nix: fix tests and reorganize flake outputs

default.nix

@@ -1,48 +1,28 @@
-{ system ? builtins.currentSystem, git_version ? null, }:
+{ system ? builtins.currentSystem, git_version ? "unknown", }:
 
 with import ./nix/common.nix;
 
 let
-  pkgs = import pkgsSrc { };
+  pkgs = import nixpkgs { };
   compile = import ./nix/compile.nix;
 
-  build_debug_and_release = (target: {
-    debug = (compile {
-      inherit system target git_version pkgsSrc cargo2nixOverlay;
-      release = false;
-    }).workspace.garage { compileMode = "build"; };
+  compileWith = args: compile ({
+    inherit system git_version nixpkgs;
+    crane = flake.inputs.crane;
+    rust-overlay = flake.inputs.rust-overlay;
+  } // args);
 
-    release = (compile {
-      inherit system target git_version pkgsSrc cargo2nixOverlay;
-      release = true;
-    }).workspace.garage { compileMode = "build"; };
-  });
-
-  test = (rustPkgs:
-    pkgs.symlinkJoin {
-      name = "garage-tests";
-      paths =
-        builtins.map (key: rustPkgs.workspace.${key} { compileMode = "test"; })
-        (builtins.attrNames rustPkgs.workspace);
-    });
+  build_release = target: (compile {
+    inherit target;
+    release = true;
+  }).garage;
 
 in {
-  pkgs = {
-    amd64 = build_debug_and_release "x86_64-unknown-linux-musl";
-    i386 = build_debug_and_release "i686-unknown-linux-musl";
-    arm64 = build_debug_and_release "aarch64-unknown-linux-musl";
-    arm = build_debug_and_release "armv6l-unknown-linux-musleabihf";
-  };
-  test = {
-    amd64 = test (compile {
-      inherit system git_version pkgsSrc cargo2nixOverlay;
-      target = "x86_64-unknown-linux-musl";
-      features = [
-        "garage/bundled-libs"
-        "garage/k2v"
-        "garage/lmdb"
-        "garage/sqlite"
-      ];
-    });
+  releasePackages = {
+    amd64 = build_release "x86_64-unknown-linux-musl";
+    i386 = build_release "i686-unknown-linux-musl";
+    arm64 = build_release "aarch64-unknown-linux-musl";
+    arm = build_release "armv6l-unknown-linux-musleabihf";
   };
+  flakePackages = flake.packages.${system};
 }

flake.nix

@@ -23,29 +23,28 @@
     flake-utils.lib.eachDefaultSystem (system:
       let
         pkgs = nixpkgs.legacyPackages.${system};
+        compileFor = target: release: (compile {
+          inherit system git_version target nixpkgs crane rust-overlay release;
+        });
+        packageFor = target: release: (compileFor target release).garage;
       in
       {
-        packages =
-          let
-            packageFor = target: release: (compile {
-              inherit system git_version target nixpkgs crane rust-overlay release;
-            }).garage;
-          in
-          {
-            # default = native release build
-            default = packageFor null true;
-            # other = cross-compiled, statically-linked builds
-            amd64 = packageFor "x86_64-unknown-linux-musl" true;
-            i386 = packageFor "i686-unknown-linux-musl" true;
-            arm64 = packageFor "aarch64-unknown-linux-musl" true;
-            arm = packageFor "armv6l-unknown-linux-musl" true;
-            # non-optimized packages
-            dev = packageFor null false;
-            dev-amd64 = packageFor "x86_64-unknown-linux-musl" false;
-            dev-i386 = packageFor "i686-unknown-linux-musl" false;
-            dev-arm64 = packageFor "aarch64-unknown-linux-musl" false;
-            dev-arm = packageFor "armv6l-unknown-linux-musl" false;
-          };
+        packages = {
+          # default = native release build
+          default = packageFor null true;
+
+          # <arch> = cross-compiled, statically-linked release builds
+          amd64 = packageFor "x86_64-unknown-linux-musl" true;
+          i386 = packageFor "i686-unknown-linux-musl" true;
+          arm64 = packageFor "aarch64-unknown-linux-musl" true;
+          arm = packageFor "armv6l-unknown-linux-musl" true;
+
+          # dev = native dev build
+          dev = packageFor null false;
+
+          # test = cargo test
+          test = (compileFor null false).garage-test;
+        };
 
         # ---- developpment shell, for making native builds only ----
         devShells =

nix/common.nix

@@ -10,9 +10,9 @@ let
 
   flake = (import flake-compat { system = builtins.currentSystem; src = ../.; });
 in
-rec {
-  pkgsSrc = flake.defaultNix.inputs.nixpkgs;
-  cargo2nix = flake.defaultNix.inputs.cargo2nix;
-  cargo2nixOverlay = cargo2nix.overlays.default;
-  devShells = builtins.getAttr builtins.currentSystem flake.defaultNix.devShells;
+
+{
+  flake = flake.defaultNix;
+  nixpkgs = flake.defaultNix.inputs.nixpkgs;
+  devShells = flake.defaultNix.devShells.${builtins.currentSystem};
 }

nix/compile.nix

@@ -46,7 +46,7 @@ let
   inherit (pkgs) lib stdenv;
 
   toolchainFn = (p: p.rust-bin.stable."1.78.0".default.override {
-    targets = lib.optional (target != null) [ rustTarget ];
+    targets = lib.optionals (target != null) [ rustTarget ];
     extensions = [
       "rust-src"
       "rustfmt"
@@ -109,10 +109,10 @@ let
     {
       inherit src;
       pname = "garage";
-      version = git_version;
+      version = "none";
 
       strictDeps = true;
-      cargoExtraArgs = "--features ${featuresStr}";
+      cargoExtraArgs = "--locked --features ${featuresStr}";
 
       nativeBuildInputs = with pkgs; ([
         pkg-config
@@ -123,8 +123,6 @@ let
         mold
       ]);
 
-      GIT_VERSION = git_version;
-
       CARGO_PROFILE = if release then "release" else "dev";
       CARGO_BUILD_RUSTFLAGS =
         lib.concatStringsSep
@@ -161,11 +159,20 @@ in rec {
   garage = craneLib.buildPackage (commonArgs // {
     cargoArtifacts = garage-deps;
     doCheck = false;
+    version = git_version;
+    GIT_VERSION = git_version;
+  });
+
+  garage-test-deps = craneLib.buildDepsOnly (commonArgs // {
+    pname = "garage-test";
+    cargoArtifacts = garage;
+    cargoExtraArgs = "${commonArgs.cargoExtraArgs} --tests --workspace";
+    CARGO_PROFILE = "test";
   });
 
   garage-test = craneLib.cargoTest (commonArgs // {
     cargoTestExtraArgs = "--workspace";
-    cargoArtifacts = garage;
+    cargoArtifacts = garage-test-deps;
     CARGO_PROFILE = "test";
   });
 }

shell.nix

@@ -3,7 +3,7 @@
 with import ./nix/common.nix;
 
 let
-  pkgs = import pkgsSrc {
+  pkgs = import nixpkgs {
     inherit system;
   };
   winscp = (import ./nix/winscp.nix) pkgs;