Add class homebrew to install Homebrew itself.

manifests/compiler.pp

@@ -0,0 +1,20 @@
+class homebrew::compiler {
+  if $has_compiler == 'true' {
+    $package = [ ]
+  }
+  elsif versioncmp($macosx_productversion_major, '10.7') < 0 {
+    warn('Please install the Command Line Tools bundled with XCode manually!')
+    $package = [ ]
+  }
+  else {
+    notice('Installing Command Line Tools.')
+    $package = $homebrew::command_line_tools_package
+    $source  = $homebrew::command_line_tools_source
+  }
+
+  package { $package:
+    ensure   => present,
+    provider => pkgdmg,
+    source   => $source,
+  }
+}

manifests/init.pp

@@ -0,0 +1,7 @@
+class homebrew(
+  $command_line_tools_package = $homebrew::params::command_line_tools_package,
+  $command_line_tools_source  = $homebrew::params::command_line_tools_source,
+  $user                       = $homebrew::params::user
+) inherits homebrew::params {
+  include homebrew::compiler, homebrew::install
+}

manifests/install.pp

@@ -0,0 +1,42 @@
+class homebrew::install {
+  $directories = [ '/usr/local',
+                   '/usr/local/bin',
+                   '/usr/local/etc',
+                   '/usr/local/include',
+                   '/usr/local/lib',
+                   '/usr/local/lib/pkgconfig',
+                   '/usr/local/Library',
+                   '/usr/local/sbin',
+                   '/usr/local/share',
+                   '/usr/local/var',
+                   '/usr/local/var/log',
+                   '/usr/local/share/locale',
+                   '/usr/local/share/man',
+                   '/usr/local/share/man/man1',
+                   '/usr/local/share/man/man2',
+                   '/usr/local/share/man/man3',
+                   '/usr/local/share/man/man4',
+                   '/usr/local/share/man/man5',
+                   '/usr/local/share/man/man6',
+                   '/usr/local/share/man/man7',
+                   '/usr/local/share/man/man8',
+                   '/usr/local/share/info',
+                   '/usr/local/share/doc',
+                   '/usr/local/share/aclocal' ]
+
+  file { $directories:
+    ensure => directory,
+    owner  => $homebrew::user,
+    group  => 'admin',
+    mode   => 0775,
+  }
+
+  exec { 'install-homebrew':
+    cwd       => '/usr/local',
+    command   => "/usr/bin/su ${homebrew::user} -c '/bin/bash -o pipefail -c \"/usr/bin/curl -skSfL https://github.com/mxcl/homebrew/tarball/master | /usr/bin/tar xz -m --strip 1\"'",
+    creates   => '/usr/local/bin/brew',
+    logoutput => on_failure,
+    timeout   => 0,
+    require   => File[$directories],
+  }
+}

manifests/params.pp

@@ -0,0 +1,10 @@
+class homebrew::params {
+  if $operatingsystem != 'Darwin' {
+    err('This Module works on Mac OS X only!')
+    fail('Exit')
+  }
+
+  $command_line_tools_package = 'command_line_tools_for_xcode_os_x_lion_aug_2013.dmg'
+  $command_line_tools_source  = 'http://puppet/command_line_tools_for_xcode_os_x_lion_aug_2013.dmg'
+  $user                       = 'root'
+}