From 282a4f049af74df888c9871b340b2c4100650491 Mon Sep 17 00:00:00 2001
From: Thomas Honeyman <hello@thomashoneyman.com>
Date: Wed, 9 Aug 2023 17:26:30 -0400
Subject: [PATCH] Add git-lfs dependency (#651)

---
 app/default.nix     |  5 +++--
 flake.nix           |  9 ++++++++-
 nix/module.nix      | 10 ++++++++--
 scripts/default.nix |  9 +++++----
 4 files changed, 24 insertions(+), 9 deletions(-)

diff --git a/app/default.nix b/app/default.nix
index 05544421..12cc7b1c 100644
--- a/app/default.nix
+++ b/app/default.nix
@@ -12,6 +12,7 @@
   dhall,
   dhall-json,
   git,
+  git-lfs,
   licensee,
   coreutils,
   gzip,
@@ -73,7 +74,7 @@ in {
     '';
     postFixup = ''
       wrapProgram $out/bin/${name} \
-        --set PATH ${lib.makeBinPath [compilers purs-versions dhall dhall-json licensee git coreutils gzip gnutar]} \
+        --set PATH ${lib.makeBinPath [compilers purs-versions dhall dhall-json licensee git git-lfs coreutils gzip gnutar]} \
     '';
   };
 
@@ -106,7 +107,7 @@ in {
     '';
     postFixup = ''
       wrapProgram $out/bin/${name} \
-        --set PATH ${lib.makeBinPath [compilers purs-versions dhall dhall-json licensee git coreutils gzip gnutar]} \
+        --set PATH ${lib.makeBinPath [compilers purs-versions dhall dhall-json licensee git git-lfs coreutils gzip gnutar]} \
     '';
   };
 }
diff --git a/flake.nix b/flake.nix
index e413da82..11a7fba0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -40,6 +40,11 @@
 
     DHALL_TYPES = ./types;
 
+    # We disable git-lfs files explicitly, as this is intended for large files
+    # (typically >4GB), and source packgaes really ought not be shipping large
+    # files — just source code.
+    GIT_LFS_SKIP_SMUDGE = 1;
+
     registryOverlay = final: prev: rec {
       nodejs = prev.nodejs_20;
 
@@ -210,7 +215,7 @@
       # A full set of environment variables, each set to their default values
       # according to the env.example file, or to the values explicitly set below
       # (e.g. DHALL_PRELUDE and DHALL_TYPES).
-      defaultEnv = parseEnv ./.env.example // {inherit DHALL_PRELUDE DHALL_TYPES;};
+      defaultEnv = parseEnv ./.env.example // {inherit DHALL_PRELUDE DHALL_TYPES GIT_LFS_SKIP_SMUDGE;};
 
       # Parse a .env file, skipping empty lines and comments, into Nix attrset
       parseEnv = path: let
@@ -662,6 +667,7 @@
 
       devShells = {
         default = pkgs.mkShell {
+          inherit GIT_LFS_SKIP_SMUDGE;
           name = "registry-dev";
           packages = with pkgs; [
             # All stable PureScript compilers
@@ -678,6 +684,7 @@
             nixFlakes
             nixfmt
             git
+            git-lfs
             bash
             nodejs
             jq
diff --git a/nix/module.nix b/nix/module.nix
index 429b951f..76580330 100644
--- a/nix/module.nix
+++ b/nix/module.nix
@@ -34,7 +34,7 @@ in {
     };
 
     envVars = lib.mkOption {
-      type = lib.types.attrsOf (lib.types.either lib.types.str lib.types.path);
+      type = lib.types.attrsOf (lib.types.either lib.types.str (lib.types.either lib.types.int lib.types.path));
       default = {};
       description = "Environment variables to set for the registry server";
     };
@@ -79,7 +79,13 @@ in {
     systemd.services = let
       # Print an attrset of env vars { ENV_VAR = "value"; } as a newline-delimited
       # string of "ENV_VAR=value" lines, then write the text to the Nix store.
-      defaultEnvFile = pkgs.writeText ".env" (pkgs.lib.concatStringsSep "\n" (pkgs.lib.mapAttrsToList (name: value: "${name}=${value}") cfg.envVars));
+      defaultEnvFile =
+        pkgs.writeText ".env"
+        (pkgs.lib.concatStringsSep "\n" (pkgs.lib.mapAttrsToList (name: value:
+          if (builtins.typeOf value == "int")
+          then "${name}=${toString value}"
+          else "${name}=${value}")
+        cfg.envVars));
     in {
       server = {
         description = "registry server";
diff --git a/scripts/default.nix b/scripts/default.nix
index 17a2e839..60fe56f3 100644
--- a/scripts/default.nix
+++ b/scripts/default.nix
@@ -12,6 +12,7 @@
   dhall-json,
   licensee,
   git,
+  git-lfs,
   coreutils,
   gzip,
   gnutar,
@@ -23,8 +24,8 @@
     stdenv.mkDerivation rec {
       inherit name;
       src = ./src;
-      nativeBuildInputs = [ esbuild makeWrapper ];
-      buildInputs = [ nodejs ];
+      nativeBuildInputs = [esbuild makeWrapper];
+      buildInputs = [nodejs];
       entrypoint = writeText "entrypoint.js" ''
         import { main } from "./output/Registry.Scripts.${module}";
         main();
@@ -49,9 +50,9 @@
       '';
       postFixup = ''
         wrapProgram $out/bin/${name} \
-          --set PATH ${lib.makeBinPath [ compilers purs-versions dhall dhall-json licensee git coreutils gzip gnutar ]}
+          --set PATH ${lib.makeBinPath [compilers purs-versions dhall dhall-json licensee git git-lfs coreutils gzip gnutar]}
       '';
-      };
+    };
 in {
   legacy-importer = build-script "registry-legacy-importer" "LegacyImporter";
   package-deleter = build-script "registry-package-deleter" "PackageDeleter";