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Add Homebrew support (#230)

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Technically Homebrew support was added by sass/homebrew-sass@83b7db9,
but this makes it official by documenting it and adding a
semi-automated update process.
This commit is contained in:
Natalie Weizenbaum 2018-02-03 16:18:10 -08:00 committed by GitHub
parent 6d641dbfc0
commit 060df8a3d7
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13
README.md
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@ -23,6 +23,7 @@ A [Dart][dart] implementation of [Sass][sass]. **Sass makes CSS fun again**.
* [Using Dart Sass](#using-dart-sass)
* [From Chocolatey (Windows)](#from-chocolatey-windows)
* [From Homebrew (OS X)](#from-homebrew-os-x)
* [Standalone](#standalone)
* [From npm](#from-npm)
* [From Pub](#from-pub)
@ -48,6 +49,18 @@ choco install sass -prerelease
That'll give you a `sass` executable on your command line that will run Dart
Sass.
### From Homebrew (OS X)
If you use [the Homebrew package manager](https://brew.sh/) for Mac OS X, you
can install Dart Sass by running
```sh
brew install --devel sass/sass/sass
```
That'll give you a `sass` executable on your command line that will run Dart
Sass.
### Standalone
You can download the standalone Dart Sass archive for your operating

59
tool/grind.dart
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@ -9,6 +9,7 @@ import 'dart:io';
import 'package:archive/archive.dart';
import 'package:charcode/charcode.dart';
import 'package:collection/collection.dart';
import 'package:crypto/crypto.dart';
import 'package:grinder/grinder.dart';
import 'package:http/http.dart' as http;
import 'package:node_preamble/preamble.dart' as preamble;
@ -400,3 +401,61 @@ ArchiveFile _fileFromString(String path, String contents,
ArchiveFile _file(String target, String source, {bool executable: false}) =>
_fileFromBytes(target, new File(source).readAsBytesSync(),
executable: executable);
/// A regular expression for locating the URL and SHA256 hash of the Sass
/// archive in the `homebrew-sass` formula.
final _homebrewRegExp = new RegExp(r'\n( *)url "[^"]+"'
r'\n *sha256 "[^"]+"');
@Task('Update the Homebrew formula for the current version.')
update_homebrew() async {
_ensureBuild();
var process = await Process.start("git", [
"archive",
"--prefix=dart-sass-$_version/",
"--format=tar.gz",
_version
]);
var digest = await sha256.bind(process.stdout).first;
var stderr = await UTF8.decodeStream(process.stderr);
if ((await process.exitCode) != 0) {
fail('git archive "$_version" failed:\n$stderr');
}
if (new Directory("build/homebrew-sass/.git").existsSync()) {
await runAsync("git",
arguments: ["fetch", "origin"],
workingDirectory: "build/homebrew-sass");
await runAsync("git",
arguments: ["reset", "--hard", "origin/master"],
workingDirectory: "build/homebrew-sass");
} else {
delete(new Directory("build/homebrew-sass"));
await runAsync("git", arguments: [
"clone",
"git@github.com:sass/homebrew-sass.git",
"build/homebrew-sass"
]);
}
var formula = new File("build/homebrew-sass/sass.rb");
log("updating ${formula.path}");
formula.writeAsStringSync(formula.readAsStringSync().replaceFirstMapped(
_homebrewRegExp,
(match) =>
'\n${match[1]}url "https://github.com/sass/dart-sass/archive/$_version.tar.gz"'
'\n${match[1]}sha256 "$digest"'));
run("git",
arguments: [
"commit",
"--all",
"--message",
"Update Dart Sass to $_version"
],
workingDirectory: "build/homebrew-sass");
await runAsync("git",
arguments: ["push"], workingDirectory: "build/homebrew-sass");
}