From 69b09b6dda1107b2c2d1416df49c59b0720abc2e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aleix=20Bon=C3=A9?= <aleix.boneribo@bsc.es>
Date: Mon, 29 Sep 2025 14:30:14 +0200
Subject: [PATCH] Add riscv64 cross compilation to bsc-ci and hydra

Reviewed-by: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>
---
 flake.nix   | 2 +-
 overlay.nix | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/flake.nix b/flake.nix
index b03734a..86cf8b8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,7 +17,7 @@
       legacyPackages.${system} = pkgs;
 
       hydraJobs = {
-        inherit (self.legacyPackages.${system}.bsc-ci) test pkgs;
+        inherit (self.legacyPackages.${system}.bsc-ci) test pkgs cross;
       };
 
       # propagate nixpkgs lib, so we can do bscpkgs.lib
diff --git a/overlay.nix b/overlay.nix
index e342da7..817fd51 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -96,6 +96,10 @@ in bscPkgs // {
     tests = final.runCommand "ci-tests" { }
       "printf '%s\n' ${toString (collect isDerivation final.bsc-ci.test)} > $out";
 
+    cross = prev.lib.genAttrs [ "riscv64" ] (target:
+      final.pkgsCross.${target}.bsc-ci.pkgs
+    );
+
     all = final.runCommand "ci-all" { }
     ''
       deps="${toString [ final.bsc-ci.pkgsList final.bsc-ci.tests ]}"