From 409a1f074e16eacf7c12428df9a44d5ce5550cf1 Mon Sep 17 00:00:00 2001
From: 06kellyjac <dev@j-k.io>
Date: Tue, 19 May 2020 10:13:32 +0100
Subject: [PATCH] deno: init at 1.0.0

Adding deno for it's 1.0.0 release

* Builds from source (doesn't build V8 from source)
* Runs most of the tests
* Bundles completions for:
  * bash - tested
  * zsh  - untested
  * fish - untested
* Set up for multiple builds:
  * x86_64-linux
    * Passed - NixOS
  * aarch64-linux
    * Passed just build - Raspbian on RPI4
    * Failed build + check (ended with SIGKILL 9)
  * x86_64-darwin
    * Untested
---
 pkgs/development/web/deno/default.nix | 139 ++++++++++++++++++++++++++
 pkgs/top-level/all-packages.nix       |   4 +
 2 files changed, 143 insertions(+)
 create mode 100644 pkgs/development/web/deno/default.nix

diff --git a/pkgs/development/web/deno/default.nix b/pkgs/development/web/deno/default.nix
new file mode 100644
index 0000000000000..629c1eeb41a13
--- /dev/null
+++ b/pkgs/development/web/deno/default.nix
@@ -0,0 +1,139 @@
+{ stdenv
+, fetchurl
+, fetchFromGitHub
+, rust
+, rustPlatform
+, python27
+, installShellFiles
+, Security
+, CoreServices
+}:
+let
+  pname = "deno";
+  version = "1.0.0";
+
+  denoSrc = fetchFromGitHub {
+    owner = "denoland";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0k8mqy1hf9hkp60jhd0x4z814y36g51083b3r7prc69ih2523hd1";
+
+    fetchSubmodules = true;
+  };
+  cargoSha256 = "1fjl07qqvl1f20qazcqxh32xmdfh80jni7i3jzvz6vgsfw1g5cmk";
+
+  rustyV8Lib = fetchlib "rusty_v8" "0.4.2" {
+    x86_64-linux = "1ac6kv3kv087df6kdgfd7kbh24187cg9z7xhbz6rw6jjv4ci2zbi";
+    aarch64-linux = "06iyjx4p4vp2i81wdy0vxai2k18pki972ff7k0scjqrgmnav1p8k";
+    x86_64-darwin = "02hwbpsqdzb9mvfndgykvv44f1jig3w3a26l0h26hs5shsrp47jv";
+  };
+
+  arch = rust.toRustTarget stdenv.hostPlatform;
+  fetchlib = name: version: sha256: fetchurl {
+    url = "https://github.com/denoland/${name}/releases/download/v${version}/librusty_v8_release_${arch}.a";
+    sha256 = sha256."${stdenv.hostPlatform.system}";
+    meta = { inherit version; };
+  };
+in
+rustPlatform.buildRustPackage rec {
+  inherit pname version cargoSha256;
+
+  src = denoSrc;
+
+  nativeBuildInputs = [
+    # chromium/V8 requires python 2.7, we're not building V8 from source
+    # but as a result rusty_v8's download script also uses python 2.7
+    # tracking issue: https://bugs.chromium.org/p/chromium/issues/detail?id=942720
+    python27
+
+    # Install completions post-install
+    installShellFiles
+  ];
+
+  buildInputs = with stdenv.lib; [ ]
+    ++ optionals stdenv.isDarwin [ Security CoreServices ];
+
+  # The rusty_v8 package will try to download a `librusty_v8.a` release at build time to our read-only filesystem
+  # To avoid this we pre-download the file and place it in the locations it will require it in advance
+  preBuild = ''
+    # Check the rusty_v8 lib downloaded matches the Cargo.lock file
+    rusty_v8_ver="$(grep 'name = "rusty_v8"' -A 1 Cargo.lock | grep "version =" | cut -d\" -f2)"
+    if [ "${rustyV8Lib.meta.version}" != "$rusty_v8_ver" ]; then
+      printf "%s\n" >&2 \
+        "version mismatch between 'rusty_v8' in Cargo.lock and downloaded library:" \
+        "  wanted: ${rustyV8Lib.meta.version}" \
+        "  got:    $rusty_v8_ver"
+      exit 1
+    fi;
+
+    _rusty_v8_setup() {
+      for v in "$@"; do
+        dir="target/$v/gn_out/obj"
+        mkdir -p "$dir" && cp "${rustyV8Lib}" "$dir/librusty_v8.a"
+      done
+    }
+
+    # Copy over the `librusty_v8.a` file inside target/XYZ/gn_out/obj, symlink not allowed
+    _rusty_v8_setup "debug" "release" "${arch}/release"
+  '';
+
+  # Set home to existing env var TMP dir so tests that write there work correctly
+  preCheck = ''
+    export HOME="$TMPDIR"
+  '';
+
+  checkFlags = [
+    # Strace not allowed on hydra
+    "--skip benchmark_test"
+
+    # Tests that try to write to `/build/source/target/debug`
+    "--skip _017_import_redirect"
+    "--skip https_import"
+    "--skip js_unit_tests"
+    "--skip lock_write_fetch"
+
+    # Cargo test runs a deno test on the std lib with sub-benchmarking-tests,
+    # The sub-sub-tests that are failing:
+    # forAwaitFetchDenolandX10, promiseAllFetchDenolandX10is
+    # Trying to access https://deno.land/ on build's limited network access
+    "--skip std_tests"
+
+    # Fails on aarch64 machines
+    # tracking issue: https://github.com/denoland/deno/issues/5324
+    "--skip run_v8_flags"
+
+    # Skip for multiple reasons:
+    # downloads x86_64 binary on aarch64 machines
+    # tracking issue: https://github.com/denoland/deno/pull/5402
+    # downloads a binary that needs ELF patching & tries to run imediately
+    # upgrade will likely never work with nix as it tries to replace itself
+    # code: https://github.com/denoland/deno/blob/v1.0.0/cli/upgrade.rs#L211
+    "--skip upgrade_in_tmpdir"
+    "--skip upgrade_with_version_in_tmpdir"
+  ];
+
+  # TODO: Move to enhanced installShellCompletion when merged: PR #83630
+  postInstall = ''
+    $out/bin/deno completions bash > deno.bash
+    $out/bin/deno completions fish > deno.fish
+    $out/bin/deno completions zsh  > _deno
+    installShellCompletion deno.{bash,fish} --zsh _deno
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = "https://deno.land/";
+    description = "A secure runtime for JavaScript and TypeScript";
+    longDescription = ''
+      Deno aims to be a productive and secure scripting environment for the modern programmer.
+      Deno will always be distributed as a single executable.
+      Given a URL to a Deno program, it is runnable with nothing more than the ~15 megabyte zipped executable.
+      Deno explicitly takes on the role of both runtime and package manager.
+      It uses a standard browser-compatible protocol for loading modules: URLs.
+      Among other things, Deno is a great replacement for utility scripts that may have been historically written with
+      bash or python.
+    '';
+    license = licenses.mit;
+    maintainers = with maintainers; [ jk ];
+    platforms = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3c2e4ea2024a3..1128a52d3d677 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2837,6 +2837,10 @@ in
 
   deer = callPackage ../shells/zsh/zsh-deer { };
 
+  deno = callPackage ../development/web/deno {
+    inherit (darwin.apple_sdk.frameworks) Security CoreServices;
+  };
+
   detox = callPackage ../tools/misc/detox { };
 
   devilspie2 = callPackage ../applications/misc/devilspie2 {