commit 9a00bec57d44838e7c6939617af31b11ca8d7c68
author Ian Hickson <ian@hixie.ch> Mon Feb 15 11:01:30 2016 -0800
committer Ian Hickson <ian@hixie.ch> Mon Feb 15 11:01:30 2016 -0800
tree 2a212d89d7672166aeb44b8231df5bd59699ad4e
parent 6e14bd2e8c3707da01ad671216784277e7228fbe

Make update_dart_sdk.sh prettier and more resilient

bin/cache/update_dart_sdk.sh

diff --git a/bin/cache/update_dart_sdk.sh b/bin/cache/update_dart_sdk.sh
index da5e0c6..8eac7a3 100755
--- a/bin/cache/update_dart_sdk.sh
+++ b/bin/cache/update_dart_sdk.sh
@@ -3,12 +3,14 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+set -e
+
 DART_SDK_PATH="$FLUTTER_ROOT/bin/cache/dart-sdk"
 DART_SDK_STAMP_PATH="$FLUTTER_ROOT/bin/cache/dart-sdk.stamp"
 DART_SDK_VERSION=`cat "$FLUTTER_ROOT/bin/cache/dart-sdk.version"`
 
 if [ ! -f "$DART_SDK_STAMP_PATH" ] || [ "$DART_SDK_VERSION" != `cat "$DART_SDK_STAMP_PATH"` ]; then
-  echo Downloading Dart SDK $DART_SDK_VERSION...
+  echo "Downloading Dart SDK $DART_SDK_VERSION..."
 
   case "$(uname -s)" in
     Darwin)
@@ -25,12 +27,12 @@
 
   DART_SDK_URL="http://gsdview.appspot.com/dart-archive/channels/stable/raw/$DART_SDK_VERSION/sdk/$DART_ZIP_NAME"
 
-  rm -rf "$DART_SDK_PATH"
-  mkdir -p "$DART_SDK_PATH"
+  rm -rf -- "$DART_SDK_PATH"
+  mkdir -p -- "$DART_SDK_PATH"
   DART_SDK_ZIP="$FLUTTER_ROOT/bin/cache/dart-sdk.zip"
 
-  curl -C - --location -o "$DART_SDK_ZIP" "$DART_SDK_URL"
+  curl --progress-bar -continue-at=- --location --output "$DART_SDK_ZIP" "$DART_SDK_URL"
   unzip -o -q "$DART_SDK_ZIP" -d "$FLUTTER_ROOT/bin/cache"
-  rm "$DART_SDK_ZIP"
-  echo $DART_SDK_VERSION > "$DART_SDK_STAMP_PATH"
+  rm -f -- "$DART_SDK_ZIP"
+  echo "$DART_SDK_VERSION" > "$DART_SDK_STAMP_PATH"
 fi