contrib/plan9/9mail

transaction: make releasefn a private attribute

This is a handle on a callable that is called when the journal
is closed. The value is specified at __init__ time. It doesn't
need to be exposed on the public interface. So mark it as private.

Differential Revision: https://phab.mercurial-scm.org/D4626

#!/bin/rc
# 9mail - Mercurial email wrapper for upas/marshal

fn usage {
	echo >[1=2] usage: mercurial/9mail -f from to [cc]
	exit usage
}

from=()
cc=()
to=()

switch($1){
case -f
	from=$2
case *
	usage
}

to=($3)
if(~ $#* 4)
	cc=(-C $4)

upasname=$from
upas/marshal $cc $to