added

pkgs/fish-rust/default.nix

@@ -0,0 +1,38 @@
+{ lib, rustPlatform, fetchgit, pkg-config, cmake, ncurses, sphinx }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "fish";
+  version = "unstable-2025-03-14";
+
+  src = fetchgit {
+    url = "https://github.com/fish-shell/fish-shell.git";
+    rev = "refs/heads/master";
+    fetchSubmodules = true;
+    sha256 = "18zpwa3yddic6wdwj7g51w6n4apwsixfvl179yddk2nwfpxhv4hq";
+  };
+
+  cargoLock = {
+    lockFile = "${src}/Cargo.lock";
+    outputHashes = {
+      "pcre2-0.2.9" = "0mhjw7fvrzxb3fd0c534a17qgy6svz0z8269d2fs6q8aw11610mr";
+      "pcre2-sys-0.2.9" = "0mhjw7fvrzxb3fd0c534a17qgy6svz0z8269d2fs6q8aw11610mr";
+    };
+  };
+
+  nativeBuildInputs = [ pkg-config cmake sphinx ];
+  buildInputs = [ ncurses ];
+
+  preBuild = ''
+    export FISH_BUILD_VERSION="${version}"
+    export FISH_BUILD_DOCS=1
+  '';
+
+  doCheck = false;
+
+  meta = with lib; {
+    description = "The user-friendly command line shell (Rust version)";
+    homepage = "https://fishshell.com/";
+    license = licenses.gpl2;
+    platforms = platforms.unix;
+  };
+}