8 files changed, 377 insertions, 0 deletions
diff --git a/nix/dev/checks.nix b/nix/dev/checks.nix
new file mode 100644
index 0000000..1d65625
--- /dev/null
+++ b/nix/dev/checks.nix
@@ -0,0 +1,27 @@
+{
+  perSystem = {
+    lib,
+    pkgs,
+    ...
+  }: {
+    checks = {
+      actionlint = pkgs.runCommand "check-actionlint" {} ''
+        ${lib.getExe pkgs.actionlint} ${../../.github/workflows}/*
+        touch $out
+      '';
+
+      editorconfig = pkgs.runCommand "check-editorconfig" {} ''
+        cd ${../../.}
+        ${lib.getExe pkgs.editorconfig-checker} \
+          -exclude '.git' .
+
+        touch $out
+      '';
+
+      statix = pkgs.runCommand "check-statix" {} ''
+        ${lib.getExe pkgs.statix} check ${../../.}
+        touch $out
+      '';
+    };
+  };
+}
diff --git a/nix/dev/docker.nix b/nix/dev/docker.nix
new file mode 100644
index 0000000..b209015
--- /dev/null
+++ b/nix/dev/docker.nix
@@ -0,0 +1,25 @@
+{withSystem, ...}: {
+  perSystem = {
+    lib,
+    pkgs,
+    self',
+    ...
+  }: let
+    containerFor = arch:
+      pkgs.dockerTools.buildLayeredImage {
+        name = "teawiebot";
+        tag = "latest-${arch}";
+        contents = [pkgs.dockerTools.caCertificates];
+        config.Cmd = [
+          (lib.getExe self'.packages."teawiebot-static-${arch}")
+        ];
+
+        architecture = withSystem "${arch}-linux" ({pkgs, ...}: pkgs.pkgsStatic.go.GOARCH);
+      };
+  in {
+    packages = {
+      container-x86_64 = containerFor "x86_64";
+      container-aarch64 = containerFor "aarch64";
+    };
+  };
+}
diff --git a/nix/dev/flake.lock b/nix/dev/flake.lock
new file mode 100644
index 0000000..881402a
--- /dev/null
+++ b/nix/dev/flake.lock
@@ -0,0 +1,145 @@
+{
+  "nodes": {
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1712384501,
+        "narHash": "sha256-AZmYmEnc1ZkSlxUJVUtGh9VFAqWPr+xtNIiBqD2eKfc=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "99c6241db5ca5363c05c8f4acbdf3a4e8fc42844",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1712014858,
+        "narHash": "sha256-sB4SWl2lX95bExY2gMFG5HIzvva5AVMJd4Igm+GpZNw=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "9126214d0a59633752a136528f5f3b9aa8565b7d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "get-flake": {
+      "locked": {
+        "lastModified": 1694475786,
+        "narHash": "sha256-s5wDmPooMUNIAAsxxCMMh9g68AueGg63DYk2hVZJbc8=",
+        "owner": "ursi",
+        "repo": "get-flake",
+        "rev": "ac54750e3b95dab6ec0726d77f440efe6045bec1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ursi",
+        "repo": "get-flake",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1712512205,
+        "narHash": "sha256-CrKKps0h7FoagRcE2LT3h/72Z64D0Oh83UF1XZVhCLQ=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "3c1b6f75344e207a67536d834886ee9b4577ebe7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "procfile-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1712476251,
+        "narHash": "sha256-o6L0IDUy5ri1ijXP6D132gYcSYT7JweNQr5P9DOozRM=",
+        "owner": "getchoo",
+        "repo": "procfile-nix",
+        "rev": "c3320b59670450b4d2b5cb01cdbd3e176a6d3232",
+        "type": "github"
+      },
+      "original": {
+        "owner": "getchoo",
+        "repo": "procfile-nix",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "fenix": "fenix",
+        "flake-parts": "flake-parts",
+        "get-flake": "get-flake",
+        "nixpkgs": "nixpkgs",
+        "procfile-nix": "procfile-nix",
+        "treefmt-nix": "treefmt-nix"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1712156296,
+        "narHash": "sha256-St7ZQrkrr5lmQX9wC1ZJAFxL8W7alswnyZk9d1se3Us=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "8e581ac348e223488622f4d3003cb2bd412bf27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1711963903,
+        "narHash": "sha256-N3QDhoaX+paWXHbEXZapqd1r95mdshxToGowtjtYkGI=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "49dc4a92b02b8e68798abd99184f228243b6e3ac",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/nix/dev/flake.nix b/nix/dev/flake.nix
new file mode 100644
index 0000000..1442839
--- /dev/null
+++ b/nix/dev/flake.nix
@@ -0,0 +1,62 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+
+    flake-parts = {
+      url = "github:hercules-ci/flake-parts";
+      inputs.nixpkgs-lib.follows = "nixpkgs";
+    };
+
+    fenix = {
+      url = "github:nix-community/fenix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
+    get-flake.url = "github:ursi/get-flake";
+
+    treefmt-nix = {
+      url = "github:numtide/treefmt-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
+    procfile-nix = {
+      url = "github:getchoo/procfile-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = inputs:
+    inputs.flake-parts.lib.mkFlake {inherit inputs;} {
+      systems = [
+        "x86_64-linux"
+        "aarch64-linux"
+        "x86_64-darwin"
+        "aarch64-darwin"
+      ];
+
+      imports = [
+        # dev utils
+        ./checks.nix
+        ./procfile.nix
+        ./shell.nix
+        ./treefmt.nix
+
+        # special, private builds
+        ./docker.nix
+        ./static.nix
+
+        inputs.treefmt-nix.flakeModule
+        inputs.procfile-nix.flakeModule
+      ];
+
+      perSystem = {
+        lib,
+        system,
+        ...
+      }: {
+        _module.args = {
+          teawiebot' = lib.mapAttrs (lib.const (v: v.${system} or v)) (inputs.get-flake ../../.);
+        };
+      };
+    };
+}
diff --git a/nix/dev/procfile.nix b/nix/dev/procfile.nix
new file mode 100644
index 0000000..4b1c665
--- /dev/null
+++ b/nix/dev/procfile.nix
@@ -0,0 +1,13 @@
+{
+  perSystem = {
+    lib,
+    pkgs,
+    ...
+  }: {
+    procfiles.daemons = {
+      processes = {
+        redis = lib.getExe' pkgs.redis "redis-server";
+      };
+    };
+  };
+}
diff --git a/nix/dev/shell.nix b/nix/dev/shell.nix
new file mode 100644
index 0000000..c5589ef
--- /dev/null
+++ b/nix/dev/shell.nix
@@ -0,0 +1,45 @@
+{
+  perSystem = {
+    config,
+    pkgs,
+    self',
+    teawiebot',
+    ...
+  }: {
+    devShells = {
+      default = pkgs.mkShell {
+        packages = [
+          # rust tools
+          pkgs.clippy
+          pkgs.rustfmt
+          pkgs.rust-analyzer
+
+          # nix tools
+          pkgs.deadnix
+          pkgs.nil
+          pkgs.statix
+
+          # misc formatter/linters
+          pkgs.actionlint
+          self'.formatter
+
+          config.procfiles.daemons.package
+        ];
+
+        inputsFrom = [teawiebot'.packages.teawiebot];
+        RUST_SRC_PATH = "${pkgs.rustPlatform.rustLibSrc}";
+      };
+
+      ci = pkgs.mkShell {
+        packages = [
+          pkgs.clippy
+          pkgs.rustfmt
+
+          self'.formatter
+        ];
+
+        inputsFrom = [teawiebot'.packages.teawiebot];
+      };
+    };
+  };
+}
diff --git a/nix/dev/static.nix b/nix/dev/static.nix
new file mode 100644
index 0000000..e8780f4
--- /dev/null
+++ b/nix/dev/static.nix
@@ -0,0 +1,39 @@
+{
+  perSystem = {
+    lib,
+    pkgs,
+    inputs',
+    teawiebot',
+    ...
+  }: let
+    crossTargets = with pkgs.pkgsCross; {
+      x86_64 = musl64.pkgsStatic;
+      aarch64 = aarch64-multiplatform.pkgsStatic;
+    };
+
+    rustStdFor = pkgs: inputs'.fenix.packages.targets.${pkgs.stdenv.hostPlatform.rust.rustcTarget}.stable.rust-std;
+    toolchain = with inputs'.fenix.packages;
+      combine (lib.flatten [
+        stable.cargo
+        stable.rustc
+        (map rustStdFor (lib.attrValues crossTargets))
+      ]);
+
+    rustPlatformFor = pkgs:
+      pkgs.makeRustPlatform (
+        lib.genAttrs ["cargo" "rustc"] (lib.const toolchain)
+      );
+    crossPlatforms = lib.mapAttrs (lib.const rustPlatformFor) crossTargets;
+
+    buildTeawieWith = rustPlatform:
+      teawiebot'.packages.teawiebot.override {
+        inherit rustPlatform;
+        optimizeSize = true;
+      };
+  in {
+    packages = {
+      teawiebot-static-x86_64 = buildTeawieWith crossPlatforms.x86_64;
+      teawiebot-static-aarch64 = buildTeawieWith crossPlatforms.aarch64;
+    };
+  };
+}
diff --git a/nix/dev/treefmt.nix b/nix/dev/treefmt.nix
new file mode 100644
index 0000000..5e1fd1f
--- /dev/null
+++ b/nix/dev/treefmt.nix
@@ -0,0 +1,21 @@
+{
+  perSystem = {
+    treefmt = {
+      projectRootFile = "flake.nix";
+
+      programs = {
+        alejandra.enable = true;
+        deadnix.enable = true;
+        rustfmt.enable = true;
+      };
+
+      settings.global = {
+        excludes = [
+          "./target"
+          "./flake.lock"
+          "./Cargo.lock"
+        ];
+      };
+    };
+  };
+}