send-pr(1) with msmtp support!

Who looked at the source of send-pr(1) will notice
that the most important functions are packed into
variables. Even the functionality for the mail agent

Of course we assume a working ~/.msmtprc. The rest is
easy, you just add

export GNATS_ADDR=FreeBSD-gnats-submit@freebsd.org
export MAIL_AGENT="${MAIL_AGENT:-/usr/local/bin/msmtp -f ${USER}/.msmtprc ${GNATS_ADDR}}"

to your ~/.zshrc or ~/.bashrc depending on your shell.
You also have to regard that not every shell is using
export to assign something to a variable. The first
variable is neccessary so the MAIL_AGENT knows where
to send the mail. Allowing this way would result in an
error by send-pr(1) and you have to rewrite everything
again. Would the variable be local in send-pr(1) we
wouldn?t have that problem!

The parameter -f of smtp in the second variable is
neccessary to ensure that your settings are really
used. But please remember that you also need your
~/.msmtprc if you want to send a pr as root!

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