|  | #!/usr/bin/env bash | 
|  | # Copyright (c) 2012, 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. | 
|  |  | 
|  | 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 "$BASH_SOURCE")" | 
|  |  | 
|  | # Handle the case where dart-sdk/bin has been symlinked to. | 
|  | CUR_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)" | 
|  |  | 
|  | if [[ `uname` == 'Darwin' ]]; | 
|  | then | 
|  | OUT_DIR="$CUR_DIR"/../../xcodebuild/ | 
|  | else | 
|  | OUT_DIR="$CUR_DIR"/../../out/ | 
|  | fi | 
|  |  | 
|  | if [ -z "$DART_CONFIGURATION" ]; | 
|  | then | 
|  | DIRS=$( ls "$OUT_DIR" ) | 
|  | # list of possible configurations in decreasing desirability | 
|  | CONFIGS=("ReleaseX64" "ReleaseARM64" "ReleaseIA32" "DebugX64" "DebugIA32" | 
|  | "ReleaseARM" "DebugARM" "DebugARM64" ) | 
|  | DART_CONFIGURATION="None" | 
|  | for CONFIG in ${CONFIGS[*]} | 
|  | do | 
|  | for DIR in $DIRS; | 
|  | do | 
|  | if [ "$CONFIG" = "$DIR" ]; | 
|  | then | 
|  | # choose most desirable configuration that is available and break | 
|  | DART_CONFIGURATION="$DIR" | 
|  | break 2 | 
|  | fi | 
|  | done | 
|  | done | 
|  | if [ "$DART_CONFIGURATION" = "None" ] | 
|  | then | 
|  | echo "No valid dart configuration found in $OUT_DIR" | 
|  | exit 1 | 
|  | fi | 
|  | fi | 
|  |  | 
|  | BIN_DIR="$OUT_DIR$DART_CONFIGURATION" | 
|  |  | 
|  | exec "$BIN_DIR"/dart-sdk/bin/dart "$@" |