| # Copyright 2019 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/components.gni") |
| import("//build/dist/distribution_manifest.gni") |
| |
| # Define configuration data that can be aggregated into other packages. This is |
| # primarily used to aggregate configuration files into the config-data package |
| # that supplies the /config/data namespace. |
| # |
| # for_pkg (required) |
| # [string] The name of the package this is configuration for. |
| # |
| # outputs (optional) |
| # [list of one path] This must be a relative path (no leading `/`). It can use |
| # placeholders based on $sources; see copy() and `gn help source_expansion`. |
| # If not provided, the outputs will be named by processing the sources |
| # with the {{source_file_part}} template. Applying this template to |
| # "config/mycfg.config" produces "mycfg.config". If supplied the list must |
| # contain exactly one path pattern. |
| # |
| # sources (required) |
| # [list of files] List of files in the source tree or build that become |
| # $outputs. See copy() for details. |
| # |
| # See copy() for other parameters. |
| template("config_data") { |
| group(target_name) { |
| forward_variables_from(invoker, |
| [ |
| "data_deps", |
| "deps", |
| "for_pkg", |
| "outputs", |
| "public_deps", |
| "sources", |
| "testonly", |
| "visibility", |
| ]) |
| |
| if (!defined(outputs)) { |
| outputs = [ "{{source_file_part}}" ] |
| } |
| |
| assert(outputs != [] && outputs - [ outputs[0] ] == [], |
| "Exactly one output pattern required.") |
| |
| if (defined(invoker.for_pkg)) { |
| if (string_replace(target_out_dir, "vendor/google", "") != |
| target_out_dir) { |
| import("//vendor/google/build/config_data_for_pkg_allowlist.gni") |
| } else { |
| import("//build/config_data_for_pkg_allowlist.gni") |
| } |
| assert(config_data_for_pkg_allowlist == [] || |
| config_data_for_pkg_allowlist + [ invoker.for_pkg ] - |
| [ invoker.for_pkg ] != config_data_for_pkg_allowlist, |
| "${invoker.for_pkg} is not an allowed value for for_pkg") |
| } |
| |
| metadata = { |
| if (defined(invoker.metadata)) { |
| forward_variables_from(invoker.metadata, "*") |
| } |
| config_package_entries = [] |
| foreach(source, sources) { |
| foreach(target, process_file_template([ source ], outputs)) { |
| # Config files are usually small, so package them in meta/ so they're |
| # archived together rather than spread across individual blobs. |
| # See also: fxbug.dev/37055 |
| config_package_entries += [ |
| { |
| source = rebase_path(source, root_build_dir) |
| destination = "meta/data/$for_pkg/$target" |
| label = get_label_info(":$target_name", "label_with_toolchain") |
| }, |
| ] |
| } |
| } |
| } |
| } |
| } |
| |
| # Produce a configuration package who's content are defined by all config_data |
| # targets in its dependency chain. |
| # |
| # Parameters |
| # |
| # deps (required) |
| # testonly (optional) |
| # visibility (optional) |
| # Usual GN meanings. |
| template("config_package") { |
| config_package_entries_target = "${target_name}_config_package_entries" |
| config_package_entries = "$target_out_dir/$config_package_entries_target" |
| generated_file(config_package_entries_target) { |
| forward_variables_from(invoker, |
| [ |
| "deps", |
| "testonly", |
| ]) |
| visibility = [ |
| ":*", |
| "//build/assembly/*", |
| ] |
| data_keys = [ "config_package_entries" ] |
| walk_keys = [ "config_package_barrier" ] |
| outputs = [ config_package_entries ] |
| output_conversion = "json" |
| metadata = { |
| # Don't pick up resources from deps |
| distribution_entries_barrier = [] |
| } |
| } |
| |
| distribution_entries_target = "${target_name}_distribution_entries_file" |
| distribution_entries_file(distribution_entries_target) { |
| forward_variables_from(invoker, [ "testonly" ]) |
| visibility = [ ":*" ] |
| deps = [ ":$config_package_entries_target" ] |
| file = config_package_entries |
| } |
| |
| validate_sysmgr_config_target = "${target_name}_validate_sysmgr_config" |
| merged_sysmgr_config = "$target_gen_dir/${target_name}_merged_sysmgr_config" |
| action(validate_sysmgr_config_target) { |
| forward_variables_from(invoker, [ "testonly" ]) |
| visibility = [ ":*" ] |
| deps = [ ":$config_package_entries_target" ] |
| script = "//build/tools/validate_sysmgr_config.py" |
| inputs = [ config_package_entries ] |
| depfile = "$target_out_dir/$target_name.d" |
| outputs = [ merged_sysmgr_config ] |
| |
| args = [ |
| "--config-entries", |
| rebase_path(config_package_entries, root_build_dir), |
| "--depfile", |
| rebase_path(depfile, root_build_dir), |
| "--merged", |
| rebase_path(merged_sysmgr_config, root_build_dir), |
| ] |
| } |
| |
| fuchsia_package(target_name) { |
| forward_variables_from(invoker, |
| [ |
| "package_name", |
| "testonly", |
| "visibility", |
| ]) |
| deps = [ |
| ":$distribution_entries_target", |
| ":$validate_sysmgr_config_target", |
| ] |
| |
| if (defined(golden_file_target)) { |
| deps += [ ":$golden_file_target" ] |
| } |
| |
| metadata = { |
| if (defined(invoker.metadata)) { |
| forward_variables_from(invoker.metadata, "*") |
| } |
| config_package_barrier = [] |
| } |
| } |
| } |