Access config file from snap

[ogra]

@fujiapple852

a snap that (i) requires elevated privileges and (ii) needs to read a user configuration file would be a very common scenario and so have a simple solution

Well, as i said above this is why the read: all option was added to the home interface

Here is an example:

Request for auto connection for qdl snap

qdl is command line based low level flash utility to flash devices sporting Qualcomm SoC. As such, it requires to have access to raw-usb. Since flasher requires sudo privileges, it also needs to have home: read: all as device image would be typically stored in user’s home directory. Reference upstream project: https://github.com/linux-msm/qdl As reference this is very much equivalent of Install Universal Update Utility - UUU on Linux | Snap Store for Qualcomm silicon.