From 73ecd4e89ec9e0a8d259616aed604f279669f6fc Mon Sep 17 00:00:00 2001
From: Konstantin Fickel <mail@konstantinfickel.de>
Date: Thu, 2 Apr 2026 22:54:42 +0200
Subject: [PATCH] feat(flake): add musl static build for streamd

Add mkMuslCraneLib and mkStreamdMusl functions to create a
statically-linked binary using the x86_64-unknown-linux-musl target.
This enables portable binaries that don't depend on system glibc.
---
 flake.nix | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/flake.nix b/flake.nix
index 430150f..9f0f395 100644
--- a/flake.nix
+++ b/flake.nix
@@ -105,6 +105,32 @@
             commitizen.enable = true;
           };
         };
+
+      mkMuslCraneLib =
+        system:
+        let
+          pkgs = mkPkgs system;
+          toolchain = pkgs.rust-bin.stable.latest.default.override {
+            targets = [ "x86_64-unknown-linux-musl" ];
+          };
+        in
+        (crane.mkLib pkgs).overrideToolchain toolchain;
+
+      mkStreamdMusl =
+        system:
+        let
+          craneLib = mkMuslCraneLib system;
+          commonArgs = {
+            src = craneLib.path ./.;
+            pname = "streamd";
+            inherit version;
+            strictDeps = true;
+            CARGO_BUILD_TARGET = "x86_64-unknown-linux-musl";
+            CARGO_BUILD_RUSTFLAGS = "-C target-feature=+crt-static";
+          };
+          cargoArtifacts = craneLib.buildDepsOnly commonArgs;
+        in
+        craneLib.buildPackage (commonArgs // { inherit cargoArtifacts; });
     in
     {
       packages = forAllSystems (