add: make warn_pathless_add() a no-op after first call

diff --git a/Documentation/pretty-options.txt b/Documentation/pretty-options.txt
index 2a3dc8664f16957a05bc4d81824d7995517ac89c..5e499421a43526e133c7bd3be134da803b35c00d 100644 (file)
--- a/Documentation/pretty-options.txt
+++ b/Documentation/pretty-options.txt
@@ -66,3 +66,7 @@ being displayed. Examples: "--notes=foo" will show only notes from
 --[no-]standard-notes::
        These options are deprecated. Use the above --notes/--no-notes
        options instead.
+
+--show-signature::
+       Check the validity of a signed commit object by passing the signature
+       to `gpg --verify` and show the output.