gpg: can't query passphrase in batch mode (after upgrade of Mutt)

[Kevin J. McCarthy]

On Tue, Jun 18, 2019 at 12:31:34AM +0700, Victor Sudakov wrote:
>I swear I did not modify the vanilla /usr/local/share/examples/mutt/gpg.rc
>(and frankly did not even look inside this file for many years).
>
>How can I fix this new trouble with signing?

If you are using a pre-2.1 version of gpg and aren't using an agent, try
  unset pgp_use_gpg_agent

1.12 switched this on by default, due to the increasing prevalent use of 
gpg 2.1.

-- 
Kevin J. McCarthy
GPG Fingerprint: 8975 A9B3 3AA3 7910 385C  5308 ADEF 7684 8031 6BDA
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