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nix/scripts.nix (view raw)

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{ pkgs ? import <nixpkgs> { }, ... }:
let
  watchFlake = with pkgs; ''
    ${watchexec}/bin/watchexec --restart \
     --watch flake.nix \
     --watch flake.lock \
  '';
  imageName = (builtins.fromTOML (builtins.readFile ../fly.toml)).build.image;
  nonDarwinSystem = builtins.replaceStrings [ "darwin" ] [ "linux" ] pkgs.stdenv.system;
  flySystem = "x86_64-linux";
  mkAttr = type: system: ".#docker-${type}-${system}";
  sh = (pkgs.lib.optionalString pkgs.stdenv.isDarwin "ssh linux-builder ")
    + "sh";
  stream = system: "nix build --print-out-paths ${(mkAttr "stream") system} | ${sh}";
  image = system: "nix build ${(mkAttr "image") system}";
in
with pkgs; [
  (writeShellScriptBin "watch-builder" ''
    ${watchFlake} "direnv exec . watchexec -i cmd/server -i public -r go run ./cmd/build $@"
  '')
  (writeShellScriptBin "watch-server" ''
    ${watchFlake} "direnv exec . watchexec -r go run ./cmd/server $@"
  '')
  (writeShellScriptBin "check-licenses" ''
    ${go-licenses}/bin/go-licenses check --include_tests ./... --disallowed_types=restricted,forbidden
  '')
  (writeShellScriptBin "stream" "${stream nonDarwinSystem}")
  (writeShellScriptBin "stream-fly" "${stream flySystem}")
  (writeShellScriptBin "image" "${image nonDarwinSystem}")
  (writeShellScriptBin "image-fly" "${image flySystem}")
  (writeShellScriptBin "load-locally" ''
    stream | ${docker-client}/bin/docker load "$@"
  '')
  (writeShellScriptBin "push-to-registry" ''
    if test -z "''${1:-}"; then
    cat <<-EOF
        USAGE: $0 <docker-url> [skopeo-copy-options]

        Example: $0 docker://some_docker_registry/myimage:tag

        See: https://github.com/containers/skopeo/blob/main/docs/skopeo-copy.1.md
    EOF
      exit 1
    fi
    echo skopeo copy docker-archive:/dev/stdin "$@"
    stream fly | ${gzip}/bin/gzip --fast | ${skopeo}/bin/skopeo copy docker-archive:/dev/stdin "$@"
  '')
  (writeShellScriptBin "deploy" ''
    set -eu
    TAG=$(git rev-parse HEAD)
    IMAGE=${imageName}:$TAG
    push-to-registry docker://$IMAGE
    ${pkgs.flyctl}/bin/flyctl deploy --image $IMAGE
  '')
]