{ patchSet, useRailsExpress, ops, patchLevel, fetchpatch }:

{
  "2.3.8" = ops useRailsExpress [
    "${patchSet}/patches/ruby/2.3/head/railsexpress/01-skip-broken-tests.patch"
    "${patchSet}/patches/ruby/2.3/head/railsexpress/02-improve-gc-stats.patch"
    "${patchSet}/patches/ruby/2.3/head/railsexpress/03-display-more-detailed-stack-trace.patch"
  ];
  "2.4.7" = ops useRailsExpress [
    "${patchSet}/patches/ruby/2.4/head/railsexpress/01-skip-broken-tests.patch"
    "${patchSet}/patches/ruby/2.4/head/railsexpress/02-improve-gc-stats.patch"
    "${patchSet}/patches/ruby/2.4/head/railsexpress/03-display-more-detailed-stack-trace.patch"
  ];
  "2.5.6" = ops useRailsExpress [
    "${patchSet}/patches/ruby/2.5/head/railsexpress/01-fix-broken-tests-caused-by-ad.patch"
    "${patchSet}/patches/ruby/2.5/head/railsexpress/02-improve-gc-stats.patch"
    "${patchSet}/patches/ruby/2.5/head/railsexpress/03-more-detailed-stacktrace.patch"
  ];
  "2.6.4" = [
    (fetchpatch {
      url = "https://git.ruby-lang.org/ruby.git/patch/?id=ade1283ca276f7d589ffd3539fbc7b9817f682d5";
      sha256 = "1vgrckmzz0ykyxgzyp8fcifa93xz2hvyfil79bw1gc3xx94wnnxd";
    })
  ] ++ ops useRailsExpress [
    "${patchSet}/patches/ruby/2.6/head/railsexpress/01-fix-broken-tests-caused-by-ad.patch"
    "${patchSet}/patches/ruby/2.6/head/railsexpress/02-improve-gc-stats.patch"
    "${patchSet}/patches/ruby/2.6/head/railsexpress/03-more-detailed-stacktrace.patch"
  ];
}