From 17b88e5c13932c498ad7f28a78b96d5d986447fc Mon Sep 17 00:00:00 2001
From: Natalie Weizenbaum <nweiz@google.com>
Date: Tue, 1 Oct 2019 16:27:39 -0700
Subject: [PATCH 1/2] Automate Homebrew deployment

Closes #26
---
 .travis.yml              | 11 ++++++++
 tool/grind.dart          |  1 +
 tool/grind/homebrew.dart | 60 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 72 insertions(+)
 create mode 100644 tool/grind/homebrew.dart

diff --git a/.travis.yml b/.travis.yml
index c1d8436a..75c846ea 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -99,6 +99,17 @@ jobs:
       skip_cleanup: true
       on: {tags: true}
 
+  # Deploy to Homebrew.
+  - name: Homebrew
+    if: *deploy-if
+    env: *github-env
+    script: skip
+    deploy:
+      provider: script
+      script: pub run grinder update-homebrew
+      skip_cleanup: true
+      on: {tags: true}
+
   # Deploy to Chocolatey.
   - name: Chocolatey
     if: *deploy-if
diff --git a/tool/grind.dart b/tool/grind.dart
index 294c8737..6cbeaac7 100644
--- a/tool/grind.dart
+++ b/tool/grind.dart
@@ -7,6 +7,7 @@ import 'package:grinder/grinder.dart';
 export 'grind/chocolatey.dart';
 export 'grind/npm.dart';
 export 'grind/github.dart';
+export 'grind/homebrew.dart';
 export 'grind/sanity_check.dart';
 export 'grind/standalone.dart';
 
diff --git a/tool/grind/homebrew.dart b/tool/grind/homebrew.dart
new file mode 100644
index 00000000..52c28c25
--- /dev/null
+++ b/tool/grind/homebrew.dart
@@ -0,0 +1,60 @@
+// Copyright 2019 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.
+
+import 'dart:io';
+import 'dart:convert';
+
+import 'package:crypto/crypto.dart';
+import 'package:grinder/grinder.dart';
+import 'package:path/path.dart' as p;
+
+import 'utils.dart';
+
+/// A regular expression for locating the URL and SHA256 hash of the Sass
+/// archive in the `homebrew-sass` formula.
+final _homebrewRegExp = RegExp(r'\n( *)url "[^"]+"'
+    r'\n *sha256 "[^"]+"');
+
+@Task('Update the Homebrew formula for the current version.')
+updateHomebrew() async {
+  ensureBuild();
+
+  var process = await Process.start("git",
+      ["archive", "--prefix=migrator-$version/", "--format=tar.gz", version]);
+  var digest = await sha256.bind(process.stdout).first;
+  var stderr = await utf8.decodeStream(process.stderr);
+  if ((await process.exitCode) != 0) {
+    fail('git archive "$version" failed:\n$stderr');
+  }
+
+  var repo = await cloneOrPull("https://github.com/sass/homebrew-sass.git");
+
+  var formula = File(p.join(repo, "migrator.rb"));
+  log("updating ${formula.path}");
+  formula.writeAsStringSync(formula.readAsStringSync().replaceFirstMapped(
+      _homebrewRegExp,
+      (match) => '\n${match[1]}url '
+          '"https://github.com/sass/migrator/archive/$version.tar.gz"'
+          '\n${match[1]}sha256 "$digest"'));
+
+  run("git",
+      arguments: [
+        "commit",
+        "--all",
+        "--message",
+        "Update the Sass migrator to $version"
+      ],
+      workingDirectory: repo,
+      runOptions: sassBotEnvironment);
+
+  var username = environment('GITHUB_USER');
+  var password = environment('GITHUB_AUTH');
+  await runAsync("git",
+      arguments: [
+        "push",
+        "https://$username:$password@github.com/sass/homebrew-sass.git",
+        "HEAD:master"
+      ],
+      workingDirectory: repo);
+}

From bfffaec1189b88fc5f592e24f67d3750b1e220d4 Mon Sep 17 00:00:00 2001
From: Natalie Weizenbaum <nweiz@google.com>
Date: Tue, 1 Oct 2019 16:28:40 -0700
Subject: [PATCH 2/2] Bump the pubspec for a beta release

This is testing the release infrastructure more than anything.
---
 CHANGELOG.md | 4 ++++
 pubspec.yaml | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca34e9a2..b65f6744 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.0.0-beta.1
+
+* Too many changes to list.
+
 ## 1.0.0-alpha.5
 
 * **Breaking change**: Remove `lib/runner.dart`. This package is only meant to
diff --git a/pubspec.yaml b/pubspec.yaml
index aabbbc75..6ad631c8 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: sass_migrator
-version: 1.0.0-dev
+version: 1.0.0-beta.1
 description: A tool for running migrations on Sass files
 author: Jennifer Thakar <jathak@google.com>
 homepage: https://github.com/sass/migrator