nixpkgs: ripgrep: build with lto = true

nixpkgs-ripgrep-build-with-lto-true.patch

From 8a92c363d9b2ef435e3b6eb7183b84b1fcf44a15 Mon Sep 17 00:00:00 2001
From: Ivan Kozik <ivan@ludios.org>
Date: Tue, 14 Jul 2020 06:19:32 +0000
Subject: [PATCH] ripgrep: build with lto = true

This reduces the size of the amd64 binary from 5.7MB to 4.6MB.
---
 pkgs/tools/text/ripgrep/default.nix |  4 ++++
 pkgs/tools/text/ripgrep/lto.patch   | 10 ++++++++++
 2 files changed, 14 insertions(+)
 create mode 100644 pkgs/tools/text/ripgrep/lto.patch

diff --git a/pkgs/tools/text/ripgrep/default.nix b/pkgs/tools/text/ripgrep/default.nix
index 8c9eef9cc3d..6dbccea4451 100644
--- a/pkgs/tools/text/ripgrep/default.nix
+++ b/pkgs/tools/text/ripgrep/default.nix
@@ -20,6 +20,10 @@ rustPlatform.buildRustPackage rec {
     sha256 = "1hqps7l5qrjh9f914r5i6kmcz6f1yb951nv4lby0cjnp5l253kps";
   };
 
+  patches = [
+    ./lto.patch
+  ];
+
   cargoSha256 = "03wf9r2csi6jpa7v5sw5lpxkrk4wfzwmzx7k3991q3bdjzcwnnwp";
 
   cargoBuildFlags = lib.optional withPCRE2 "--features pcre2";
diff --git a/pkgs/tools/text/ripgrep/lto.patch b/pkgs/tools/text/ripgrep/lto.patch
new file mode 100644
index 00000000000..facafe948a3
--- /dev/null
+++ b/pkgs/tools/text/ripgrep/lto.patch
@@ -0,0 +1,10 @@
+diff --git a/Cargo.toml b/Cargo.toml
+index a4c216a..e75a707 100644
+--- a/Cargo.toml
++++ b/Cargo.toml
+@@ -80,3 +80,4 @@ pcre2 = ["grep/pcre2"]
+ [profile.release]
+-debug = 1
++lto = true
++codegen-units = 1
+ 
-- 
2.31.0