From 8950f76df2193940d7ceec65b4885e1d0d3ca558 Mon Sep 17 00:00:00 2001
From: Thierry Vignaud <thierry.vignaud@gmail.com>
Date: Mon, 17 Sep 2018 13:31:36 +0200
Subject: document open_helper()/close_helper() signatures

---
 urpm/install.pm | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/urpm/install.pm b/urpm/install.pm
index 8a774076..a79c7d2d 100644
--- a/urpm/install.pm
+++ b/urpm/install.pm
@@ -329,6 +329,20 @@ options:
 
 See L<URPM> for callback parameters
 
+There's 2 callbacks that are specific to C<urpm::install> though:
+
+=over
+
+=item * open_helper($data, $type, $id)
+
+=item * close_helper($db, $data, $type, $id)
+
+=back
+
+Those are called when opening/closing a package file, whether when rpmlib verify or install packages.
+
+The C<close_helper> callback receives an extra $db parameter used in eg: drakx to check whether a package really was installed through a DB query.
+
 =cut
 
 #- side-effects: uses a $urpm->{readmes}
-- 
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