#!/bin/sh
# Test stand-in for ssh through dumbpipe: the last argument is the remote command (root@guest: none).
#   no command: a shell reading stdin ("$ " prompts, echoes each line, exit ends it)
#   socialweb-guest-agent relay '<unix path>': relay.mjs, stdin/stdout <-> that socket (the shell parses the quoting)
#   fail: ssh's own failure (255); anything else: two paced stdout lines, one stderr line, exit 3
for a; do last=$a; done
case "$last" in
root@guest)
	printf '$ '
	while read -r line; do
		[ "$line" = exit ] && exit 0
		printf '%s\n$ ' "$line"
	done
	exit 0 ;;
"socialweb-guest-agent relay "*) eval "set -- $last"; exec node "$(dirname "$0")/relay.mjs" "$3" ;;
fail) printf 'Host key verification failed.\n' >&2; exit 255 ;;
*) printf 'line 1\n'; sleep 0.2; printf 'line 2\n'; sleep 0.2; printf 'oops\n' >&2; exit 3 ;;
esac