dockerfmt: init at 0.3.7

pkgs/by-name/do/dockerfmt/package.nix

@@ -0,0 +1,42 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  buildGoModule,
+  installShellFiles,
+  versionCheckHook,
+}:
+
+buildGoModule (finalAttrs: {
+  pname = "dockerfmt";
+  version = "0.3.7";
+
+  src = fetchFromGitHub {
+    owner = "reteps";
+    repo = "dockerfmt";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-cNxPe0LOZyUxyw43fmTQeoxvXcT9K+not/3SvChBSx4=";
+  };
+
+  vendorHash = "sha256-fLGgvAxSAiVSrsnF7r7EpPKCOOD9jzUsXxVQNWjYq80=";
+
+  nativeBuildInputs = [ installShellFiles ];
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
+    installShellCompletion --cmd dockerfmt \
+      --bash <($out/bin/dockerfmt completion bash) \
+      --fish <($out/bin/dockerfmt completion fish) \
+      --zsh <($out/bin/dockerfmt completion zsh)
+  '';
+
+  doInstallCheck = true;
+  nativeInstallCheckInputs = [ versionCheckHook ];
+  versionCheckProgramArg = "version";
+
+  meta = {
+    description = "Dockerfile formatter: a modern dockfmt";
+    homepage = "https://github.com/reteps/dockerfmt";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ mahyarmirrashed ];
+    mainProgram = "dockerfmt";
+  };
+})