1 files changed, 80 insertions, 0 deletions
diff --git a/modules/pacman/manifests/hook.pp b/modules/pacman/manifests/hook.pp
new file mode 100644
index 0000000..f8478e6
--- /dev/null
+++ b/modules/pacman/manifests/hook.pp
@@ -0,0 +1,80 @@
+
+type Pacman::Operation = Enum['Install', 'Upgrade', 'Remove']
+# type Variant[Type, Array[Type, 1]] = Variant[Type, Array[Type, 1]]
+
+type Pacman::Trigger = Struct[{
+  type      => Enum['Path', 'Package'],
+  operation => Variant[Pacman::Operation, Array[Pacman::Operation, 1]],
+  target    => Variant[String, Array[String, 1]],
+}]
+
+define pacman::hook (
+  Integer $priority = 50,
+  Optional[String] $description = undef,
+  Enum['PreTransation', 'PostTransaction'] $when,
+  String $exec,
+  Optional[Variant[String, Array[String, 1]]] $depends = undef,
+  Boolean $abortOnFail = false, # only for PreTransation
+  Boolean $needsTargets = false,
+  Variant[Pacman::Trigger, Array[Pacman::Trigger, 1]] $trigger,
+) {
+
+  require ::pacman
+
+  if ($abortOnFail and $when != 'PreTransation') {
+    fail('abortOnFail only valid when "when" => "PreTransation"')
+  }
+
+  # Normalize triggers to list
+  $triggers = ($trigger ? {
+    Array => $trigger,
+    default  => [$trigger],
+  }).map |$trigger| {
+    # Normalize contents of each trigger, making
+    {
+      type      => $trigger['type'],
+      operation => $trigger['operation'] ? {
+        Array   => $trigger['operation'],
+        default => [$trigger['operation']],
+      },
+      target => $trigger['target'] ? {
+        Array   => $trigger['target'],
+        default => [$trigger['target']],
+      }
+    }
+  }
+
+  $triggers.each |$trigger| {
+    if $trigger['type'] == 'Path' {
+      $trigger['target'].each |$target| {
+        if $target[0] == '/' {
+          fail("Target paths shouldn't start with '/' ${target} in trigger ${name}")
+        }
+      }
+    }
+  }
+
+  $str = epp('pacman/hook.epp', {
+    description => $description,
+    depends => $depends ? {
+      Optional => [],
+      Array    => $depends,
+      default  => [$depends],
+    },
+    triggers => $triggers,
+    exec         => $exec,
+    when         => $when,
+    abortOnFail  => $abortOnFail,
+    needsTargets => $needsTargets,
+  })
+
+  $chksum = $str.md5()
+
+  file { $chksum:
+    ensure         => 'present',
+    content        => $str,
+    path           => "${pacman::hooks_path}/${priority}-${name}.hook",
+    checksum       => 'md5',
+    checksum_value => $chksum,
+  }
+}