Pass the version variable to script snapshots at build time (#920)

Closes #914
See https://github.com/dart-lang/sdk/issues/36579#issuecomment-571386118

CHANGELOG.md

@@ -1,3 +1,8 @@
+## 1.24.3
+
+* Fix a bug where `sass --version` would crash for certain executable
+  distributions.
+
 ## 1.24.2
 
 * Fix a bug introduced in the previous release that prevented custom importers

package/chocolatey/sass.bat

@@ -5,4 +5,4 @@ REM https://opensource.org/licenses/MIT.
 
 set SCRIPTPATH=%~dp0
 set arguments=%*
-dart.exe "-Dversion=SASS_VERSION" "%SCRIPTPATH%\sass.dart.snapshot" %arguments%
+dart.exe "%SCRIPTPATH%\sass.dart.snapshot" %arguments%

package/dart-sass.bat

@@ -11,4 +11,4 @@ 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%
+"%SCRIPTPATH%\src\dart.exe" "%SCRIPTPATH%\src\sass.dart.snapshot" %arguments%

package/dart-sass.sh

@@ -22,4 +22,4 @@ 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" "$path/src/sass.dart.snapshot" "$@"
+exec "$path/src/dart" "$path/src/sass.dart.snapshot" "$@"

package/sass.bat

@@ -9,4 +9,4 @@ REM grinder package`.
 
 set SCRIPTPATH=%~dp0
 set arguments=%*
-"%SCRIPTPATH%\src\dart.exe" "-Dversion=SASS_VERSION" "%SCRIPTPATH%\src\sass.dart.snapshot" %arguments%
+"%SCRIPTPATH%\src\dart.exe" "%SCRIPTPATH%\src\sass.dart.snapshot" %arguments%

package/sass.sh

@@ -18,4 +18,4 @@ follow_links() {
 
 # Unlike $0, $BASH_SOURCE points to the absolute path of this file.
 path=`dirname "$(follow_links "$0")"`
-exec "$path/src/dart" "-Dversion=SASS_VERSION" "$path/src/sass.dart.snapshot" "$@"
+exec "$path/src/dart" "$path/src/sass.dart.snapshot" "$@"

pubspec.yaml

@@ -1,5 +1,5 @@
 name: sass
-version: 1.24.2
+version: 1.24.3
 description: A Sass implementation in Dart.
 author: Sass Team
 homepage: https://github.com/sass/dart-sass

tool/grind/chocolatey.dart

@@ -32,8 +32,7 @@ void chocolateyPackage() {
         "package/chocolatey/chocolateyInstall.ps1"))
     ..addFile(file("tools/chocolateyUninstall.ps1",
         "package/chocolatey/chocolateyUninstall.ps1"))
-    ..addFile(fileFromString("tools/sass.bat",
+    ..addFile(file("tools/sass.bat", "package/chocolatey/sass.bat"));
-        readAndReplaceVersion("package/chocolatey/sass.bat")));
 
   var output = "build/sass.${_chocolateyVersion()}.nupkg";
   log("Creating $output...");

tool/grind/standalone.dart

@@ -18,7 +18,8 @@ bool get _is64Bit => Platform.version.contains("x64");
 @Task('Build Dart script snapshot.')
 void snapshot() {
   ensureBuild();
-  Dart.run('bin/sass.dart', vmArgs: ['--snapshot=build/sass.dart.snapshot']);
+  Dart.run('bin/sass.dart',
+      vmArgs: ['-Dversion=$version', '--snapshot=build/sass.dart.snapshot']);
 }
 
 @Task('Build a dev-mode Dart application snapshot.')
@@ -42,6 +43,7 @@ void _appSnapshot() {
       arguments: ['tool/app-snapshot-input.scss'],
       vmArgs: [
         '--enable-asserts',
+        '-Dversion=$version',
         '--snapshot=build/sass.dart.app.snapshot',
         '--snapshot-kind=app-jit'
       ],
@@ -103,15 +105,11 @@ Future<void> _buildPackage(String os) async {
       ..addFile(file("dart-sass/src/sass.dart.snapshot",
           useNative ? "build/sass.dart.native" : "build/sass.dart.snapshot"))
       ..addFile(file("dart-sass/src/SASS_LICENSE", "LICENSE"))
-      ..addFile(fileFromString(
+      ..addFile(file("dart-sass/dart-sass${os == 'windows' ? '.bat' : ''}",
-          "dart-sass/dart-sass${os == 'windows' ? '.bat' : ''}",
+          "package/dart-sass.${os == 'windows' ? 'bat' : 'sh'}",
-          readAndReplaceVersion(
-              "package/dart-sass.${os == 'windows' ? 'bat' : 'sh'}"),
           executable: true))
-      ..addFile(fileFromString(
+      ..addFile(file("dart-sass/sass${os == 'windows' ? '.bat' : ''}",
-          "dart-sass/sass${os == 'windows' ? '.bat' : ''}",
+          "package/sass.${os == 'windows' ? 'bat' : 'sh'}",
-          readAndReplaceVersion(
-              "package/sass.${os == 'windows' ? 'bat' : 'sh'}"),
           executable: true));
 
     var prefix = 'build/dart-sass-$version-$os-$architecture';

tool/grind/utils.dart

@@ -35,11 +35,6 @@ void ensureBuild() {
   Directory('build').createSync(recursive: true);
 }
 
-/// Reads [file], replaces all instances of SASS_VERSION with the actual
-/// version, and returns its contents.
-String readAndReplaceVersion(String file) =>
-    File(file).readAsStringSync().replaceAll("SASS_VERSION", version);
-
 /// Returns the environment variable named [name], or throws an exception if it
 /// can't be found.
 String environment(String name) {