From 4805be654d282bc3a120ddca076d0133b2e80480 Mon Sep 17 00:00:00 2001
From: Peter Hoeg <peter@hoeg.com>
Date: Sun, 19 Apr 2020 15:34:49 +0800
Subject: [PATCH] scry: build against crystal 0.31

---
 pkgs/development/tools/scry/default.nix | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/tools/scry/default.nix b/pkgs/development/tools/scry/default.nix
index 7bd3fa38332..ed823896ad0 100644
--- a/pkgs/development/tools/scry/default.nix
+++ b/pkgs/development/tools/scry/default.nix
@@ -1,6 +1,8 @@
-{ lib, fetchFromGitHub, crystal }:
+{ lib, fetchFromGitHub, crystal_0_31, coreutils, shards, makeWrapper, which }:
 
-crystal.buildCrystalPackage rec {
+let crystal = crystal_0_31;
+
+in crystal.buildCrystalPackage rec {
   pname = "scry";
   version = "0.8.1";
 
@@ -11,9 +13,27 @@ crystal.buildCrystalPackage rec {
     sha256 = "0ii4k9l3dgm1c9lllc8ni9dar59lrxik0v9iz7gk3d6v62wwnq79";
   };
 
+  # we are already testing for this, so we can ignore the failures
+  postPatch = ''
+    rm spec/scry/executable_spec.cr
+  '';
+
+  format = "crystal";
+
+  nativeBuildInputs = [ makeWrapper ];
+
   shardsFile = ./shards.nix;
+
   crystalBinaries.scry.src = "src/scry.cr";
 
+  postFixup = ''
+    wrapProgram $out/bin/scry \
+      --prefix PATH : ${lib.makeBinPath [ crystal coreutils ]}
+  '';
+
+  # the binary doesn't take any arguments, so this will hang
+  doInstallCheck = false;
+
   meta = with lib; {
     description = "Code analysis server for the Crystal programming language";
     homepage = "https://github.com/crystal-lang-tools/scry";