If the backup directory contains another Signal backup, it will be deleted silently

[yihanwu1024]

Guidelines

• I have searched searched open and closed issues for duplicates
• I am submitting a bug report for existing functionality that does not work as intended
• This isn't a feature request or a discussion topic

Bug description

If the backup directory contains another Signal backup, it will be deleted silently. There are typically 2 latest backups in a backup directory. One will get deleted first, then the second.

Screenshots

No response

Device

No response

Android version

No response

Signal version

7.68.5

Link to debug log

No response

[yihanwu1024]

Signal Android backup doesn't know which files were created by itself and which files were not. It just deletes what it thinks is an old backup, presumably using file name.