bench: Nix build static linux/amd64 nostr-bench

nix/nostr-bench.nix

@@ -2,27 +2,55 @@
   lib,
   fetchFromGitHub,
   rustPlatform,
-}:
-rustPlatform.buildRustPackage rec {
-  pname = "nostr-bench";
-  version = "0.4.0";
+  pkgsCross,
+  runCommand,
+  staticX86_64Musl ? false,
+}: let
+  selectedRustPlatform =
+    if staticX86_64Musl
+    then pkgsCross.musl64.rustPlatform
+    else rustPlatform;
 
-  src = fetchFromGitHub {
+  srcBase = fetchFromGitHub {
     owner = "rnostr";
-    repo = pname;
+    repo = "nostr-bench";
     rev = "d3ab701512b7c871707b209ef3f934936e407963";
     hash = "sha256-F2qg1veO1iNlVUKf1b/MV+vexiy4Tt+w2aikDDbp7tU=";
   };
 
-  cargoHash = "sha256-mh9UdYhZl6JVJEeDFnY5BjfcK+PrWBBEn1Qh7/ZX17k=";
+  src =
+    if staticX86_64Musl
+    then
+      runCommand "nostr-bench-static-src" {} ''
+        cp -r ${srcBase} $out
+        chmod -R u+w $out
+        cp ${./nostr-bench-static.Cargo.lock} $out/Cargo.lock
+      ''
+    else srcBase;
+in
+  selectedRustPlatform.buildRustPackage (
+    {
+      pname = "nostr-bench";
+      version = "0.4.0";
 
-  doCheck = false;
+      inherit src;
 
-  meta = with lib; {
-    description = "Nostr relay benchmarking tool";
-    homepage = "https://github.com/rnostr/nostr-bench";
-    license = licenses.mit;
-    mainProgram = "nostr-bench";
-    platforms = platforms.unix;
-  };
-}
+      doCheck = false;
+
+      meta = with lib; {
+        description = "Nostr relay benchmarking tool";
+        homepage = "https://github.com/rnostr/nostr-bench";
+        license = licenses.mit;
+        mainProgram = "nostr-bench";
+        platforms = platforms.unix;
+      };
+    }
+    // lib.optionalAttrs staticX86_64Musl {
+      cargoHash = "sha256-aL8XSBJ8sHl7CGh9SkOoI+WlAHKrdij2DfvZAWIKgKY=";
+      CARGO_BUILD_TARGET = "x86_64-unknown-linux-musl";
+      RUSTFLAGS = "-C target-feature=+crt-static";
+    }
+    // lib.optionalAttrs (!staticX86_64Musl) {
+      cargoHash = "sha256-mh9UdYhZl6JVJEeDFnY5BjfcK+PrWBBEn1Qh7/ZX17k=";
+    }
+  )