diff --git a/UPGRADE.rst b/UPGRADE.rst
index 13ff930..2143b56 100644
--- a/UPGRADE.rst
+++ b/UPGRADE.rst
@@ -12,28 +12,14 @@ From v0.2.0 to unreleased
 
 All inventory variables have been renamed so you might need to update your
 inventory.
-This oneliner can come in handy to do this:
-
-.. code:: shell
-
-   git ls-files -z | xargs --null -I '{}' find '{}' -type f -print0 \
-     | xargs --null sed --in-place --regexp-extended '
-         s/owncloud__?run_occ_global_commands/owncloud__occ_cmd_list/g;
-         s/owncloud__?run_occ_group_commands/owncloud__group_occ_cmd_list/g;
-         s/owncloud__?run_occ_host_commands/owncloud__host_occ_cmd_list/g;
-         s/owncloud__?packages_recommended/owncloud__packages_recommended/g;
-         s/owncloud__?packages_optional/owncloud__optional_packages/g;
-         s/owncloud__?packages_group/owncloud__group_packages/g;
-         s/owncloud__?packages_host/owncloud__host_packages/g;
-         s/owncloud__?config_group/owncloud__group_config/g;
-         s/owncloud__?config_host/owncloud__host_config/g;
-         s/owncloud__?apps_config_group/owncloud__group_apps_config/g;
-         s/owncloud__?apps_config_host/owncloud__host_apps_config/g;
-         s/owncloud__?config_role_required/owncloud__role_config/g;
-         s/owncloud__?config_role_optional/owncloud__role_recommended_config/g;
-         s/owncloud__?ldap_enable([^d])/owncloud__ldap_enabled\1/g;
-         s/\<([^.]owncloud)_([^_])/\1__\2/g;
-       '
+This script can come in handy to do this:
+
+.. literalinclude:: scripts/upgrade-from-v0.2.X-to-v0.3.X
+   :language: shell
+
+The script is bundled with this role under
+:file:`docs/scripts/upgrade-from-v0.2.X-to-v0.3.X` and can be invoked from
+their.
 
 From v0.1.0 to v0.2.0
 ---------------------
diff --git a/docs/scripts/upgrade-from-v0.2.X-to-v0.3.X b/docs/scripts/upgrade-from-v0.2.X-to-v0.3.X
new file mode 100755
index 0000000..0cafdb2
--- /dev/null
+++ b/docs/scripts/upgrade-from-v0.2.X-to-v0.3.X
@@ -0,0 +1,22 @@
+#!/bin/bash
+## Upgrade inventory variables for migration from debops.owncloud v0.2.X to v0.3.X.
+## The script is idempotent.
+
+git ls-files -z | xargs --null -I '{}' find '{}' -type f -print0 \
+ | xargs --null sed --in-place --regexp-extended '
+     s/owncloud__?run_occ_global_commands/owncloud__occ_cmd_list/g;
+     s/owncloud__?run_occ_group_commands/owncloud__group_occ_cmd_list/g;
+     s/owncloud__?run_occ_host_commands/owncloud__host_occ_cmd_list/g;
+     s/owncloud__?packages_recommended/owncloud__packages_recommended/g;
+     s/owncloud__?packages_optional/owncloud__optional_packages/g;
+     s/owncloud__?packages_group/owncloud__group_packages/g;
+     s/owncloud__?packages_host/owncloud__host_packages/g;
+     s/owncloud__?config_group/owncloud__group_config/g;
+     s/owncloud__?config_host/owncloud__host_config/g;
+     s/owncloud__?apps_config_group/owncloud__group_apps_config/g;
+     s/owncloud__?apps_config_host/owncloud__host_apps_config/g;
+     s/owncloud__?config_role_required/owncloud__role_config/g;
+     s/owncloud__?config_role_optional/owncloud__role_recommended_config/g;
+     s/owncloud__?ldap_enable([^d])/owncloud__ldap_enabled\1/g;
+     s/\<([^.]owncloud)_([^_])/\1__\2/g;
+   '