| #!/bin/bash | 
 | # 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. | 
 |  | 
 | #### CATEGORY=Build | 
 | ### build the minimal host dependencies to run fx main workflows | 
 |  | 
 | ## Usage: | 
 | ##     fx self-build | 
 | ##        Executes some checks and performs the equivalent of | 
 | ##        'fx build :host' | 
 | ## | 
 |  | 
 | source "$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"/lib/vars.sh \ | 
 |     || exit $? | 
 |  | 
 |  | 
 | if [[ $# -ne 0 ]]; then | 
 |   usage | 
 |   exit 0 | 
 | fi | 
 |  | 
 | fx-command-exec build //:host |