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Re: [Qemu-devel] [PATCH 02/10] qemu-option: improve qemu_opts_print_help

From: Eric Blake
Subject: Re: [Qemu-devel] [PATCH 02/10] qemu-option: improve qemu_opts_print_help() output
Date: Thu, 6 Sep 2018 10:30:32 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

On 09/06/2018 10:12 AM, Marc-André Lureau wrote:
Modify qemu_opts_print_help():
- to print expected argument type
- skip description if not available
- sort lines
- prefix with the list name (like qdev, to avoid confusion)
- drop 16-chars alignment, use a '-' as seperator for option name and

For ex, "-spice ?" output is changed from:


port             No description available
tls-port         No description available
addr             No description available
gl               No description available
rendernode       No description available


spice.agent-mouse=bool (on/off)
spice.disable-agent-file-xfer=bool (on/off)

"qemu-img create -f qcow2 -o ?", changed from:

and again

size             Virtual disk size
compat           Compatibility level (0.10 or 1.1)
backing_file     File name of a base image
lazy_refcounts   Postpone refcount updates
refcount_bits    Width of a reference count entry in bits


backing_file=str - File name of a base image
backing_fmt=str - Image format of the base image
cluster_size=size - qcow2 cluster size
refcount_bits=num - Width of a reference count entry in bits
size=size - Virtual disk size

Signed-off-by: Marc-André Lureau <address@hidden>
  util/qemu-option.c | 44 ++++++++++++++++++++++++++++++++++++++++++--
  1 file changed, 42 insertions(+), 2 deletions(-)

Reviewed-by: Eric Blake <address@hidden>

Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org

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