C       │
│    /(___(__)  ↗ 39-54 km/h   │    /(___(__)  ↗ 40-50 km/h   │    /(___(__)  ↗ 38-49 km/h   │    /(___(__)  → 32-49 km/h   │
│      ‘ ‘ ‘ ‘  10 km          │      ‘ ‘ ‘ ‘  10 km          │      ‘ ‘ ‘ ‘  9 km           │      ‘ ‘ ‘ ‘  10 km          │
│     ‘ ‘ ‘ ‘   0.1 mm | 76%   │     ‘ ‘ ‘ ‘   0.1 mm | 68%   │     ‘ ‘ ‘ ‘   0.2 mm | 80%   │     ‘ ‘ ‘ ‘   0.3 mm | 79%   │
└──────────────────────────────┴──────────────────────────────┴──────────────────────────────┴──────────────────────────────┘
Location: Delft, MRDH, Zuid-Holland, Nederland [51.9994572,4.362724538544]
Follow @igor_chubin for wttr.in updates

* [06-windows-wine](06-windows-wine/demo.sh): Build a static Windows binary and run it through wine. Here be dragons.

# This file looks very similar to what official packages in nixpkgs look like
{ stdenv
, cmake
, pkgconfig
, curl
}:
stdenv.mkDerivation rec {
  name = "wttr-delft";
  src = builtins.path { path = ../src; name = name; };
  # Build-time dependencies
  # Since we include CMake, Nix will automatically do all the right things:
  # We don't need a custom 'buildPhase' or 'installPhase' anymore.
  nativeBuildInputs = [ cmake pkgconfig ];
  # Dependencies
  buildInputs = [ curl.dev ];
  # Strict separation of
  #   nativeBuildInputs (needed at build time only) and
  #   buildInputs (needed at runtime as well)
  strictDeps = true;
}

{
  description = "Example for making a container image with a static binary";
  inputs = {
    flake-utils.url = "github:numtide/flake-utils";
    nixpkgs.url = "github:NixOS/nixpkgs";
  };
  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs {
          inherit system;
          overlays = [
            (final: prev: {
              # Disable some CURL features
              curl-minimal = (prev.curl.overrideAttrs (finalAttrs: prevAttrs: {
                # Force static build
                configureFlags = (prevAttrs.configureFlags or []) ++ [ "--enable-static" "--disable-shared" ];
              })).override {
                brotliSupport = false;
                # krb5 fails to build with mingw
                gssSupport = false;
                zstdSupport = false;
                scpSupport = false;
                # Force static build
                nghttp2 = ((prev.nghttp2.overrideAttrs (finalAttrs: prevAttrs: {
                  configureFlags = (prevAttrs.configureFlags or []) ++ [ "--enable-static" "--disable-shared" ];
                  postPatch = ''
                    sed -i '1i #define NGHTTP2_STATICLIB' lib/includes/nghttp2/nghttp2.h
                  '';
                })).override {
                  # tzdata fails to build with mingw: undefined reference to setenv
                  enableTests = false;
                });
                # Force static build
                libidn2 = prev.libidn2.overrideAttrs (finalAttrs: prevAttrs: {
                  configureFlags = (prevAttrs.configureFlags or []) ++ [ "--enable-static" "--disable-shared" ];
                });
                zlib = prev.zlib.override { static = true; shared = false; };
              };
              wttr-delft = (prev.callPackage ./wttr-delft.nix { curl = final.curl-minimal; }).overrideAttrs (finalAttrs: prevAttrs: {
                # Force static build
                cmakeFlags = [
                  "-DCMAKE_VERBOSE_MAKEFILE:BOOL=ON"
                  "-DCMAKE_EXE_LINKER_FLAGS=-static"
                ];
                # This is just so we don't get colour output, it looks bad when running through wine
                postPatch = ''
                  sed -i 's|https://gitlab.com/SFrijters/nix-container-demo/-/raw/master/data/weather-static|https://wttr.in/Delft?T|' simple.c
                  sed -i '44i curl_easy_setopt(curl, CURLOPT_USERAGENT, "curl");' simple.c
                '';
              });
            })
          ];
        };
      in
        {
          packages = {
            default = pkgs.wttr-delft;
            mingw32 = pkgs.pkgsCross.mingw32.wttr-delft;
            mingwW64 = pkgs.pkgsCross.mingwW64.wttr-delft;
          };
          devShells.default = import ./podman-devshell.nix { inherit pkgs; };
        }
    );
}

{
  "nodes": {
    "flake-utils": {
      "locked": {
        "lastModified": 1678901627,
        "narHash": "sha256-U02riOqrKKzwjsxc/400XnElV+UtPUQWpANPlyazjH0=",
        "owner": "numtide",
        "repo": "flake-utils",
        "rev": "93a2b84fc4b70d9e089d029deacc3583435c2ed6",
        "type": "github"
      },
      "original": {
        "owner": "numtide",
        "repo": "flake-utils",
        "type": "github"
      }
    },
    "nixpkgs": {
      "locked": {
        "lastModified": 1679396235,
        "narHash": "sha256-RjmNVFuZQ2e6u35B98JcY9IzVDtZb3d4QcbtfLtNWkE=",
        "owner": "NixOS",
        "repo": "nixpkgs",
        "rev": "008ce261a7e3c532e792cb8e39482f2cc1b192f5",
        "type": "github"
      },
      "original": {
        "owner": "NixOS",
        "repo": "nixpkgs",
        "type": "github"
      }
    },
    "root": {
      "inputs": {
        "flake-utils": "flake-utils",
        "nixpkgs": "nixpkgs"
      }
    }
  },
  "root": "root",
  "version": 7
}

#!/usr/bin/env bash
# shellcheck disable=SC1010,SC2288
set -Eeuo pipefail
dir="$(realpath --relative-to="${PWD}" "$(dirname "${BASH_SOURCE[0]}")")"
source "${dir}/../libdemo/libdemo.sh"
file_cmd="nix run github:nixos/nixpkgs/008ce261a7e3c532e792cb8e39482f2cc1b192f5#file"
h "Cross-compiling a static binary for Windows"
, "Not all platforms are equally well supported, in particular mingw is only supported at Tier 4"
, "See the appendix at https://github.com/NixOS/rfcs/blob/master/rfcs/0046-platform-support-tiers.md"
n "In short: here be dragons!"
i tiv "${dir}/../data/sideeyingchloe.png"
h "We use overrides to force and fix static builds for required libraries"
, "We also strip away some functionality we don't need to make life a bit easier,"
, "and make some small modifications to our own package in the same way:"
x pygmentize "${dir}/flake.nix"
h "Build the package in 64bit mode"
x nix build "${dir}#mingwW64" -L
h "This is a Windows executable!"
x "${file_cmd}" ./result/bin/wttr-delft.exe
h The pièce de résistance!
x "WINEPREFIX=$(readlink -f "${dir}/wttr-delft") nix run github:nixos/nixpkgs/008ce261a7e3c532e792cb8e39482f2cc1b192f5#wine64 -- ./result/bin/wttr-delft.exe"

06-windows/wttr-delft