| # 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. | |
| OUTFILE=$1 | |
| GIT_DIR=$2 | |
| VERSION_INFO="$(TZ=UTC git --git-dir=$GIT_DIR show --no-patch --no-notes --pretty='%H-%ct' HEAD 2> /dev/null)" | |
| # Update the existing file only if it's changed. | |
| if [ ! -r "$OUTFILE" ] || [ "$(<"$OUTFILE")" != "$VERSION_INFO" ]; then | |
| echo "$VERSION_INFO" > "$OUTFILE" | |
| fi |