Gitignore ni

.gitignore

@@ -25,3 +25,7 @@ heroicons-*.tar
 
 # Temporary files for e.g. tests
 /tmp
+
+# Elixir deps
+.nix-mix/
+.nix-hex/

flake.lock

@@ -0,0 +1,42 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1661720780,
+        "narHash": "sha256-AJNGyaB2eKZAYaPNjBZOzap87yL+F9ZLaFzzMkvega0=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "a63021a330d8d33d862a8e29924b42d73037dd37",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-unstable",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,32 @@
+{
+  description = "Heroicons";
+
+  inputs = {
+    nixpkgs.url = "nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let pkgs = import nixpkgs { inherit system; };
+      in with pkgs; {
+
+        devShell = pkgs.mkShell {
+          buildInputs = with pkgs; [ elixir erlang ];
+          shellHook = ''
+            mkdir -p .nix-mix
+            mkdir -p .nix-hex
+            export MIX_HOME=$PWD/.nix-mix
+            export HEX_HOME=$PWD/.nix-hex
+            export PATH=$MIX_HOME/bin:$PATH
+            export PATH=$HEX_HOME/bin:$PATH
+            export PATH=$MIX_HOME/escripts:$PATH
+
+            export ERL_AFLAGS="-kernel shell_history enabled"
+            export ERL_LIBS="" # see https://elixirforum.com/t/compilation-warnings-clause-cannot-match-in-mix-and-otp-tutorial/25114/4
+
+            export PS1="\[\e[1;33m\][dev]\[\e[1;34m\] \w $ \[\e[0m\]"
+          '';
+        };
+      });
+}