diff --git a/pkgs/by-name/de/deno/package.nix b/pkgs/by-name/de/deno/package.nix
index 64ab1a5847d0..e064cda4a774 100644
--- a/pkgs/by-name/de/deno/package.nix
+++ b/pkgs/by-name/de/deno/package.nix
@@ -55,20 +55,19 @@ rustPlatform.buildRustPackage (finalAttrs: {
     ./patches/0003-tests-linux-no-chown.patch
     ./patches/0004-tests-darwin-fixes.patch
   ];
-  postPatch =
-    ''
-      # Use patched nixpkgs libffi in order to fix https://github.com/libffi/libffi/pull/857
-      tomlq -ti '.workspace.dependencies.libffi = { "version": .workspace.dependencies.libffi, "features": ["system"] }' Cargo.toml
-    ''
-    +
-      lib.optionalString
-        (stdenv.hostPlatform.isLinux || (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isx86_64))
-        ''
-          # LTO crashes with the latest Rust + LLVM combination.
-          # https://github.com/rust-lang/rust/issues/141737
-          # TODO: remove this once LLVM is upgraded to 20.1.7
-          tomlq -ti '.profile.release.lto = false' Cargo.toml
-        '';
+  postPatch = ''
+    # Use patched nixpkgs libffi in order to fix https://github.com/libffi/libffi/pull/857
+    tomlq -ti '.workspace.dependencies.libffi = { "version": .workspace.dependencies.libffi, "features": ["system"] }' Cargo.toml
+  ''
+  +
+    lib.optionalString
+      (stdenv.hostPlatform.isLinux || (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isx86_64))
+      ''
+        # LTO crashes with the latest Rust + LLVM combination.
+        # https://github.com/rust-lang/rust/issues/141737
+        # TODO: remove this once LLVM is upgraded to 20.1.7
+        tomlq -ti '.profile.release.lto = false' Cargo.toml
+      '';
 
   buildInputs = [
     libffi
@@ -86,7 +85,8 @@ rustPlatform.buildRustPackage (finalAttrs: {
     # required by deno_kv crate
     protobuf
     installShellFiles
-  ] ++ lib.optionals stdenv.hostPlatform.isDarwin [ lld ];
+  ]
+  ++ lib.optionals stdenv.hostPlatform.isDarwin [ lld ];
 
   configureFlags = lib.optionals stdenv.cc.isClang [
     # This never worked with clang, but became a hard error recently: https://github.com/llvm/llvm-project/commit/3d5b610c864c8f5980eaa16c22b71ff1cf462fae
@@ -148,48 +148,47 @@ rustPlatform.buildRustPackage (finalAttrs: {
     #   - https://github.com/denoland/deno/blob/2212d7d814914e43f43dfd945ee24197f50fa6fa/tests/Cargo.toml#L25
     #   - https://github.com/denoland/file_test_runner/blob/9c78319a4e4c6180dde0e9e6c2751017176e65c9/src/collection/mod.rs#L49
   ];
-  checkFlags =
-    [
-      # Internet access
-      "--skip=check::ts_no_recheck_on_redirect"
-      "--skip=js_unit_tests::quic_test"
-      "--skip=js_unit_tests::net_test"
-      "--skip=node_unit_tests::http_test"
-      "--skip=node_unit_tests::http2_test"
-      "--skip=node_unit_tests::net_test"
-      "--skip=node_unit_tests::tls_test"
-      "--skip=npm::lock_file_lock_write"
+  checkFlags = [
+    # Internet access
+    "--skip=check::ts_no_recheck_on_redirect"
+    "--skip=js_unit_tests::quic_test"
+    "--skip=js_unit_tests::net_test"
+    "--skip=node_unit_tests::http_test"
+    "--skip=node_unit_tests::http2_test"
+    "--skip=node_unit_tests::net_test"
+    "--skip=node_unit_tests::tls_test"
+    "--skip=npm::lock_file_lock_write"
 
-      # GPU access
-      "--skip=js_unit_tests::webgpu_test"
-      "--skip=js_unit_tests::jupyter_test"
+    # GPU access
+    "--skip=js_unit_tests::webgpu_test"
+    "--skip=js_unit_tests::jupyter_test"
 
-      # Use of /usr/bin
-      "--skip=specs::permission::proc_self_fd"
+    # Use of /usr/bin
+    "--skip=specs::permission::proc_self_fd"
 
-      # Flaky
-      "--skip=init::init_subcommand_serve"
-      "--skip=serve::deno_serve_parallel"
-      "--skip=js_unit_tests::stat_test" # timing-sensitive
-      "--skip=repl::pty_complete_imports"
-      "--skip=repl::pty_complete_expression"
+    # Flaky
+    "--skip=init::init_subcommand_serve"
+    "--skip=serve::deno_serve_parallel"
+    "--skip=js_unit_tests::stat_test" # timing-sensitive
+    "--skip=repl::pty_complete_imports"
+    "--skip=repl::pty_complete_expression"
 
-      # Test hangs, needs investigation
-      "--skip=repl::pty_complete_imports_no_panic_empty_specifier"
+    # Test hangs, needs investigation
+    "--skip=repl::pty_complete_imports_no_panic_empty_specifier"
 
-      # Use of VSOCK, might not be available on all platforms
-      "--skip=js_unit_tests::serve_test"
-      "--skip=js_unit_tests::fetch_test"
-    ]
-    ++ lib.optionals stdenv.hostPlatform.isDarwin [
-      # Expects specific shared libraries from macOS to be linked
-      "--skip=shared_library_tests::macos_shared_libraries"
+    # Use of VSOCK, might not be available on all platforms
+    "--skip=js_unit_tests::serve_test"
+    "--skip=js_unit_tests::fetch_test"
+  ]
+  ++ lib.optionals stdenv.hostPlatform.isDarwin [
+    # Expects specific shared libraries from macOS to be linked
+    "--skip=shared_library_tests::macos_shared_libraries"
 
-      # Darwin sandbox issues
-      "--skip=watcher"
-      "--skip=node_unit_tests::_fs_watch_test"
-      "--skip=js_unit_tests::fs_events_test"
-    ];
+    # Darwin sandbox issues
+    "--skip=watcher"
+    "--skip=node_unit_tests::_fs_watch_test"
+    "--skip=js_unit_tests::fs_events_test"
+  ];
 
   __darwinAllowLocalNetworking = true;