#!/bin/sh

# This file is maintained at http://git.mdcc.cx/caspar

#
# csp_sucp - mix scp with sudo
#
# usage:
#  csp_sucp [user@]host dir file
#
# examples:
#  csp_sucp rms@bilbo /etc file
#  csp_sucp monty-python trailer.txt commit
#
# warning:
#  csp_sucp won't prevent the given password from being echoed!
#

if test -z "$3"
then
    echo "usage: csp_sucp [user@]host dir file [file ...]"
    exit 1
fi

# command line argument overrules environment variable
test -n "$CSP_SUCP_USER" && opt_u="-u $CSP_SUCP_USER"

# first make sure our sudo-timestamp is fresh
ssh -t $1 sudo -v
# now run sudo: we won't be prompted for a password; and
# can use stdin for our data
test -n "$CSP_DEBUG" && echo $1 $opt_u $2 $3

#exec ssh $1 "sudo $opt_u sh -c \"cat - > $2/$3\"" < $3

host=$1; shift
dir=$1; shift
# files now in $@

test -n "$CSP_DEBUG" && echo exec tar c "$@" \| ssh -T $host sudo -n $opt_u tar xC $dir

exec tar c "$@" | ssh -T $host sudo -n $opt_u tar xC $dir