1 files changed, 34 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/rustc-demangle/default.nix b/nixpkgs/pkgs/development/libraries/rustc-demangle/default.nix
new file mode 100644
index 000000000000..be02fedfde71
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/rustc-demangle/default.nix
@@ -0,0 +1,34 @@
+{ rustPlatform, fetchFromGitHub, rust, lib, stdenv }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "rustc-demangle";
+  version = "0.1.20";
+
+  src = fetchFromGitHub {
+    owner = "alexcrichton";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-elxclyuLmr3N66s+pR4/6OU98k1oXI2wKVJtzWPY8FI=";
+  };
+
+  cargoPatches = [
+    # generated using `cargo generate-lockfile` since repo is missing lockfile
+    ./add-Cargo.lock.patch
+  ];
+  cargoSha256 = "sha256-1tW5TOap5MstxTXAFij3IB8TIpI+FryEX9TXlVXjRl4=";
+  cargoBuildFlags = "-p rustc-demangle-capi";
+  postInstall = ''
+    mkdir -p $out/lib
+    cp target/${rust.toRustTargetSpec stdenv.hostPlatform}/release/librustc_demangle.so $out/lib
+    cp -R crates/capi/include $out
+  '';
+
+  meta = with lib; {
+    description = "Rust symbol demangling";
+    homepage = "https://github.com/alexcrichton/rustc-demangle";
+    license = with licenses; [ asl20 mit ];
+    # upstream supports other platforms, but maintainer can only test on linux
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ _1000teslas ];
+  };
+}