git config trailer.sign.ifExists "addIfDifferent" &&
git config trailer.sign.command "echo \"\$GIT_COMMITTER_NAME <\$GIT_COMMITTER_EMAIL>\"" &&
cat complex_message_body >expected &&
git config trailer.sign.ifExists "addIfDifferent" &&
git config trailer.sign.command "echo \"\$GIT_COMMITTER_NAME <\$GIT_COMMITTER_EMAIL>\"" &&
cat complex_message_body >expected &&