#!/usr/bin/env bash

#Based off of https://github.com/andyneff/gpg_agent/blob/master/preload.bsh

set -eu

CUR_DIR=$(dirname ${BASH_SOURCE[0]})
IMAGE_NAME=andyneff/gpg_agent
CONTAINER_NAME=git-lfs-gpg

: ${SUDO=`if ( [ ! -w /var/run/docker.sock ] && id -nG | grep -qwv docker && [ "${DOCKER_HOST:+dh}" != "dh" ] ) && command -v sudo > /dev/null 2>&1; then echo sudo; fi`}

if [[ $# > 0 ]] && [ "$1" == "-r" ]; then
  ${CUR_DIR}/gpg-agent_stop.bsh
  shift
fi

${CUR_DIR}/gpg-agent_start.bsh

for (( x=0; x<10; x++ )); do
  if $SUDO docker exec -it ${CONTAINER_NAME} bash -c \
     "gpg-connect-agent --homedir="'${GNUPGHOME}'" /bye"; then
    break
  else
    sleep 1
  fi
done

if ls ${CUR_DIR}/*.key >/dev/null 2>&1; then
  for file in ${CUR_DIR}/*.key; do
    if [ -s $file ]; then
      $SUDO docker cp $file ${CONTAINER_NAME}:/tmp/
    fi
  done
fi

$SUDO docker exec -it ${CONTAINER_NAME} script /dev/null -q -c ' \
  for key in $(ls /tmp/*.key); do \
    if [ -s $key ]; then \
      gpg --import $key; \
      gpg2 -o /dev/null -s /dev/null; \
      rm -f /tmp/gpg-agent/*.gpg; \
    fi \
  done'