#!/bin/sh

# Sync config files from S3 bucket to app config dir

set -e

# Env vars
# CONFIG_S3_BUCKET: bucket name
# CONFIG_S3_PREFIX: path prefix in bucket, optional, should end with a trailing slash
# DESTDIR, prefix for target files, optional

# Config vars
CONFIG_DIR="${CONFIG_DIR:-"<%= configuration_dir %>"}"
DEPLOY_USER="${DEPLOY_USER:-"<%= deploy_user %>"}"
APP_GROUP="${APP_USER:-"<%= app_group %>"}"

# Make sure files are created with restrictive file permissions
umask 077

echo "Starting $0"

aws s3 sync --exact-timestamps --no-progress "s3://${CONFIG_S3_BUCKET}/${CONFIG_S3_PREFIX}" "${DESTDIR}${CONFIG_DIR}/"

chown -R "$DEPLOY_USER:$APP_GROUP" "${DESTDIR}$CONFIG_DIR"
find -H "${DESTDIR}$CONFIG_DIR" -type f -exec chmod 640 {} \;
find -H "${DESTDIR}$CONFIG_DIR" -type d -exec chmod 750 {} \;