log: add log.showSignature configuration variable

diff --git a/Documentation/git-log.txt b/Documentation/git-log.txt
index dec379b3e2bd58c74dba61a2a5207a38e702278c..3995324024d49b2f79c3f53486d1c420f795e250 100644 (file)
--- a/Documentation/git-log.txt
+++ b/Documentation/git-log.txt
@@ -198,6 +198,10 @@ log.showRoot::
        `git log -p` output would be shown without a diff attached.
        The default is `true`.
 
+log.showSignature::
+       If `true`, `git log` and related commands will act as if the
+       `--show-signature` option was passed to them.
+
 mailmap.*::
        See linkgit:git-shortlog[1].