rust-dirstatemap: inline the last `get_or_insert` call
The `get_or_insert` method was dangerous because it did not take the
`DirstateMap` counters into account. This particular instance does not need
to update the counters.
Differential Revision: https://phab.mercurial-scm.org/D12527
#!/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