chore: nix flake for CLI

.github/release-please-config.json

@@ -8,7 +8,7 @@
     ".": {
       "component": "cli",
       "package-name": "hcloud-upload-image",
-      "extra-files": ["internal/version/version.go"]
+      "extra-files": ["internal/version/version.go", "hcloud-upload-image.nix"]
     },
     "hcloudimages": {
       "component": "hcloudimages",

flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1715961556,
+        "narHash": "sha256-+NpbZRCRisUHKQJZF3CT+xn14ZZQO+KjxIIanH3Pvn4=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4a6b83b05df1a8bd7d99095ec4b4d271f2956b64",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,27 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; # unstable for go 1.22
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs {
+          system = system;
+        };
+        hcloud-upload-image = pkgs.callPackage ./hcloud-upload-image.nix { };
+      in
+      {
+        packages = {
+          default = hcloud-upload-image;
+        };
+
+        devShells = {
+          default = pkgs.mkShell {
+            packages = [ hcloud-upload-image ];
+          };
+        };
+      }
+    );
+}

hcloud-upload-image.nix

@@ -0,0 +1,44 @@
+{ config, pkgs, fetchFromGitHub, ... }:
+
+pkgs.buildGo122Module rec {
+  pname = "hcloud-upload-image";
+  version = "v0.2.1"; # x-release-please-version
+  #src = pkgs.fetchFromGitHub {
+  #  owner = "apricote";
+  #  repo = "hcloud-upload-image";
+  #  rev = version;
+  #  sha256 = "KYhmMo/GDiLOWuEtdiY/KDwh1MO3crAFN2SGiL8FFIU=";
+  #};
+  src = ./.;
+
+  vendorHash = "";
+  overrideModAttrs = _: {
+    #outputHash = "sha256-/FluEFTvrX07L4kGPH7jPrcRhwdrCz1p4OVErNegNLw=";
+    #outputHash = null;
+    #outputHashAlgo = null;
+    #outputHashMode = null;
+  };
+
+  nativeBuildInputs = [
+    pkgs.installShellFiles
+  ];
+
+  preBuild = ''
+    export GOWORK=off
+  '';
+
+  subPackages = [ "." ]; # We only need to CLI, fails with the "hcloudimages" module otherwise
+  CGO_ENABLED = "0";
+
+  ldflags = [
+    "-X github.com/apricote/hcloud-upload-image/internal/version.version=${version}"
+    "-X github.com/apricote/hcloud-upload-image/internal/version.versionPrerelease="
+  ];
+
+  postInstall = ''
+    installShellCompletion --cmd hcloud-upload-image \
+      --bash <($out/bin/hcloud-upload-image completion bash) \
+      --fish <($out/bin/hcloud-upload-image completion fish) \
+      --zsh <($out/bin/hcloud-upload-image completion zsh)
+  '';
+}