Support for offline provisioning of apt-packages by caching /var/lib/apt/lists [GH-84]

CHANGELOG.md

@@ -20,6 +20,7 @@ BACKWARDS INCOMPATIBILITY:
 
 FEATURES:
 
+  - Support for offline provisioning of apt-packages by caching `/var/lib/apt/lists` [GH-84]
   - Support for specifying custom cache bucket synced folder opts
   - Support to force disabe the plugin [GH-72]
   - Automatically disable the plugin for cloud providers [GH-45]

lib/vagrant-cachier/bucket.rb

@@ -40,6 +40,7 @@ require_relative "bucket/pacman"
 require_relative "bucket/yum"
 require_relative "bucket/rvm"
 require_relative "bucket/apt_cacher"
+require_relative "bucket/apt_lists"
 require_relative "bucket/composer"
 require_relative "bucket/npm"
 require_relative "bucket/zypper"

lib/vagrant-cachier/bucket/apt_lists.rb

@@ -0,0 +1,33 @@
+module VagrantPlugins
+  module Cachier
+    class Bucket
+      class AptLists < Bucket
+        def self.capability
+          :apt_lists_dir
+        end
+
+        def install
+          machine = @env[:machine]
+          guest   = machine.guest
+
+          if guest.capability?(:apt_lists_dir)
+            guest_path = guest.capability(:apt_lists_dir)
+
+            @env[:cache_dirs] << guest_path
+
+            machine.communicate.tap do |comm|
+              comm.execute("mkdir -p /tmp/vagrant-cache/#{@name}/partial")
+              unless comm.test("test -L #{guest_path}")
+                comm.sudo("rm -rf #{guest_path}")
+                comm.sudo("mkdir -p `dirname #{guest_path}`")
+                comm.sudo("ln -s /tmp/vagrant-cache/#{@name} #{guest_path}")
+              end
+            end
+          else
+            @env[:ui].info I18n.t('vagrant_cachier.skipping_bucket', bucket: 'apt-lists')
+          end
+        end
+      end
+    end
+  end
+end

lib/vagrant-cachier/cap/debian/apt_lists_dir.rb

@@ -0,0 +1,13 @@
+module VagrantPlugins
+  module Cachier
+    module Cap
+      module Debian
+        module AptListsDir
+          def self.apt_lists_dir(machine)
+            '/var/lib/apt/lists'
+          end
+        end
+      end
+    end
+  end
+end

lib/vagrant-cachier/capabilities.rb

@@ -36,6 +36,11 @@ module VagrantPlugins
         Cap::Debian::AptCacherDir
       end
 
+      guest_capability 'debian', 'apt_lists_dir' do
+        require_relative 'cap/debian/apt_lists_dir'
+        Cap::Debian::AptListsDir
+      end
+
       guest_capability 'redhat', 'yum_cache_dir' do
         require_relative 'cap/redhat/yum_cache_dir'
         Cap::RedHat::YumCacheDir