add a nix file

default.nix

@@ -0,0 +1,33 @@
+{ lib, stdenv, go, fetchGit }:
+
+stdenv.mkDerivation rec {
+  pname = "pipet";
+  version = "unstable-2024-09-06"; 
+
+  src = fetchGit {
+    url = "https://github.com/bjesus/pipet.git";
+    rev = "main";
+  };
+
+  buildInputs = [ go ];
+
+  buildPhase = ''
+    export GOPATH="$PWD/go"
+    mkdir -p $GOPATH/src/github.com/bjesus
+    ln -s $src $GOPATH/src/github.com/bjesus/pipet
+    cd $GOPATH/src/github.com/bjesus/pipet/cmd/pipet
+    go build -o $out/bin/pipet
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    mv pipet $out/bin/
+  '';
+
+  meta = with lib; {
+    description = "a swiss-army tool for scraping and extracting data from online assets, made for hackers";
+    homepage = "https://github.com/bjesus/pipet";
+    license = licenses.mit;
+    maintainers = [ "Yo'av Moshe" ];
+  };
+}