@@ -58,14 +58,16 @@ Starting with Kwant 1.4, we also mention user-visible changes in bugfix

 releases in the whatsnew files.

-Verify that ``AUTHORS.rst`` is up-to-date

+Verify that ``AUTHORS.rst`` and ``.mailmap`` are up-to-date

 -----------------------------------------

-The following command shows the number of commits per author since the last

-annotated tag::

+The following command shows if there are any committers that are missing from

+``AUTHORS.rst``::

-    t=$(git describe --abbrev=0); echo Commits since $t; git shortlog -s $t..

+  git shortlog -s | sed -e "s/^ *[0-9\t ]*//"| xargs -i sh -c 'grep -q "{}" AUTHORS.rst || echo "{}"'

+If it outputs anything, then either add the new contributors to the list, or add

+new identities of old contributors to the ``.mailmap``

 Make a release, but do not publish it yet

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