From c1c82426d1b8a0f623ec453c09a62cd369eb294e Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Thu, 6 Jan 2022 16:43:12 +0100
Subject: ...

---
 flake.nix | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/flake.nix b/flake.nix
index 73b7425..beff838 100644
--- a/flake.nix
+++ b/flake.nix
@@ -90,6 +90,7 @@
         # glibc.static
 
         pkgconfig
+        ubnt-mkfwimage
       ];
 
       openwrtWithPackages = pkgs.stdenv.mkDerivation {
@@ -118,6 +119,28 @@
           cp -r . $out
         '';
       };
+
+      ubnt-mkfwimage = pkgs.stdenv.mkDerivation rec {
+        pname = "ubnt-mkfwimage";
+        version = "70594ca";
+        src = pkgs.fetchFromGitHub {
+          owner = "aliosa27";
+          repo = "ubnt-mkfwimage";
+          rev = version;
+          hash = "sha256-NTOSQzRYO/3N2sNLBUa6uzA8LZSshL8W36kW2ociqrA=";
+        };
+
+        buildInputs = with pkgs; [ gcc zlib ];
+
+        sourceRoot = "source/src";
+        buildPhase = ''
+          gcc -lz -o ubnt-mkfwimage ubnt-mkfwimage.c
+        '';
+        installPhase = ''
+          mkdir -p $out/bin
+          install -m 0555 -t $out/bin ubnt-mkfwimage
+        '';
+      };
     in {
       devShell = pkgs.mkShell {
         name = "openwrt";
@@ -151,7 +174,7 @@
       };
 
       packages = {
-        inherit openwrtWithPackages;
+        inherit openwrtWithPackages ubnt-mkfwimage;
       };
     });
 }
-- 
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