From 4403d771ad72b3de62e6ba5ea8822110253c578e Mon Sep 17 00:00:00 2001
From: Robin Appelman <robin@icewind.nl>
Date: Fri, 12 Oct 2018 17:42:08 +0200
Subject: modular versions api

Allows apps to register version backends for storage types
The existing versions backend is wrapped in a "legacy" backend.

Signed-off-by: Robin Appelman <robin@icewind.nl>
---
 resources/app-info.xsd | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'resources')

diff --git a/resources/app-info.xsd b/resources/app-info.xsd
index fa06752c01d..287ed6b9913 100644
--- a/resources/app-info.xsd
+++ b/resources/app-info.xsd
@@ -63,6 +63,8 @@
                             maxOccurs="1" />
                 <xs:element name="trash" type="trash" minOccurs="0"
                             maxOccurs="1" />
+                <xs:element name="versions" type="versions" minOccurs="0"
+                            maxOccurs="1" />
             </xs:sequence>
         </xs:complexType>
         <xs:unique name="uniqueNameL10n">
@@ -670,6 +672,21 @@
         </xs:simpleContent>
     </xs:complexType>
 
+    <xs:complexType name="versions">
+        <xs:sequence>
+            <xs:element name="backend" type="versions-backend" minOccurs="1"
+                        maxOccurs="unbounded"/>
+        </xs:sequence>
+    </xs:complexType>
+
+    <xs:complexType name="versions-backend">
+        <xs:simpleContent>
+            <xs:extension base="php-class">
+                <xs:attribute name="for" type="php-class" use="required"/>
+            </xs:extension>
+        </xs:simpleContent>
+    </xs:complexType>
+
     <xs:simpleType name="php-class">
         <xs:restriction base="xs:string">
             <xs:pattern
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