Puppet manifest to install my linux dev environment

dev.pp

user { "gildas":
    ensure     => "present",
    managehome => true,
    before     => Exec["install_dotfiles"]
}

package { "git":
    ensure => installed,
    before => Exec["install_dotfiles"]
}

package { "gnome-shell":
    ensure => installed,
    before => Exec["install_dotfiles"]
}

package { "vim-gnome":
    ensure => installed,
    before => Exec["install_dotfiles"]
}

package { "zsh":
    ensure => installed,
    before => Exec["install_dotfiles"]
}

package { "tmux":
    ensure => installed,
    before => Exec["install_dotfiles"]
}

package { "chromium-browser":
    ensure => installed,
    before => Exec["install_dotfiles"]
}

package { "python-pip":
    ensure => installed,
    before => Exec["install_dotfiles"]
}

package { "python-dev":
    ensure => installed,
    before => Exec["install_dotfiles"]
}

package { "build-essential":
    ensure => installed,
    before => Exec["install_dotfiles"]
}

package { "curl":
    ensure => installed,
    before => Exec["install_dotfiles"]
}

package { "php5":
    ensure => installed,
    before => Exec["install_dotfiles"]
}

package { "ruby1.9.3":
    ensure => installed,
    before => Exec["install_dotfiles"]
}

package { "libaugeas-ruby1.9.1":
    ensure  => installed,
    require => Package["ruby1.9.3"],
    before  => Exec["install_dotfiles"]
}

package { "postgresql":
    ensure => installed,
    before => Exec["install_dotfiles"]
}

package { "mysql-server":
    ensure => installed,
    before => Exec["install_dotfiles"]
}

package { "guard":
    ensure   => installed,
    provider => "gem",
    before   => Exec["install_dotfiles"]
}

package { "guard-ctags-composer":
    ensure   => installed,
    provider => "gem",
    require  => Package["guard"],
    before   => Exec["install_dotfiles"]
}

package { "teamocil":
    ensure   => installed,
    provider => "gem",
    require  => Package["tmux"],
    before   => Exec["install_dotfiles"]
}

exec { "install_dotfiles":
    cwd     => "/home/gildas",
    command => "/usr/bin/git clone git@github.com:gquemener/dotfiles.git bin/dotfiles",
    creates => "/home/gildas/bin/dotfiles/.git",
    user    => "gildas"
}

exec { "/usr/bin/fc-cache -vf":
    require => File["/home/gildas/.fonts"]
}

file {"/home/gildas/.bashrc":
      ensure  => link,
      target  => "/home/gildas/bin/dotfiles/bashrc",
      require => Exec["install_dotfiles"]
}

file {"/home/gildas/.zshrc":
      ensure => link,
      target => "/home/gildas/bin/dotfiles/zshrc",
      require => Exec["install_dotfiles"]
}

file {"/home/gildas/.bash_aliases":
      ensure => link,
      target => "/home/gildas/bin/dotfiles/bash_aliases",
      require => Exec["install_dotfiles"]
}

file {"/home/gildas/.vimrc":
      ensure => link,
      target => "/home/gildas/bin/dotfiles/vimrc",
      require => Exec["install_dotfiles"]
}

file {"/home/gildas/.vim":
      ensure => link,
      target => "/home/gildas/bin/dotfiles/vim",
      require => Exec["install_dotfiles"]
}

file {"/home/gildas/.fonts":
      ensure => link,
      target => "/home/gildas/bin/dotfiles/fonts",
      require => Exec["install_dotfiles"]
}

file {"/home/gildas/.gitconfig":
      ensure => link,
      target => "/home/gildas/bin/dotfiles/gitconfig",
      require => Exec["install_dotfiles"]
}

file {"/home/gildas/.gitignore_global":
      ensure => link,
      target => "/home/gildas/bin/dotfiles/gitignore_global",
      require => Exec["install_dotfiles"]
}

file {"/home/gildas/.psqlrc":
      ensure => link,
      target => "/home/gildas/bin/dotfiles/psqlrc",
      require => Exec["install_dotfiles"]
}

file {"/home/gildas/.Xdefaults":
      ensure => link,
      target => "/home/gildas/bin/dotfiles/Xdefaults",
      require => Exec["install_dotfiles"]
}

file {"/home/gildas/.tmux.conf":
      ensure => link,
      target => "/home/gildas/bin/dotfiles/tmux.conf",
      require => Exec["install_dotfiles"]
}

file {"/home/gildas/.teamocil":
      ensure => link,
      target => "/home/gildas/bin/dotfiles/teamocil",
      require => Exec["install_dotfiles"]
}

file {"/home/gildas/.config/powerline":
      ensure => link,
      target => "/home/gildas/bin/dotfiles/config/powerline",
      require => Exec["install_dotfiles"]
}

file {"/usr/share/git-core/templates/hooks/post-merge":
      ensure => link,
      target => "/home/gildas/bin/dotfiles/git-core/templates/hooks/post-merge",
      require => Exec["install_dotfiles"]
}

augeas {"cli-php-conf":
    context => "/files/etc/php5/cli/php.ini",
    changes => [
        "set PHP/short_open_tag Off",
        "set Date/date.timezone Europe/Paris"
    ],
    require => Package["php5", "libaugeas-ruby1.9.1"]
}

file {["/home/gildas/.local", "/home/gildas/.local/bin"]:
    ensure  => directory,
    recurse => true,
    owner   => "gildas",
    group   => "gildas",
    before  => Exec["composer install"]
}

exec {"composer install":
    command => "/usr/bin/curl -s https://getcomposer.org/installer | /usr/bin/php -- --install-dir=/home/gildas/.local/bin",
    creates => "/home/gildas/.local/bin/composer.phar",
}

exec {"composer update":
    require => Exec["composer install"],
    command => "/home/gildas/.local/bin/composer.phar self-update"
}