#!/bin/bash

# if [ ${git_helpers_sourced:-1} = "1" ]; then
#    readonly git_helpers_sourced=${BASH_SOURCE[0]}
#else
#    return 0
#fi

# Fetch/merge updates from predefined repository using git.
# 
fetch_customer_updates() {
    local func="${FUNCNAME[0]}"
    if ! pull_customer_repository customer_281; then
        return 1 
    fi
    return 0
}

# Check if the fetched/merged files have the correct md5 and are
# valid for the PSA.
#
check_new_customer_files() {
    local func="${FUNCNAME[0]}"
    return 0
}

# In case the new checked-out files are not correct, revert the git
# repository to its previous state.
#
revert_customer_repository() {
    local func="${FUNCNAME[0]}"
    return 0
}

# Backup before the update-process. 
#
backup_previous_version() {
    local func="${FUNCNAME[0]}"
    return 0
}

# Try to install new opkg-packages (in case the are some
# in the new git-checkout).
#
do_update_dry_run() {
    local func="${FUNCNAME[0]}"
    return 0
}

# Install the new packages using opkg. 
#
do_update() {
    local func="${FUNCNAME[0]}"
    return 0
}

# In case there was some error, re-install the previous package(s)
# and use the backup to restore any conf/ini-files.
#
fallback_to_previous_version() {
    local func="${FUNCNAME[0]}"
    return 0;
}

# If all went well, then execute all necessary cleanup steps.
#
cleanup_previous_version() {
    local func="${FUNCNAME[0]}"
    return 0
}