magit 1.4.1

Closes Homebrew/homebrew#39266.

Signed-off-by: Xu Cheng <xucheng@me.com>

Formula/magit.rb

@@ -1,11 +1,7 @@
-require 'formula'
-
 class Magit < Formula
-  homepage 'https://github.com/magit/magit'
-  url 'https://github.com/magit/magit/archive/1.2.1.tar.gz'
-  sha1 '3faeaab35934951a746e3be834d0457ca99bdc01'
-
-  head 'https://github.com/magit/magit.git'
+  homepage "https://github.com/magit/magit"
+  url "https://github.com/magit/magit/releases/download/1.4.1/magit-1.4.1.tar.gz"
+  sha256 "e7b18d2acb7b79a622017726d7b2e48fcb893f3055ecd43b3672175599f97b2d"
 
   bottle do
     cellar :any
@@ -14,7 +10,43 @@ class Magit < Formula
     sha1 "f13c6aab177ce0c9e9d90d4197f7719d92925b93" => :mountain_lion
   end
 
+  # see https://github.com/magit/magit/tree/master#its-magit--a-git-porcelain-inside-emacs
+  # will require 24.4 upon release of magit 2.1.0
+  depends_on :emacs => "23.2"
+
+  # remove at 2.1.0
+  resource "git-commit-mode" do
+    url "https://github.com/magit/git-modes/raw/3423997a89f63eb4c8a4ce495928bc5951767932/git-commit-mode.el"
+    sha256 "ed33f324e46ab81232bed5c38c4f8f794bd689f58aa49e98e386b628182b32e0"
+  end
+
+  # remove at 2.1.0
+  resource "git-rebase-mode" do
+    url "https://github.com/magit/git-modes/raw/3423997a89f63eb4c8a4ce495928bc5951767932/git-rebase-mode.el"
+    sha256 "21670e2dcabadc18f2c2caff9b97d7affe1697a64d522a40fce6d8f1f5cd5ea5"
+  end
+
   def install
-    system "make", "install", "DESTDIR=#{prefix}", "PREFIX="
+    buildpath.install resource("git-commit-mode"),
+                      resource("git-rebase-mode")
+    system "make", "install", "PREFIX=#{prefix}"
+    (share/"emacs/site-lisp").install "git-commit-mode.el",
+                                      "git-rebase-mode.el"
+  end
+
+  def caveats; <<-EOS.undent
+    Add the following to your Emacs init file to allow loading of packages installed by Homebrew:
+
+    (add-to-list 'load-path "#{HOMEBREW_PREFIX}/share/emacs/site-lisp")
+  EOS
+  end
+
+  test do
+    (testpath/"test.el").write <<-EOS.undent
+      (add-to-list 'load-path "#{share}/emacs/site-lisp")
+      (require 'magit)
+      (print (minibuffer-prompt-width))
+    EOS
+    assert_equal "0", shell_output("emacs -batch -l #{testpath}/test.el").strip
   end
 end