1 files changed, 19 insertions, 2 deletions

diff --git a/manifest_xml.py b/manifest_xml.py
index 9603906f..14b03a30 100644
--- a/manifest_xml.py
+++ b/manifest_xml.py
@@ -1233,7 +1233,12 @@ https://gerrit.googlesource.com/git-repo/+/HEAD/docs/manifest-format.md
                     )
 
     def _ParseManifestXml(
-        self, path, include_root, parent_groups="", restrict_includes=True
+        self,
+        path,
+        include_root,
+        parent_groups="",
+        restrict_includes=True,
+        parent_node=None,
     ):
         """Parse a manifest XML and return the computed nodes.
 
@@ -1243,6 +1248,8 @@ https://gerrit.googlesource.com/git-repo/+/HEAD/docs/manifest-format.md
             parent_groups: The groups to apply to this projects.
             restrict_includes: Whether to constrain the "name" attribute of
                 includes.
+            parent_node: The parent include node, to apply attribute to this
+                projects.
 
         Returns:
             List of XML nodes.
@@ -1288,7 +1295,9 @@ https://gerrit.googlesource.com/git-repo/+/HEAD/docs/manifest-format.md
                     )
                 try:
                     nodes.extend(
-                        self._ParseManifestXml(fp, include_root, include_groups)
+                        self._ParseManifestXml(
+                            fp, include_root, include_groups, parent_node=node
+                        )
                     )
                 # should isolate this to the exact exception, but that's
                 # tricky.  actual parsing implementation may vary.
@@ -1311,6 +1320,14 @@ https://gerrit.googlesource.com/git-repo/+/HEAD/docs/manifest-format.md
                             node.getAttribute("groups") + "," + nodeGroups
                         )
                     node.setAttribute("groups", nodeGroups)
+                if (
+                    parent_node
+                    and node.nodeName == "project"
+                    and not node.hasAttribute("revision")
+                ):
+                    node.setAttribute(
+                        "revision", parent_node.getAttribute("revision")
+                    )
                 nodes.append(node)
         return nodes