git-sh-setup.sh: add variable to use the stuck-long mode

diff --git a/Documentation/config.txt b/Documentation/config.txt
index ed5985319089e287b5ada6353d42b1e81568290c..5f4d7939ed1ec267e7f282624e5bb480e72d7a33 100644 (file)
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -2030,6 +2030,10 @@ 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