Add d2 diagramming language

nix/base-system/d2.nix

@@ -0,0 +1,54 @@
+{ lib
+, buildGoModule
+, fetchFromGitHub
+, installShellFiles
+, git
+, testers
+, d2
+}:
+
+buildGoModule rec {
+  pname = "d2";
+  version = "0.6.3";
+
+  src = fetchFromGitHub {
+    owner = "terrastruct";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-GImv4OJHanj6dKtAJpTaGLrR4AaVTboiYHwRdh/gXaU";
+  };
+
+  vendorHash = "sha256-T7eki06fQuGvYIJKvBJsIkFS1fQ9Jbv+ieUSr2vupqg=";
+
+  excludedPackages = [ "./e2etests" ];
+
+  ldflags = [
+    "-s"
+    "-w"
+    "-X oss.terrastruct.com/d2/lib/version.Version=v${version}"
+  ];
+
+  nativeBuildInputs = [ installShellFiles ];
+
+  postInstall = ''
+    installManPage ci/release/template/man/d2.1
+  '';
+
+  nativeCheckInputs = [ git ];
+
+  preCheck = ''
+    # See https://github.com/terrastruct/d2/blob/master/docs/CONTRIBUTING.md#running-tests.
+    export TESTDATA_ACCEPT=1
+  '';
+
+  passthru.tests.version = testers.testVersion {
+    package = d2;
+    version = "v${version}";
+  };
+
+  meta = with lib; {
+    description = "A modern diagram scripting language that turns text to diagrams";
+    homepage = "https://d2lang.com";
+    license = licenses.mpl20;
+  };
+}

nix/base-system/flake.nix

@@ -40,6 +40,7 @@
 		    inherit (pkgs.tree-sitter) buildGrammar;
 			inherit (pkgs) fetchFromGitHub;
 		};
+        d2-lang = pkgs.callPackage ./d2.nix {};
         # TODO(jwall): When this actually builds we should use it.
 		#nvim-treesitter-powershell = pkgs.callPackage ./nvim-powershell.nix {
 		#    inherit (pkgs.tree-sitter) buildGrammar;
@@ -193,6 +194,7 @@ EOF";
             })
 			lua-language-server
             jdk
+            d2-lang
             plantuml-c4
             texlive.combined.scheme-basic
             nssTools

nix/darwin/flake.lock

@@ -36,12 +36,12 @@
       },
       "locked": {
         "lastModified": 1,
-        "narHash": "sha256-SL1y1rZnHBuBxRGN51dYZnM9F5HUBLUXLm0MvaKW3eU=",
+        "narHash": "sha256-oYMNKaAUEjuXaevB25lSy4tTg047aKzr7dotcL573Vw=",
-        "path": "/nix/store/45f3c4yrah5v22ka0ax58qrgxjz4h50b-source/nix/base-system",
+        "path": "/nix/store/jhrragm07slg62sy6c9726zwwpxfzrs4-source/nix/base-system",
         "type": "path"
       },
       "original": {
-        "path": "/nix/store/45f3c4yrah5v22ka0ax58qrgxjz4h50b-source/nix/base-system",
+        "path": "/nix/store/jhrragm07slg62sy6c9726zwwpxfzrs4-source/nix/base-system",
         "type": "path"
       }
     },