[pbs-devel] [PATCH backup v2 1/7] pbs-client: use a const for the PBS_REPOSITORY env variable

[Christian Ebner]

Tested by providing the repository and fingerprint by setting via 
`SetCredential` as well as by passing it to a VM via smbios values and 
loading them via `LoadCredential` on command invocation.
Some patches of the series could be squashed together IMO, but that is 
up for the maintainer to decide.

Otherwise LGTM, with the smaller issues addressed consider this:

Reviewed-by: Christian Ebner <c.ebner at proxmox.com>
Tested-by: Christian Ebner <c.ebner at proxmox.com>