view contrib/plan9/9mail @ 44436:09f3e003fc2a

phabricator: avoid a stacktrace when command arguments are missing

Previously, the TypeError wasn't properly converted to a SignatureError when
improper arguments were supplied to the inner function, because the stack depth
is 2 inside the vcrcommand decorator.  The `__name__` and `__doc__` attributes
need to be reassigned to the new wrapper so that the help summary is available.

Differential Revision: https://phab.mercurial-scm.org/D8209

#!/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