Name the standalone executable sass rather than dart-sass (#257)

Author: nex3

CHANGELOG.md

@@ -13,6 +13,10 @@
 
 * Don't crash on `$x % 0`.
 
+* The standalone executable distributed on GitHub is now named `sass` rather
+  than `dart-sass`. The `dart-sass` executable will remain, with a deprecation
+  message, until 1.0.0 is released.
+
 ### Dart API
 
 * Add a `Logger` class that allows users to control how messages are printed by

package/dart-sass.bat

@@ -7,6 +7,8 @@ REM This script drives the standalone Sass package, which bundles together a
 REM Dart executable and a snapshot of Sass. It can be created with `pub run
 REM grinder package`.
 
+echo "WARNING: The dart-sass executable is deprecated, use sass instead."
+
 set SCRIPTPATH=%~dp0
 set arguments=%*
 "%SCRIPTPATH%\src\dart.exe" "-Dversion=SASS_VERSION" "%SCRIPTPATH%\src\sass.dart.snapshot" %arguments%

package/dart-sass.sh

@@ -16,6 +16,10 @@ follow_links() {
   echo "$file"
 }
 
+if [ -t 1 ]; then
+  echo -e "\e[1;33mWarning\e[0;0m: The \e[1;1mdart-sass\e[0;0m executable is deprecated, use \e[1;1msass\e[0;0m instead."
+fi
+
 # Unlike $0, $BASH_SOURCE points to the absolute path of this file.
 path=`dirname "$(follow_links "$BASH_SOURCE")"`
 exec "$path/src/dart" "-Dversion=SASS_VERSION" "$path/src/sass.dart.snapshot" "$@"

package/sass.bat

@@ -0,0 +1,12 @@
+@echo off
+REM Copyright 2016 Google Inc. Use of this source code is governed by an
+REM MIT-style license that can be found in the LICENSE file or at
+REM https://opensource.org/licenses/MIT.
+
+REM This script drives the standalone Sass package, which bundles together a
+REM Dart executable and a snapshot of Sass. It can be created with `pub run
+REM grinder package`.
+
+set SCRIPTPATH=%~dp0
+set arguments=%*
+"%SCRIPTPATH%\src\dart.exe" "-Dversion=SASS_VERSION" "%SCRIPTPATH%\src\sass.dart.snapshot" %arguments%

package/sass.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+# Copyright 2016 Google Inc. Use of this source code is governed by an MIT-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/MIT.
+
+# This script drives the standalone Sass package, which bundles together a Dart
+# executable and a snapshot of Sass. It can be created with `pub run grinder
+# package`.
+
+follow_links() {
+  file="$1"
+  while [ -h "$file" ]; do
+    # On Mac OS, readlink -f doesn't work.
+    file="$(readlink "$file")"
+  done
+  echo "$file"
+}
+
+# Unlike $0, $BASH_SOURCE points to the absolute path of this file.
+path=`dirname "$(follow_links "$BASH_SOURCE")"`
+exec "$path/src/dart" "-Dversion=SASS_VERSION" "$path/src/sass.dart.snapshot" "$@"

tool/grind.dart

@@ -419,6 +419,11 @@ Future _buildPackage(http.Client client, String os, {bool x64: true}) async {
         "dart-sass/dart-sass${os == 'windows' ? '.bat' : ''}",
         _readAndReplaceVersion(
             "package/dart-sass.${os == 'windows' ? 'bat' : 'sh'}"),
+        executable: true))
+    ..addFile(_fileFromString(
+        "dart-sass/sass${os == 'windows' ? '.bat' : ''}",
+        _readAndReplaceVersion(
+            "package/sass.${os == 'windows' ? 'bat' : 'sh'}"),
         executable: true));
 
   var prefix = 'build/dart-sass-$_version-$os-$architecture';