Set up Cargo and Nix project

2026-06-16 01:46:49 +09:00
parent 4e82f47f90
commit 34855f3b7b
9 changed files with 194 additions and 0 deletions
@@ -0,0 +1,54 @@
+{
+  lib,
+  rustPlatform,
+}:
+
+let
+  srcRoot = ./.;
+  srcRootString = toString srcRoot;
+  sourceFilter =
+    path: type:
+    let
+      pathString = toString path;
+      relPath = lib.removePrefix "${srcRootString}/" pathString;
+      baseName = baseNameOf pathString;
+      isExcludedTree = dir: relPath == dir || lib.hasPrefix "${dir}/" relPath;
+    in
+    !(
+      baseName == ".git"
+      || baseName == "target"
+      || baseName == "result"
+      || isExcludedTree ".yoi"
+      || isExcludedTree ".worktree"
+    );
+in
+rustPlatform.buildRustPackage {
+  pname = "decodal";
+  version = "0.1.0";
+
+  src = lib.cleanSourceWith {
+    src = srcRoot;
+    filter = sourceFilter;
+  };
+
+  cargoLock.lockFile = ./Cargo.lock;
+
+  strictDeps = true;
+
+  doInstallCheck = true;
+  installCheckPhase = ''
+    runHook preInstallCheck
+
+    test -x "$out/bin/decodal"
+    "$out/bin/decodal" >/dev/null
+
+    runHook postInstallCheck
+  '';
+
+  meta = {
+    description = "Deferred Constraint Data Language";
+    license = lib.licenses.mit;
+    mainProgram = "decodal";
+    platforms = lib.platforms.unix;
+  };
+}