archivist_ynh/scripts/upgrade

#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================

app=$YNH_APP_INSTANCE_NAME

final_path=$(ynh_app_setting_get $app final_path)
frequency="$(ynh_app_setting_get $app frequency)"

#=================================================
# CHECK VERSION
#=================================================

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================

# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
	# restore it if the upgrade fails
	ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	# Download, check integrity, uncompress and patch the source from app.src
	ynh_setup_source "$final_path"
fi

#=================================================
# SPECIFIC UPGRADE
#=================================================
# STRETCH COMPATIBILITY
#=================================================

if is_stretch
then
	ynh_replace_string "yunohost backup create --ignore-apps" "yunohost backup create" "$final_path/archivist.sh"
	ynh_replace_string "yunohost backup create --ignore-system" "yunohost backup create" "$final_path/archivist.sh"
fi

#=================================================
# UPDATE THE CRON FILE
#=================================================

# Verify the checksum and backup the file if it's different
ynh_backup_if_checksum_is_different "/etc/cron.d/$app"

cp ../conf/cron /etc/cron.d/$app
ynh_replace_string "__FINALPATH__" "$final_path" /etc/cron.d/$app
ynh_replace_string "__APP__" "$app" /etc/cron.d/$app
if [ "$frequency" = "Daily" ]; then
	cron_freq="0 2 * * *"
elif [ "$frequency" = "Each 3 days" ]; then
	cron_freq="0 2 */3 * *"
elif [ "$frequency" = "Weekly" ]; then
	cron_freq="0 2 * * 0"
elif [ "$frequency" = "Biweekly" ]; then
	cron_freq="0 2 * * 0/2"
else	# Monthly
	cron_freq="0 2 1 * *"
fi
ynh_replace_string "__FREQUENCY__" "$cron_freq" /etc/cron.d/$app

# Recalculate and store the config file checksum into the app settings
ynh_store_file_checksum "/etc/cron.d/$app"

#=================================================
# SETUP LOGROTATE
#=================================================

# Use logrotate to manage app-specific logfile(s)
ynh_use_logrotate --non-append

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

# Set right permissions for curl installation
chown -R root: $final_path