Use "cd" instead of "Dir.chdir"

* And "mkdir" isntead of "Dir.mkdir"
* And "Dir[]" instead of "Dir.glob"
* Also style fixes and nitpicks

1 files changed, 21 insertions, 18 deletions

diff --git a/Library/Formula/media-info.rb b/Library/Formula/media-info.rb
index ee9bbdeab..d49336d18 100644
--- a/Library/Formula/media-info.rb
+++ b/Library/Formula/media-info.rb
@@ -5,8 +5,8 @@ def libcurl?
 end
 
 class MediaInfo < Formula
-  url 'http://downloads.sourceforge.net/mediainfo/MediaInfo_CLI_0.7.52_GNU_FromSource.tar.bz2'
   homepage 'http://mediainfo.sourceforge.net'
+  url 'http://downloads.sourceforge.net/mediainfo/MediaInfo_CLI_0.7.52_GNU_FromSource.tar.bz2'
   md5 '088e62c8f2992c776a881fd6813f150f'
 
   def options
@@ -16,22 +16,25 @@ class MediaInfo < Formula
   depends_on 'pkg-config' => :build
 
   def install
-    root_dir = Dir.pwd
-
-    Dir.chdir root_dir + '/ZenLib/Project/GNU/Library'
-    system "./configure", "--disable-debug", "--disable-dependency-tracking", "--prefix=#{prefix}"
-    system "make"
-
-    Dir.chdir root_dir + "/MediaInfoLib/Project/GNU/Library"
-    args = ["--disable-debug",
-            "--disable-dependency-tracking",
-            "--prefix=#{prefix}"]
-    args << "--with-libcurl" if libcurl?
-    system "./configure", *args
-    system "make install"
-
-    Dir.chdir root_dir + "/MediaInfo/Project/GNU/CLI"
-    system "./configure", "--disable-debug", "--disable-dependency-tracking", "--prefix=#{prefix}"
-    system "make install"
+    cd 'ZenLib/Project/GNU/Library' do
+      system "./configure", "--disable-debug", "--disable-dependency-tracking",
+                            "--prefix=#{prefix}"
+      system "make"
+    end
+
+    cd "MediaInfoLib/Project/GNU/Library" do
+      args = ["--disable-debug",
+              "--disable-dependency-tracking",
+              "--prefix=#{prefix}"]
+      args << "--with-libcurl" if libcurl?
+      system "./configure", *args
+      system "make install"
+    end
+
+    cd "MediaInfo/Project/GNU/CLI" do
+      system "./configure", "--disable-debug", "--disable-dependency-tracking",
+                            "--prefix=#{prefix}"
+      system "make install"
+    end
   end
 end