From 61f94fe48974b18b9e2d3fc5c03cc844f8fc3b45 Mon Sep 17 00:00:00 2001 From: Ingolf Wagner Date: Tue, 12 Jun 2018 22:51:40 +0200 Subject: Add README.md containing very simple introductions --- README.md | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 README.md diff --git a/README.md b/README.md new file mode 100644 index 0000000..9fa56d0 --- /dev/null +++ b/README.md @@ -0,0 +1,49 @@ +nix library extension, containing sophisticated script and code generator functions. + +# How to include as overlay + +``` +{ config, pkgs, ... }: +let + + # fetch the repository + # ------------------ + # nix-prefetch-git is your friend to create this part. + nix-writers = (import {}).fetchgit { + url = "https://cgit.krebsco.de/nix-writers"; + rev = "c8d71ce6acbae124a7bc162323442979a1d6df06"; + sha256 = "0r1p34a3jvm55v5sbkfbjpqcld2cbdrvc5685g723b1frhw666ag"; + }; + +in { + + # include the repository as overlay + nixpkgs.config.packageOverrides = import "${nix-writers}/pkgs" pkgs; + + ... + +} +``` + +# How to use the scripts + +once you've included the nix-writers as overlay you can use the scripts to create to create binaries (for example) + +``` + environment.systemPackages = with pkgs; [ + + # Haskell example + (writeHaskell "nix-writers-example-haskell" { + executables."nix-writers-example-haskell".text = ''main = print "this is a writeHaskell example"''; + }) + + # C example + (writeC "nix-writers-example-c" { + destination = "/bin/nix-writers-example-c"; + } ''int main() { printf("this is a writeC example!\n"); }'') + + # Dash example + (writeDashBin "nix-writers-example-dash" ''echo "this is a writeDash example!"'') + + ]; +``` -- cgit v1.2.3