# Copyright 2020 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/dist/component_manifest_resources.gni")
import("//build/rust/rustc_binary.gni")
import("//build/rust/rustc_library.gni")
import("//build/rust/rustc_test.gni")
import("//src/sys/build/components.gni")

group("base-resolver") {
  testonly = true
  deps = [ ":tests" ]
}

group("tests") {
  testonly = true
  deps = [
    ":base-resolver-unittests",
    "tests",
  ]
}

base_resolver_deps = [
  "//garnet/lib/rust/io_util",
  "//sdk/fidl/fuchsia.data:fuchsia.data-rustc",
  "//sdk/fidl/fuchsia.io:fuchsia.io-rustc",
  "//sdk/fidl/fuchsia.mem:fuchsia.mem-rustc",
  "//sdk/fidl/fuchsia.sys2:fuchsia.sys2-rustc",
  "//src/lib/fdio/rust:fdio",
  "//src/lib/fidl/rust/fidl",
  "//src/lib/fuchsia",
  "//src/lib/fuchsia-component",
  "//src/lib/fuchsia-url",
  "//src/lib/zircon/rust:fuchsia-zircon",
  "//third_party/rust_crates:anyhow",
  "//third_party/rust_crates:futures",
  "//third_party/rust_crates:log",
  "//third_party/rust_crates:thiserror",
]

rustc_binary("bin") {
  output_name = "base_resolver"

  # base-resolver must always be small (even in debug builds) since it is part of the
  # Zircon boot image.
  force_opt = "z"
  configs += [ "//build/config/lto:thinlto" ]
  configs -= [ "//build/config/lto:thinlto" ]
  configs += [ "//build/config/lto:thinlto" ]
  configs -= [ "//build/config/fuchsia:dynamic_rust_standard_library" ]

  deps = base_resolver_deps

  sources = [ "src/main.rs" ]
}

# A separate rule for tests must be used due to an LLVM crash when using thinlto.
# TODO(fxbug.dev/64371): Merge back into "bin" target with `with_unit_tests = true`.
rustc_test("bin_test") {
  name = "base-resolver_bin_test"

  source_root = "src/main.rs"

  deps = base_resolver_deps + [
           ":fake_pkgfs",
           "//third_party/rust_crates:matches",
         ]

  sources = [ "src/main.rs" ]
}

component_manifest_resources("root-manifest") {
  sources = [ "meta/base-resolver.cml" ]
}

fuchsia_component("base-resolver-component") {
  manifest = "meta/base-resolver.cml"
  deps = [ ":bin" ]
}

# Run with `fx test base-resolver-unittests`.
fuchsia_unittest_package("base-resolver-unittests") {
  manifest = "meta/base-resolver-unittests.cml"
  deps = [ ":bin_test" ]
}

rustc_library("fake_pkgfs") {
  source_root = "src/fake_pkgfs.rs"
  deps = [
    "//garnet/lib/rust/io_util",
    "//sdk/fidl/fuchsia.io:fuchsia.io-rustc",
    "//src/lib/fidl/rust/fidl",
    "//src/lib/fuchsia-async",
    "//src/lib/storage/vfs/rust:vfs",
    "//src/lib/zircon/rust:fuchsia-zircon",
    "//third_party/rust_crates:futures",
  ]
  sources = [ "src/fake_pkgfs.rs" ]
}

group("bootfs") {
  deps = [
    ":bin",
    ":root-manifest",
  ]
}