From d51414d155420c0f2f8cfc86bf1d2b7822074eb8 Mon Sep 17 00:00:00 2001
From: stuebinm
Date: Thu, 2 Mar 2023 02:38:49 +0100
Subject: add a default overlay, package the galmon.eu tools

---
 flake.nix        | 14 ++++++++++++--
 pkgs/galmon.nix  | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 pkgs/overlay.nix |  6 ++++++
 3 files changed, 65 insertions(+), 2 deletions(-)
 create mode 100644 pkgs/galmon.nix
 create mode 100644 pkgs/overlay.nix

diff --git a/flake.nix b/flake.nix
index 6755c27..989c4cb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -43,12 +43,17 @@
     freiraum.flake = false;
   };
 
-  outputs = { self, nixpkgs, deploy-rs, ... }@inputs:
+  outputs = { self, deploy-rs, ... }@inputs:
   let
+    nixpkgs = import inputs.nixpkgs {
+      system = "x86_64-linux";
+      overlays = [ self.overlays.default ];
+    };
     mkConfig = imports: config:
-    nixpkgs.lib.nixosSystem rec {
+    inputs.nixpkgs.lib.nixosSystem rec {
       system = "x86_64-linux";
       modules = [ config ] ++ imports;
+      pkgs = nixpkgs;
 
       specialArgs = { inherit inputs system;  };
     };
@@ -104,5 +109,10 @@
 
     home = self.homeConfigurations.stuebinm.activationPackage;
     home-minimal = self.homeConfigurations.stuebinm-minimal.activationPackage;
+
+    overlays.default = import ./pkgs/overlay.nix;
+    packages.x86_64-linux = {
+      inherit (nixpkgs) galmon-core galmon-full;
+    };
   };
 }
diff --git a/pkgs/galmon.nix b/pkgs/galmon.nix
new file mode 100644
index 0000000..7af18da
--- /dev/null
+++ b/pkgs/galmon.nix
@@ -0,0 +1,47 @@
+{ buildAll ? false }:
+
+{ protobuf
+, pkg-config
+, h2o
+, openssl
+, eigen
+, ncurses5
+, zstd
+, zlib
+, curl
+, gitMinimal
+, stdenv
+, fetchFromGitHub
+, lib
+}:
+
+let
+  core = "ubxtool rtcmtool navrecv navnexus navparse";
+  noncore = if buildAll then "navdump navcat reporter rinreport galmonmon navdisplay" else "";
+in
+stdenv.mkDerivation {
+  pname = "galmon";
+  version = "git-master";
+
+  src = fetchFromGitHub {
+    owner = "berthubert";
+    repo = "galmon";
+    rev = "refs/heads/master";
+    sha256 = "sha256-QDluII9Ry3smMup5yOkAQZi35Phdf8m3fsQLDT8JFGc=";
+    fetchSubmodules = true;
+  };
+
+  buildInputs = [
+    protobuf pkg-config h2o openssl eigen ncurses5 zstd zlib curl gitMinimal
+  ];
+
+  buildPhase = ''
+    make ${core} ${noncore}
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    mv ${core} ${noncore} $out/bin
+    ${lib.optionalString buildAll "cp -r html $out/"}
+  '';
+}
diff --git a/pkgs/overlay.nix b/pkgs/overlay.nix
new file mode 100644
index 0000000..eaba1d9
--- /dev/null
+++ b/pkgs/overlay.nix
@@ -0,0 +1,6 @@
+self: super:
+
+{
+  galmon-core = self.callPackage (import ./galmon.nix {}) {};
+  galmon-full = self.callPackage (import ./galmon.nix { buildAll = true; }) {};
+}
-- 
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