guest-agent: improve help for --allow-rpcs and --block-rpcs
Currently (8.0.3+) when calling qemu-ga --help
the output looks like this:
[...]
-b, --block-rpcs comma-separated list of RPCs to disable (no spaces,
use "help" to list available RPCs)
-a, --allow-rpcs comma-separated list of RPCs to enable (no spaces,
use "help" to list available RPCs)
[...]
The sentence use "help" to list available RPCs
could be misunderstood in a way that the user should call qemu-ga --help
to get the list of available RPCs. Instead the user has to call qemu-ga --block-rpcs=help
or qemu-ga --block-rpcs=help
to get the list of rpcs.
I suggest to improve the message to make this more obvious:
-b, --block-rpcs comma-separated list of RPCs to disable (no spaces,
use "--block-rpcs=help" to list available RPCs)
-a, --allow-rpcs comma-separated list of RPCs to enable (no spaces,
use "--allow-rpcs=help" to list available RPCs)
Found while testing the patch for #1505 (closed)