#! /usr/bin/env bash
set -e

# Check args
if [ $# != 2 ]; then
    echo "Usage: ssh-sign <key_file> <file>"
    exit 1
fi


if [ -f $2 ]; then
    cat $2 | ssh-keygen -Y sign -f $1 -n file -
else
    >&2 echo "File not found: $2"
    exit 1
fi