add nix flake for easier dev env

.gitignore

@@ -19,3 +19,4 @@ src/debug.sh
 src/debuga.sh
 src/a.sc
 src/lua
+result

default.nix

@@ -0,0 +1,58 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, makeWrapper
+, pkg-config
+, which
+, bison
+, gnuplot
+, libxls
+, libxlsxwriter
+, libxml2
+, libzip
+, ncurses
+, xlsSupport ? false
+}:
+
+stdenv.mkDerivation rec {
+  pname = "sc-im";
+  version = "9.9.9";
+
+  src = ./src;
+
+  nativeBuildInputs = [
+    makeWrapper
+    pkg-config
+    which
+    bison
+  ];
+
+  buildInputs = [
+    gnuplot
+    libxml2
+    libzip
+    ncurses
+  ] ++ lib.optionals xlsSupport [
+    libxls
+    libxlsxwriter
+  ];
+
+  makeFlags = [ "prefix=${placeholder "out"}" ];
+
+  hardeningDisable = [ "fortify" ];
+
+  env.NIX_CFLAGS_COMPILE = lib.optionalString stdenv.cc.isClang "-Wno-error=implicit-function-declaration";
+
+  postInstall = ''
+    wrapProgram "$out/bin/sc-im" --prefix PATH : "${lib.makeBinPath [ gnuplot ]}"
+  '';
+
+  meta = with lib; {
+    changelog = "https://github.com/andmarti1424/sc-im/blob/${src.rev}/CHANGES";
+    homepage = "https://github.com/andmarti1424/sc-im";
+    description = "An ncurses spreadsheet program for terminal";
+    license = licenses.bsdOriginal;
+    maintainers = with maintainers; [ dotlambda ];
+    platforms = platforms.unix;
+  };
+}

flake.nix

@@ -0,0 +1,43 @@
+{
+  description = "Dev Flake for SC-IM";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, ... }@inputs: inputs.utils.lib.eachSystem [
+    "x86_64-linux" "i686-linux" "aarch64-linux" "x86_64-darwin"
+  ] (system: let
+      pkgs = import nixpkgs {
+        inherit system;
+        overlays = [];
+      };
+      in {
+      devShells.default = pkgs.mkShell rec {
+        name = "sc-im-dev";
+
+        packages = with pkgs; [
+          makeWrapper
+          pkg-config
+          which
+          bison
+          gnuplot
+          libxml2
+          libzip
+          ncurses
+
+          #libxls
+          #libxlsxwriter
+        ];
+
+        shellHook = let
+        icon = "f121";
+        in ''
+          export PS1="$(echo -e '\u${icon}') {\[$(tput sgr0)\]\[\033[38;5;228m\]\w\[$(tput sgr0)\]\[\033[38;5;15m\]} (${name}) \\$ \[$(tput sgr0)\]"
+        '';
+      };
+
+      packages.default = pkgs.callPackage ./default.nix {};
+      });
+}