fetch: add --update-shallow to accept refs that update .git/shallow

diff --git a/Documentation/fetch-options.txt b/Documentation/fetch-options.txt
index a83d2b4778a016e8d8f6ead29d9122a7eff49fdb..54043e3633af37585e87e80077d4f31a27731d60 100644 (file)
--- a/Documentation/fetch-options.txt
+++ b/Documentation/fetch-options.txt
@@ -21,6 +21,12 @@
 If the source repository is shallow, fetch as much as possible so that
 the current repository has the same history as the source repository.
 
+--update-shallow::
+       By default when fetching from a shallow repository,
+       `git fetch` refuses refs that require updating
+       .git/shallow. This option updates .git/shallow and accept such
+       refs.
+
 ifndef::git-pull[]
 --dry-run::
        Show what would be done, without making any changes.