Add the versions command to proxmox-backup-manager with a similar output
to pveversion [-v]. It prints the packages line by line with only the
package name, followed by the version and, for proxmox-backup and
proxmox-backup-server, some additional information (running kernel,
running version).
In addition it supports the optional output-format parameter which can
be used to print the complete data in either json, json-pretty or text
format. If output-format is specified, the --verbose parameter is
ignored and the detailed list of packages is printed.
With the addition of the versions command, the report is extended as
well.
Signed-off-by: Mira Limbeck <m.limbeck@proxmox.com>
c100fe9108