From 1a271d7f82ed1386e04ef0d13b1bcdb9f5e62e34 Mon Sep 17 00:00:00 2001
From: Diego Diverio <diego@monads.fr>
Date: Wed, 18 Sep 2024 15:55:44 +0200
Subject: [PATCH 1/2] Add flake.nix.

---
 flake.lock | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 flake.nix  | 34 ++++++++++++++++++++++++++++++
 2 files changed, 95 insertions(+)
 create mode 100644 flake.lock
 create mode 100644 flake.nix

diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..3d9f83b
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1726560853,
+        "narHash": "sha256-X6rJYSESBVr3hBoH0WbKE5KvhPU5bloyZ2L4K60/fPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c1dfcf08411b08f6b8615f7d8971a2bfa81d5e8a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1726583932,
+        "narHash": "sha256-zACxiQx8knB3F8+Ze+1BpiYrI+CbhxyWpcSID9kVhkQ=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "658e7223191d2598641d50ee4e898126768fe847",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..1a826a2
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,34 @@
+{
+  description = "";
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+  outputs = {self, nixpkgs, flake-utils } :
+  flake-utils.lib.eachDefaultSystem (system:
+    let pkgs = import nixpkgs { inherit system; };
+        ecpprog = {
+          name = "ecpprog";
+          # packages = [];
+          buildInputs = [ pkgs.clang pkgs.gnumake pkgs.libftdi1 ];
+          nativeBuildInputs = [ pkgs.pkg-config ];
+          src = ./ecpprog;
+          buildPhase = ''
+            export DESTDIR=$out
+            export PREFIX=
+            make
+          '';
+          installPhase = ''
+            export DESTDIR=$out
+            export PREFIX=
+            make install
+          '';
+        };
+    in
+    {
+      devShells.default = pkgs.mkShell ecpprog;
+      packages.ecpprog = with pkgs; stdenv.mkDerivation ecpprog;
+      defaultPackage = with pkgs; stdenv.mkDerivation ecpprog;
+    }
+  );
+}

From 1f4579e81df8522a2f0bf143c7e3a44ef99ddad0 Mon Sep 17 00:00:00 2001
From: Diego Diverio <diego@monads.fr>
Date: Wed, 18 Sep 2024 18:35:51 +0200
Subject: [PATCH 2/2] Add a description to the flake.

---
 .envrc    | 1 +
 flake.nix | 5 ++---
 2 files changed, 3 insertions(+), 3 deletions(-)
 create mode 100644 .envrc

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/flake.nix b/flake.nix
index 1a826a2..73f4e77 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,15 +1,14 @@
 {
-  description = "";
+  description = "A basic driver for FTDI based JTAG probes (FT232H, FT2232H, FT4232H), to program Lattice ECP5/Nexus FPGAs.";
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     flake-utils.url = "github:numtide/flake-utils";
   };
-  outputs = {self, nixpkgs, flake-utils } :
+  outputs = { self, nixpkgs, flake-utils } :
   flake-utils.lib.eachDefaultSystem (system:
     let pkgs = import nixpkgs { inherit system; };
         ecpprog = {
           name = "ecpprog";
-          # packages = [];
           buildInputs = [ pkgs.clang pkgs.gnumake pkgs.libftdi1 ];
           nativeBuildInputs = [ pkgs.pkg-config ];
           src = ./ecpprog;