user-callback

During backup process Back In Time can call a user-callback script at different steps. This callback is $XDG_CONFIG_HOME/backintime/user-callback (by default $XDG_CONFIG_HOME is ~/.config).

• The first argument is the profile id (1=Main Profile, ...).
• The second argument is the profile name.
• The third argument is the reason:

1. Backup process begins.
2. Backup process ends.
3. A new snapshot was taken. The extra arguments are snapshot ID and snapshot path.
4. There was an error. The second argument is the error code.

Error codes:

1. The application is not configured.
2. A "take snapshot" process is already running.
3. Can't find snapshots folder (is it on a removable drive ?).
4. A snapshot for "now" already exist.

5. On (graphical) App start.
6. On (graphical) App close.
7. Mount all necessary drives.
8. Unmount all drives.