pull bsf binaries using flake

Signed-off-by: Horiodino <[email protected]>

flake.nix

@@ -0,0 +1,66 @@
+{
+  description = "bsf";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs";
+  };
+
+  outputs = { self, nixpkgs }:
+    let
+      supportedSystems = [ "x86_64-linux" "aarch64-darwin" "x86_64-darwin" "aarch64-linux" ];
+      forEachSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
+        inherit system;
+        pkgs = import nixpkgs { inherit system; };
+      });
+
+      getBinaryUrl = { system, version }: 
+        let
+          urls = {
+            "x86_64-linux" = "https://github.com/buildsafedev/bsf/releases/download/v${version}/bsf_linux_amd64";
+            "aarch64-darwin" = "https://github.com/buildsafedev/bsf/releases/download/v${version}/bsf_darwin_arm64";
+            "x86_64-darwin" = "https://github.com/buildsafedev/bsf/releases/download/v${version}/bsf_darwin_amd64";
+            "aarch64-linux" = "https://github.com/buildsafedev/bsf/releases/download/v${version}/bsf_linux_arm64";
+          };
+        in urls.${system};
+
+        getBinaryHash = { system }:
+          let 
+          hash = {
+            "aarch64-darwin" = "sha256-gml63JR7k9/YCcbsptauaD3WT4G7G7xyMRCM1RnB3P4=";
+            "x86_64-linux" = "sha256-u+60Zxf8RTActuXEShah1XguXwicXLqR3Oa9bTOrv80=";
+            "x86_64-darwin" = "sha256-07yqkelltfg6ptVxT7WnIq3gZerooPE1GLiVsCoVLMI=";
+            "aarch64-linux" = "sha256-xdrHvsN0bBednAY080CTUkPpVhQDeOl388ZKrkSitEc=";
+          };
+          in hash.${system};
+
+    in
+    {
+      packages = forEachSystem ({ pkgs, ... }: {
+        default = pkgs.stdenv.mkDerivation rec {
+          name = "bsf";
+          version = "0.1";
+
+          src = pkgs.fetchurl {
+            url = getBinaryUrl { system = pkgs.system; version = version; };
+            sha256 = getBinaryHash {system = pkgs.system;};
+          };
+
+          dontUnpack = true;
+          phases = [ "installPhase" ];
+          dontBuild = true;
+
+          installPhase = ''
+            mkdir -p $out/bin
+            cp $src $out/bin/bsf
+            chmod +x $out/bin/bsf
+          '';
+
+          shellHook = ''
+            echo $src
+            echo "bsf is available: $out/bin/bsf"
+            $out/bin/bsf 
+          '';
+        };
+      });
+    };
+}