mirror of
https://github.com/YunoHost-Apps/timemachine_ynh.git
synced 2024-09-03 20:26:33 +02:00
162 lines
5.9 KiB
Bash
162 lines
5.9 KiB
Bash
#!/bin/bash
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#=================================================
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# GENERIC START
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#=================================================
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# IMPORT GENERIC HELPERS
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#=================================================
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source _common.sh
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source /usr/share/yunohost/helpers
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#=================================================
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# LOAD SETTINGS
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#=================================================
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ynh_script_progression --message="Loading installation settings..." --time --weight=1
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app=$YNH_APP_INSTANCE_NAME
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admin=$(ynh_app_setting_get --app=$app --key=admin)
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final_path=$(ynh_app_setting_get --app=$app --key=final_path)
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#=================================================
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# CHECK VERSION
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#=================================================
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### This helper will compare the version of the currently installed app and the version of the upstream package.
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### $upgrade_type can have 2 different values
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### - UPGRADE_APP if the upstream app version has changed
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### - UPGRADE_PACKAGE if only the YunoHost package has changed
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### ynh_check_app_version_changed will stop the upgrade if the app is up to date.
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### UPGRADE_APP should be used to upgrade the core app only if there's an upgrade to do.
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upgrade_type=$(ynh_check_app_version_changed)
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#=================================================
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# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
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#=================================================
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ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --time --weight=1
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# Backup the current version of the app
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ynh_backup_before_upgrade
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ynh_clean_setup () {
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# Restore it if the upgrade fails
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ynh_restore_upgradebackup
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}
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# Exit if an error occurs during the execution of the script
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ynh_abort_if_errors
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#=================================================
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# STANDARD UPGRADE STEPS
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#=================================================
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#=================================================
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# ENSURE DOWNWARD COMPATIBILITY
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#=================================================
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ynh_script_progression --message="Ensuring downward compatibility..." --time --weight=1
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#
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# N.B. : the followings setting migrations snippets are provided as *EXAMPLES*
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# of what you may want to do in some cases (e.g. a setting was not defined on
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# some legacy installs and you therefore want to initiaze stuff during upgrade)
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#
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# If db_name doesn't exist, create it
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#if [ -z "$db_name" ]; then
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# db_name=$(ynh_sanitize_dbid --db_name=$app)
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# ynh_app_setting_set --app=$app --key=db_name --value=$db_name
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#fi
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# If final_path doesn't exist, create it
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#if [ -z "$final_path" ]; then
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# final_path=/var/www/$app
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# ynh_app_setting_set --app=$app --key=final_path --value=$final_path
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#fi
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### If nobody installed your app before 4.1,
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### then you may safely remove these lines
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# Cleaning legacy permissions
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if ynh_legacy_permissions_exists; then
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ynh_legacy_permissions_delete_all
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ynh_app_setting_delete --app=$app --key=is_public
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fi
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#=================================================
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# CREATE DEDICATED USER
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#=================================================
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ynh_script_progression --message="Making sure dedicated system user exists..." --time --weight=1
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# Create a dedicated user (if not existing)
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ynh_system_user_create --username=$app --home_dir="$final_path"
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#=================================================
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# DOWNLOAD, CHECK AND UNPACK SOURCE
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#=================================================
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if [ "$upgrade_type" == "UPGRADE_APP" ]
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then
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ynh_script_progression --message="Upgrading source files..." --time --weight=1
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# Download, check integrity, uncompress and patch the source from app.src
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# ynh_setup_source --dest_dir="$final_path"
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fi
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# FIXME: this should be managed by the core in the future
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# Here, as a packager, you may have to tweak the ownerhsip/permissions
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# such that the appropriate users (e.g. maybe www-data) can access
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# files in some cases.
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# But FOR THE LOVE OF GOD, do not allow r/x for "others" on the entire folder -
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# this will be treated as a security issue.
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chmod 750 "$final_path"
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chmod -R o-rwx "$final_path"
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chown -R $app:www-data "$final_path"
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#=================================================
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# UPGRADE DEPENDENCIES
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#=================================================
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ynh_script_progression --message="Upgrading dependencies..." --time --weight=1
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ynh_install_app_dependencies $pkg_dependencies
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#=================================================
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# SPECIFIC UPGRADE
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#=================================================
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# ...
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#=================================================
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#=================================================
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# UPDATE A CONFIG FILE
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#=================================================
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ynh_script_progression --message="Updating a configuration file..." --time --weight=1
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### Same as during install
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###
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### The file will automatically be backed-up if it's found to be manually modified (because
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### ynh_add_config keeps track of the file's checksum)
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ynh_add_config --template="../conf/smb.conf" --destination="/etc/smb/smb.d/$app.conf"
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ynh_add_config --template="../conf/avahi-samba.service" --destination="/etc/avahi/services/$app.service"
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samba_sysadmin_update
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samba_sysadmin_add
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# FIXME: this should be handled by the core in the future
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# You may need to use chmod 600 instead of 400,
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# for example if the app is expected to be able to modify its own config
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chmod 400 "$final_path/some_config_file"
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chown $app:$app "$final_path/some_config_file"
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### For more complex cases where you want to replace stuff using regexes,
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### you shoud rely on ynh_replace_string (which is basically a wrapper for sed)
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### When doing so, you also need to manually call ynh_store_file_checksum
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###
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### ynh_replace_string --match_string="match_string" --replace_string="replace_string" --target_file="$final_path/some_config_file"
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### ynh_store_file_checksum --file="$final_path/some_config_file"
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#=================================================
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# END OF SCRIPT
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#=================================================
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ynh_script_progression --message="Upgrade of $app completed" --time --last
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