From f010f37e27ed627a6fa03ece4ff1fa5306def7fc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A1szl=C3=B3=20Vask=C3=B3?=
 <1771332+vlaci@users.noreply.github.com>
Date: Wed, 13 Dec 2023 15:22:49 +0100
Subject: [PATCH] flake.nix: work around missing coverage data due to toolchain
 mixup

Have to redesign the build flow to fix
https://github.com/onekey-sec/unblob/pull/682 in a follow-up.
---
 flake.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/flake.nix b/flake.nix
index f39920b..030f9df 100644
--- a/flake.nix
+++ b/flake.nix
@@ -203,6 +203,7 @@
                             };
                             preConfigure = (super.preConfigure or "") + ''
                               source <(cargo llvm-cov show-env --export-prefix)
+                              export RUSTFLAGS="-C target-feature=-crt-static -C instrument-coverage -C llvm-args=--instrprof-atomic-counter-update-all --cfg=coverage --cfg=coverage_nightly --cfg=trybuild_no_target"
                             '';
                           });
                         in