From 1b313a12dabe5e1584a9412d382cd4e84f526601 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Mon, 20 Aug 2018 14:41:49 +0100
Subject: [PATCH] checkstyle: add wrapper in bin

---
 .../tools/analysis/checkstyle/default.nix           | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/tools/analysis/checkstyle/default.nix b/pkgs/development/tools/analysis/checkstyle/default.nix
index b5e7328091e..690db9a30e1 100644
--- a/pkgs/development/tools/analysis/checkstyle/default.nix
+++ b/pkgs/development/tools/analysis/checkstyle/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl }:
+{ stdenv, fetchurl, makeWrapper, jre }:
 
 stdenv.mkDerivation rec {
   version = "8.12";
@@ -9,11 +9,16 @@ stdenv.mkDerivation rec {
     sha256 = "000048flqhkwnjn37bh07wgn6q4m12s3h3p9piqgvxswrjc95x3y";
   };
 
-  phases = [ "installPhase" ];
+  nativeBuildInputs = [ makeWrapper jre ];
+
+  unpackPhase = ":";
 
   installPhase = ''
-    mkdir -p $out/checkstyle
-    cp $src $out/checkstyle/checkstyle-all.jar
+    runHook preInstall
+    install -D $src $out/checkstyle/checkstyle-all.jar
+    makeWrapper ${jre}/bin/java $out/bin/checkstyle \
+      --add-flags "-jar $out/checkstyle/checkstyle-all.jar"
+    runHook postInstall
   '';
 
   meta = with stdenv.lib; {