smart-http: support shallow fetch/clone

diff --git a/Documentation/config.txt b/Documentation/config.txt
index ab26963d61877a2f8e03a3532ace5b31bc68738e..1a0bd0d4edd1eb9863e3d49fabe69f62be26cf42 100644 (file)
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -2026,6 +2026,10 @@ receive.updateserverinfo::
        If set to true, git-receive-pack will run git-update-server-info
        after receiving data from git-push and updating refs.
 
+receive.shallowupdate::
+       If set to true, .git/shallow can be updated when new refs
+       require new shallow roots. Otherwise those refs are rejected.
+
 remote.pushdefault::
        The remote to push to by default.  Overrides
        `branch.<name>.remote` for all branches, and is overridden by