README: Suggest signoffs for merge commits

Git's 'pull' doesn't currently support --signoff, although 'merge'
does since 14d01b4f (merge: add a --signoff flag, 2017-07-04,
v2.15.0-rc0 [1]).

[1]: https://github.com/git/git/commit/14d01b4f07a08ee55bffc74f2d6e1b0a4e8ce900

Signed-off-by: W. Trevor King <wking@tremily.us>

diff --git a/README b/README
index 298afcc4e21cc949dbcb35d458695813a4138a67..be267126650dcc890bbae132481c335d4f49aa0f 100644 (file)
--- a/README
+++ b/README
@@ -13,6 +13,10 @@ project-agnostic manner.  To incorporate into your own project,
 
      $ git pull --allow-unrelated-histories git://tremily.us/signed-off-by.git contributing-github
 
+   If you like signing merges, you may want to run:
+
+     $ git commit --amend --signoff --no-edit
+
 2. Tell your developers by pointing to
    `Documentation/SubmittingPatches` from your `README` or
    `CONTRIBUTING` documentation and sending a message to your mailing