From 850096f4e1f5e330ccd2d830defba7db0e939b53 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Janne=20He=C3=9F?= <janne@hess.ooo>
Date: Wed, 21 Aug 2024 14:21:23 +0200
Subject: [PATCH] rustdesk-flutter: Make build reproducible

(cherry picked from commit e1abf9bfed8933d977d25b234999ae48a6dba632)
---
 .../rustdesk-flutter/make-build-reproducible.patch  | 13 +++++++++++++
 pkgs/by-name/ru/rustdesk-flutter/package.nix        |  2 ++
 2 files changed, 15 insertions(+)
 create mode 100644 pkgs/by-name/ru/rustdesk-flutter/make-build-reproducible.patch

diff --git a/pkgs/by-name/ru/rustdesk-flutter/make-build-reproducible.patch b/pkgs/by-name/ru/rustdesk-flutter/make-build-reproducible.patch
new file mode 100644
index 000000000000..15cde84b25f7
--- /dev/null
+++ b/pkgs/by-name/ru/rustdesk-flutter/make-build-reproducible.patch
@@ -0,0 +1,13 @@
+diff --git a/libs/hbb_common/src/lib.rs b/libs/hbb_common/src/lib.rs
+index 15ef310..f3ac940 100644
+--- a/libs/hbb_common/src/lib.rs
++++ b/libs/hbb_common/src/lib.rs
+@@ -218,7 +218,7 @@ pub fn gen_version() {
+         }
+     }
+     // generate build date
+-    let build_date = format!("{}", chrono::Local::now().format("%Y-%m-%d %H:%M"));
++    let build_date = "1970-01-01 00:00";
+     file.write_all(
+         format!("#[allow(dead_code)]\npub const BUILD_DATE: &str = \"{build_date}\";\n").as_bytes(),
+     )
diff --git a/pkgs/by-name/ru/rustdesk-flutter/package.nix b/pkgs/by-name/ru/rustdesk-flutter/package.nix
index 5e03551d2e30..aa403cc04b9e 100644
--- a/pkgs/by-name/ru/rustdesk-flutter/package.nix
+++ b/pkgs/by-name/ru/rustdesk-flutter/package.nix
@@ -149,6 +149,8 @@ in flutter316.buildFlutterApplication rec {
   '';
   patchFlags = [ "-p1" "-d" ".." ];
 
+  patches = [ ./make-build-reproducible.patch ];
+
   postPatch = ''
     substituteInPlace ../Cargo.toml --replace-fail ", \"staticlib\", \"rlib\"" ""
     # The supplied Cargo.lock doesn't work with our fetcher so copy over the fixed version