grep doc: add --break / --heading / -W to synopsis

[git.git] / Documentation / merge-config.txt

diff --git a/Documentation/merge-config.txt b/Documentation/merge-config.txt
index 8920258baa515b048555be3448edea0403ce05be..861bd6f55352a12db6d1d680508e1d02a8e90d12 100644 (file)
--- a/Documentation/merge-config.txt
+++ b/Documentation/merge-config.txt
@@ -16,6 +16,16 @@ merge.defaultToUpstream::
        to their corresponding remote tracking branches, and the tips of
        these tracking branches are merged.
 
+merge.ff::
+       By default, git does not create an extra merge commit when merging
+       a commit that is a descendant of the current commit. Instead, the
+       tip of the current branch is fast-forwarded. When set to `false`,
+       this variable tells git to create an extra merge commit in such
+       a case (equivalent to giving the `--no-ff` option from the command
+       line). When set to `only`, only such fast-forward merges are
+       allowed (equivalent to giving the `--ff-only` option from the
+       command line).
+
 merge.log::
        In addition to branch names, populate the log message with at
        most the specified number of one-line descriptions from the