#!/usr/bin/env bash
# Copyright 2021 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

set -ex

# Build cargo-doc
# $ ./tools/cargo-doc --target-dir /path/to/dir

echo "start cargo-doc"

MANIFEST_PATH=$(dirname "$0")/../Cargo.toml

echo "manifest = ${MANIFEST_PATH}"

DISABLED_FEATURES=(
    audio_cras
    chromeos
    libvda
    power-monitor-powerd
    video-decoder
    video-encoder
)

ALL_FEATURES=$(
    cargo metadata --manifest-path "${MANIFEST_PATH}" | \
    jq -r '.packages[] |
        select(.name == "crosvm") |
        .features |
        keys[]')

features=""

for f in $ALL_FEATURES; do
    if [[ ! "${DISABLED_FEATURES[*]}" =~ $f ]]; then
        features+=",${f}"
    fi
done

# Set an environment variable 'CARGO_DOC' here so that each build.rs can skip
# building unnecessary dependencies to generate documentations.
CARGO_DOC="true" cargo doc \
      --manifest-path="${MANIFEST_PATH}" \
      --workspace \
      --no-deps \
      --features="${features}" "$@" \
      --document-private-items