build/gn/BUILD.gn

# Copyright 2016 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/compiled_action.gni")
import("//build/config/fuchsia/zircon.gni")
import("//build/gn/packages.gni")
import("//build/package.gni")
import("//build/toolchain/goma.gni")

# Permit dependencies on testonly targets from packages.
testonly = true

group("default") {
  deps = [
    ":copy_host_tests",
    "//build/images:packages",
  ]
  if (preinstall_package_labels != [] || monolith_package_labels != []) {
    deps += [ "//build/images" ]
  }
  if (available_package_labels != []) {
    deps += [ "//build/images:updates" ]
  }
}

group("host_tests") {
  visibility = [
    ":*",
    "//:host_tests",
  ]
  public_deps = []
  foreach(label, package_host_tests) {
    public_deps += [ "$label($host_toolchain)" ]
  }
  deps = [
    # Currently host tests dependencies wind up as dependencies of the packages.
    # TODO: We should more cleanly separate host targets (including tests) from
    # packages.
    "//build/images:packages",
  ]
}

# TODO(joshuaseaton|mcgrathr): Make this a formal build_api_module.
#
# Aggregates metadata about all tests within the build graph to create a
# top-level manifest.
generated_file("tests") {
  outputs = [
    "$root_build_dir/tests.json",
  ]
  data_keys = [ "test_spec" ]
  output_conversion = "json"
  deps = [
    ":host_tests",
    "//build/images:packages",
  ]
}

# TODO(IN-819): Provides supplementary metadata for tests no yet contributing
# test spec metadata (e.g., flutter_test).
generated_file("pseudo_tests") {
  outputs = [
    "$root_build_dir/pseudo_tests.json",
  ]
  data_keys = [ "pseudo_test_spec" ]
  output_conversion = "json"
  deps = [
    ":host_tests",
  ]
}

# Copy host test binaries to $root_build_dir/host_tests.
# TODO(IN-819): Delete this copy target once host tests are no longer run out
# of a single directory.
action("copy_host_tests") {
  script = "copy_host_tests.py"

  inputs = [
    "$root_build_dir/tests.json",
    "$root_build_dir/pseudo_tests.json",
  ]

  outputs = [
    "$target_gen_dir/copy_host_tests.stamp",
  ]

  depfile = "$target_gen_dir/copy_host_tests.d"

  args = [
    "--json",
    rebase_path(inputs[0]),
    "--json",
    rebase_path(inputs[1]),
    "--dest-dir",
    rebase_path("$root_build_dir/host_tests"),
    "--stamp",
    rebase_path(outputs[0]),
    "--depfile",
    rebase_path(depfile),
  ]

  deps = [
    ":host_tests",
    ":pseudo_tests",
    ":tests",
    "//build/images:packages",
  ]
}

# Generates breakpad symbol data for unstripped binaries.
#
# This symbol data is consumed by infrastructure tools and uploaded to Crash
# servers to enable crash reporting.  These files are uniquely important for
# release builds and this step may take a few minutes to complete, so it is
# not recommended that this be included in the default build.
action("breakpad_symbols") {
  testonly = true
  script = "//buildtools/${host_platform}/dump_breakpad_symbols"

  deps = [
    "//build/images:ids.txt",
  ]

  inputs = [
    "//buildtools/${host_platform}/dump_syms/dump_syms",
  ]
  sources = [
    "$root_out_dir/ids.txt",
  ]

  # This action generates a single xxx.sym file for each binary in the ids file
  # and produces an archived output of them all.
  outputs = [
    "$root_out_dir/breakpad_symbols/breakpad_symbols.tar.gz",
  ]

  depfile = "${outputs[0]}.d"

  args = [
           "-out-dir",
           rebase_path("$root_out_dir/breakpad_symbols"),
           "-dump-syms-path",
           rebase_path("//buildtools/${host_platform}/dump_syms/dump_syms"),
           "-depfile",
           rebase_path(depfile, root_build_dir),
           "-tar-file",
           rebase_path(outputs[0], root_build_dir),
         ] + rebase_path(sources, root_build_dir)
}

# Generates an archive of package metadata.
amber_files = rebase_path("$root_build_dir/amber-files")
host_out_dir = get_label_info("//anything($host_toolchain)", "root_out_dir")
pm_tool = rebase_path("$host_out_dir/pm")
pkg_archive_contents = [
  "amber-files/repository=$amber_files/repository",

  # TODO(IN-915): this should never contain the root key. In the future, this
  # should contain no keys, once infra is managing key material itself.
  # These keys are consumed by the infra train promote scripts.
  "amber-files/keys=$amber_files/keys",
  "pm=$pm_tool",
]
pkg_archive_manifest = "$target_gen_dir/package_archive_manifest"
write_file(pkg_archive_manifest, pkg_archive_contents)

pkg_archive = "$root_build_dir/packages.tar.gz"
compiled_action("package_archive") {
  testonly = true
  tool = "//build/tools/tar_maker"
  inputs = [
    pkg_archive_manifest,
  ]
  outputs = [
    pkg_archive,
  ]
  args = [
    "-manifest",
    rebase_path(pkg_archive_manifest),
    "-output",
    rebase_path(pkg_archive),
  ]
  deps = [
    "//build/images:updates",
  ]
}