Fix sile on darwin

Makefile

@@ -13,7 +13,7 @@ static/pdf/resume-jeremy-wall.pdf: resume/resume.sil resume/resume.lua
 	mkdir -p static/pdf/
 	mkdir -p ~/.local/share/fonts
 	cp resume/.fonts/* ~/.local/share/fonts/
-	nix-shell -p sile --command "sile --debug classes -o $@ resume/resume.sil"
+	bash bin/sile --debug classes -o $@ resume/resume.sil
 
 publish: build
 	cd public

nix/sile/flake.lock

@@ -0,0 +1,43 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1652776076,
+        "narHash": "sha256-gzTw/v1vj4dOVbpBSJX4J0DwUR6LIyXo7/SuuTJp1kM=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "04c1b180862888302ddfb2e3ad9eaa63afc60cf8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1653328845,
+        "narHash": "sha256-NKc98+iX8YH500np1zWZSQ2C+FoD9sS/nuH02Rg2ats=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "7ae60dd7068478db5d936a3850b6df859aec21d0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "22.05-beta",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

nix/sile/flake.nix

@@ -0,0 +1,22 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=22.05-beta";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = {self, nixpkgs, flake-utils}:
+  flake-utils.lib.eachDefaultSystem (system:
+  let
+    pkgs = import nixpkgs { inherit system; };
+    sile = pkgs.sile.overrideAttrs(oldAttrs: { doCheck = false; });
+  in {
+    packages.sile = sile;
+    apps.sile = {
+      type = "app";
+      program = "${sile}/bin/sile";
+    };
+    devShell = pkgs.mkShell {
+      buildInputs = [ sile ];
+    };
+  });
+}