Added modules

modules/apt/manifests/force.pp

@@ -0,0 +1,42 @@
+# force.pp
+# force a package from a specific release
+
+define apt::force(
+  $release = false,
+  $version = false,
+  $timeout = 300
+) {
+
+  $provider = $apt::params::provider
+
+  $version_string = $version ? {
+    false   => undef,
+    default => "=${version}",
+  }
+
+  $release_string = $release ? {
+    false   => undef,
+    default => "-t ${release}",
+  }
+
+  if $version == false {
+    if $release == false {
+      $install_check = "/usr/bin/dpkg -s ${name} | grep -q 'Status: install'"
+    } else {
+      # If installed version and candidate version differ, this check returns 1 (false).
+      $install_check = "/usr/bin/test \$(/usr/bin/apt-cache policy -t ${release} ${name} | /bin/grep -E 'Installed|Candidate' | /usr/bin/uniq -s 14 | /usr/bin/wc -l) -eq 1"
+    }
+  } else {
+    if $release == false {
+      $install_check = "/usr/bin/dpkg -s ${name} | grep -q 'Version: ${version}'"
+    } else {
+      $install_check = "/usr/bin/apt-cache policy -t ${release} ${name} | /bin/grep -q 'Installed: ${version}'"
+    }
+  }
+
+  exec { "${provider} -y ${release_string} install ${name}${version_string}":
+    unless    => $install_check,
+    logoutput => 'on_failure',
+    timeout   => $timeout,
+  }
+}