From 884a387ecae6ce0aa3739771eecfcc0cd376cf61 Mon Sep 17 00:00:00 2001
From: Josh Triplett <josh@joshtriplett.org>
Date: Thu, 12 Jun 2014 14:57:29 -0700
Subject: Add extend-project tag to support adding groups to an existing
 project

Currently, if a local manifest wants to add groups to an existing
project, it must use remove-project and then re-add the project with
the new groups.  This makes the local manifest more fragile, requiring
updates to the local manifest if the original manifest changes.

Add a new extend-project tag, which supports adding groups to an
existing project.

Change-Id: Ib4d1352efd722a65dd263d02644b9ea5ab6ed400
---
 docs/manifest-format.txt | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'docs')

diff --git a/docs/manifest-format.txt b/docs/manifest-format.txt
index f187bfaf..65cd70bc 100644
--- a/docs/manifest-format.txt
+++ b/docs/manifest-format.txt
@@ -26,6 +26,7 @@ following DTD:
                         manifest-server?,
                         remove-project*,
                         project*,
+                        extend-project*,
                         repo-hooks?)>
 
     <!ELEMENT notice (#PCDATA)>
@@ -67,6 +68,11 @@ following DTD:
     <!ATTLIST annotation value CDATA #REQUIRED>
     <!ATTLIST annotation keep  CDATA "true">
 
+    <!ELEMENT extend-project>
+    <!ATTLIST extend-project name CDATA #REQUIRED>
+    <!ATTLIST extend-project path CDATA #IMPLIED>
+    <!ATTLIST extend-project groups CDATA #IMPLIED>
+
     <!ELEMENT remove-project (EMPTY)>
     <!ATTLIST remove-project name  CDATA #REQUIRED>
 
@@ -252,6 +258,22 @@ rather than the `name` attribute.  This attribute only applies to the
 local mirrors syncing, it will be ignored when syncing the projects in a
 client working directory.
 
+Element extend-project
+----------------------
+
+Modify the attributes of the named project.
+
+This element is mostly useful in a local manifest file, to modify the
+attributes of an existing project without completely replacing the
+existing project definition.  This makes the local manifest more robust
+against changes to the original manifest.
+
+Attribute `path`: If specified, limit the change to projects checked out
+at the specified path, rather than all projects with the given name.
+
+Attribute `groups`: List of additional groups to which this project
+belongs.  Same syntax as the corresponding element of `project`.
+
 Element annotation
 ------------------
 
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