{ lib
, makeSetupHook
, diffutils
, jq
, writeShellApplication
, moreutils
, makeBinaryWrapper
, cacert
, buildPackages
}:

let
  php-script-utils = writeShellApplication {
    name = "php-script-utils";
    runtimeInputs = [ jq ];
    text = builtins.readFile ./php-script-utils.bash;
  };
in
{
  composerRepositoryHook = makeSetupHook
    {
      name = "composer-repository-hook.sh";
      propagatedBuildInputs = [ jq moreutils cacert ];
      substitutions = {
        phpScriptUtils = lib.getExe php-script-utils;
      };
    } ./composer-repository-hook.sh;

  composerInstallHook = makeSetupHook
    {
      name = "composer-install-hook.sh";
      propagatedBuildInputs = [ jq makeBinaryWrapper moreutils cacert ];
      substitutions = {
        # Specify the stdenv's `diff` by abspath to ensure that the user's build
        # inputs do not cause us to find the wrong `diff`.
        cmp = "${lib.getBin buildPackages.diffutils}/bin/cmp";
        phpScriptUtils = lib.getExe php-script-utils;
      };
    } ./composer-install-hook.sh;
}