#! /bin/sh
#!buildShellBin prepend-path=openssh
#
# usage: with-ssh [--add[=KEY] ...] [COMMAND [ARGS ...]]
#

set -efu

case ${WITH_SSH_STAGE-1} in
  1)
    export WITH_SSH_STAGE=2
    exec ssh-agent "$0" "$@"
    ;;
  2)
    if test $# = 0; then
      set -- "$SHELL"
    fi
    case "$1" in
      --add)
        shift
        ssh-add
        exec "$0"
        ;;
      --add=*)
        key=$1; shift
        key=${key#--add=}
        ssh-add "$key"
        exec "$0" "$@"
        ;;
      *)
        exec "$@"
    esac
    ;;
  *)
    echo "with-ssh: error: bad stage: $WITH_SSH_STAGE" >&2
    exit 1
esac