dart-sdk/sdk/bin/dartdoc
William Hesse 634e5a1d02 Refs #25328 Use a portable shebang
BSD systems don't place bash in /bin and a lot of the dart tools
hardcode a #!/bin/bash shebang that fails the 'all' target build
(not able to execute dart2js since the interpreter is not found).

Solve the issue by using #!/usr/bin/env as the shebang. For scripts
that need to pass arguments to bash modify the script to use the set
command as the first executed line of shell.

BUG=
R=whesse@google.com

Review URL: https://codereview.chromium.org/1552313002 .
2016-01-05 16:26:28 +01:00

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#!/usr/bin/env bash
# Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
# for details. All rights reserved. Use of this source code is governed by a
# BSD-style license that can be found in the LICENSE file.
# Run dart_style/bin/format.dart on the Dart VM. This script assumes the Dart
# SDK's directory structure.
function follow_links() {
file="$1"
while [ -h "$file" ]; do
# On Mac OS, readlink -f doesn't work.
file="$(readlink "$file")"
done
echo "$file"
}
# Unlike $0, $BASH_SOURCE points to the absolute path of this file.
PROG_NAME="$(follow_links "$BASH_SOURCE")"
# Handle the case where dart-sdk/bin has been symlinked to.
BIN_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)"
SDK_DIR="$(cd "${BIN_DIR}/.." ; pwd -P)"
SNAPSHOT="$BIN_DIR/snapshots/dartdoc.dart.snapshot"
# We are running the snapshot in the built SDK.
DART="$BIN_DIR/dart"
exec "$DART" --packages="$BIN_DIR/snapshots/resources/dartdoc/.packages" "$SNAPSHOT" "$@"