|  | #!/bin/bash | 
|  | # Copyright 2018 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 | 
|  | ### run `gn gen` against the Fuchsia build directories. | 
|  |  | 
|  | ## Execute a `gn gen` against the Fuchsia build | 
|  | ## If successful, execute a `gn gen` against the Fuchsia build. | 
|  | ## | 
|  | ## In abstract, if FUCHSIA_BUILD_DIR is out/x64, this is simply: | 
|  | ##   gn gen out/x64 | 
|  | ## It is useful if one has by some mechanism deleted the ninja artifacts, but | 
|  | ## not the args.gn, e.g. if one CTRL+C's a regen step (gn bug). | 
|  |  | 
|  | source "$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"/lib/vars.sh || exit $? | 
|  |  | 
|  | if ! fx-build-dir-if-present; then | 
|  | fx-error "No build directory found." | 
|  | fx-error "Run \"fx set\" to create a new build directory, or specify one with --dir" | 
|  | exit 1 | 
|  | fi | 
|  |  | 
|  | fx-gen |