Writable directories in /var/snap?

[David Callé]

On 18/09/2016 23:15, Oliver Grawert wrote:
> hi,
> On So, 2016-09-18 at 23:03 +0200, Otfried Cheong wrote:
>> Hello,
>>
>> I'm trying to create my first snap, and have a first question:
>>
>> When a snap is installed (say hello-world), the system creates two
>> data
>> directories, /var/snap/hello-world/<revision> and
>> /var/snap/hello-world/common.   
>>
>> Apparently these are meant for the snap when it needs writable
>> storage,
>> but both directories are owned by root, and I haven't found any way
>> to
>> write to them, either from inside the snap or outside, whether
>> installing in --devmode or not.
>>  
> they are for services (which always run as root by default) ...
>
> user writable dirs are in ~/snap/<packagename>/<version>/
> in the running snap environment this is represented by the
> SNAP_USER_DATA environment variable.
>
> ciao
> 	oli
>
>
You also have $SNAP_USER_COMMON: ~/snap/<packagename>/common/ , that
persists between upgrades of the snap.

David

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