tools/devshell/contrib/refresh-bazel-compdb

#!/bin/bash
# Copyright 2024 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.

set -eo pipefail

_script_dir="${BASH_SOURCE[0]%/*}"
if [[ "${_script_dir}" == "${BASH_SOURCE[0]}" ]]; then _script_dir="."; fi
readonly _script_dir

source "${_script_dir}/../lib/vars.sh" || exit $?
fx-config-read

if [[ ! -d "${FUCHSIA_BUILD_DIR}" ]]; then
  fx-error "No Fuchsia build directory, please run $(fx set) or $(fx gen)."
fi

fx-info "Updating bazel workspace"
source "${_script_dir}/../lib/bazel_utils.sh" || exit $?
{
  fx-update-bazel-workspace
}

fx-info "Refreshing compile_commands.json"

# We need to figure out our compilation mode to pass to bazel
fx-build-dir-if-present || return 1
optimization=$("${PREBUILT_JQ}" -r '.optimize // "none"' "${FUCHSIA_BUILD_DIR}/args.json")

# Use the build API module file to refresh all Bazel targets in the current
# build if a specific directory or label is not specified by the user.
extra_args=("--bazel-build-action-targets" "${FUCHSIA_BUILD_DIR}/bazel_build_action_targets.json")
for arg in "$@"; do
  case "$arg" in
    --dir|--dir=*|--label|--label=*)
      extra_args=()
      break
      ;;
  esac
done
extra_args+=("$@")

BAZEL_EXE="$(fx-get-bazel)"
"${PREBUILT_PYTHON3}" \
"${FUCHSIA_DIR}/build/bazel/scripts/refresh-bazel-compdb-bin.py" \
  --bazel "${BAZEL_EXE}" \
  --build-dir "${FUCHSIA_BUILD_DIR}" \
  "${extra_args[@]}"