From 72e67bd6baadf9060b751e0027fecbb16e8a8b1f Mon Sep 17 00:00:00 2001
From: Matthew Bauer <mjbauer95@gmail.com>
Date: Sat, 8 Jun 2019 22:51:56 -0400
Subject: [PATCH] emacs-irony: prebuild irony-server executable
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This has melpaBuild compile the irony-server executable automatically.
This means each user of the irony executable doesn’t have to wait for
it to compile on each new use. This depends on this PR to work
correctly:

https://github.com/Sarcasm/irony-mode/pull/537
---
 pkgs/top-level/all-packages.nix   |  2 +-
 pkgs/top-level/emacs-packages.nix | 39 +++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index a714e34371b4a6..ad9de1aa3ba004 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -17600,7 +17600,7 @@ in
       inherit (pythonPackages) elpy;
       inherit
         autoconf automake git libffi libpng pkgconfig poppler rtags w3m zlib
-        substituteAll rustPlatform;
+        substituteAll rustPlatform cmake llvmPackages;
     };
   };
 
diff --git a/pkgs/top-level/emacs-packages.nix b/pkgs/top-level/emacs-packages.nix
index f1fdf30f61c241..1975f6aad43e55 100644
--- a/pkgs/top-level/emacs-packages.nix
+++ b/pkgs/top-level/emacs-packages.nix
@@ -288,6 +288,45 @@ let
 
   icicles = callPackage ../applications/editors/emacs-modes/icicles { };
 
+  irony = melpaBuild rec {
+    pname = "irony";
+    ename = "irony";
+    version = "20190516";
+    src = fetchFromGitHub {
+      owner = "Sarcasm";
+      repo = "irony-mode";
+      rev = "c3ae899b61124a747ebafc705086345e460ac08e";
+      sha256 = "06ld83vzyklfmrfi6pp893mvlnhacv9if75c9pbipjvy6nwfb63r";
+    };
+    recipe = fetchurl {
+      url = "https://raw.githubusercontent.com/milkypostman/melpa/3cfa28c7314fa57fa9a3aaaadf9ef83f8ae541a9/recipes/irony";
+      sha256 = "1xcxrdrs7imi31nxpszgpaywq4ivni75hrdl4zzrf103xslqpl8a";
+      name = "recipe";
+    };
+    preConfigure = ''
+      cd server
+    '';
+    preBuild = ''
+      make
+    '';
+    postInstall = ''
+      mkdir -p $out
+      mv $out/share/emacs/site-lisp/elpa/*/server/bin $out
+      rm -rf $out/share/emacs/site-lisp/*/server
+    '';
+    preCheck = ''
+      cd source/server
+    '';
+    dontUseCmakeBuildDir = true;
+    doCheck = true;
+    packageRequires = [ emacs ];
+    nativeBuildInputs = [ external.cmake external.llvmPackages.llvm ];
+    meta = {
+      homepage = "https://melpa.org/#/irony";
+      license = lib.licenses.gpl3;
+    };
+  };
+
   redshank = callPackage ../applications/editors/emacs-modes/redshank { };
 
   rtags = melpaBuild rec {