Commit Graph

2016 Commits

Author SHA1 Message Date
John Arbuckle
3983a767e3 Set icon for QEMU binary on Mac OS
Before switching the build system over to Meson, an icon was
added to the QEMU binary on Mac OS. This patch adds back that
feature; it piggybacks on the existing scripts/entitlement.sh,
which already does in-place changes to the executable on Darwin.

Signed-off-by: John Arbuckle <programmingkidx@gmail.com>
Message-Id: <20210705195328.36442-1-programmingkidx@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 09:35:08 +02:00
Paolo Bonzini
dd52af17ec coverity-scan: switch to vpath build
This is the patch that has been running on the coverity cronjob
for a few weeks now.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 07:54:50 +02:00
Philippe Mathieu-Daudé
dff5f68224 coverity-scan: Remove lm32 / unicore32 targets
lm32 has been removed in commit 9d49bcf699 ("Drop the deprecated
lm32 target"), and unicore32 in 4369223902 ("Drop the deprecated
unicore32 target").

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210619091342.3660495-2-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 07:49:41 +02:00
Alex Bennée
66cf70149a scripts/checkpatch: roll diff tweaking into checkpatch itself
Rather than relying on external tweaks lets just do it inside
checkpatch's direct commitish handling which is QEMU specific code
anyway.

Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Message-Id: <20210623102749.25686-4-alex.bennee@linaro.org>
2021-06-25 10:08:33 +01:00
Peter Maydell
0add99ea3e Python Pull request
Moves QMP-related tools not used for build or automatic testing from
 scripts/ to python/qemu/qmp/ where they will be protected from bitrot by
 the check-python-* CI jobs.
 
 stub forwarders are left in the old locations for now.
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Merge remote-tracking branch 'remotes/jsnow-gitlab/tags/python-pull-request' into staging

Python Pull request

Moves QMP-related tools not used for build or automatic testing from
scripts/ to python/qemu/qmp/ where they will be protected from bitrot by
the check-python-* CI jobs.

stub forwarders are left in the old locations for now.

# gpg: Signature made Sat 19 Jun 2021 00:02:40 BST
# gpg:                using RSA key F9B7ABDBBCACDF95BE76CBD07DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" [full]
# Primary key fingerprint: FAEB 9711 A12C F475 812F  18F2 88A9 064D 1835 61EB
#      Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76  CBD0 7DEF 8106 AAFC 390E

* remotes/jsnow-gitlab/tags/python-pull-request: (72 commits)
  scripts/qmp-shell: add redirection shim
  python: add qmp-shell entry point
  scripts/qmp-shell: move to python/qemu/qmp/qmp_shell.py
  scripts/qmp-shell: add docstrings
  scripts/qmp-shell: make QMPShellError inherit QMPError
  scripts/qmp-shell: remove double-underscores
  scripts/qmp-shell: convert usage comment to docstring
  scripts/qmp-shell: Remove too-broad-exception
  scripts/qmp-shell: Fix empty-transaction invocation
  scripts/qmp-shell: remove TODO
  scripts/qmp-shell: use logging to show warnings
  scripts/qmp-shell: Use context manager instead of atexit
  python/qmp: return generic type from context manager
  scripts/qmp-shell: unprivatize 'pretty' property
  scripts/qmp-shell: Accept SocketAddrT instead of string
  scripts/qmp-shell: add mypy types
  python/qmp: add QMPObject type alias
  scripts/qmp-shell: initialize completer early
  scripts/qmp-shell: refactor QMPCompleter
  scripts/qmp-shell: Fix "FuzzyJSON" parser
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-06-21 16:11:33 +01:00
Peter Maydell
53f306f316 x86 queue, 2021-06-18
Features:
 * Add ratelimit for bus locks acquired in guest (Chenyi Qiang)
 
 Documentation:
 * SEV documentation updates (Tom Lendacky)
 * Add a table showing x86-64 ABI compatibility levels (Daniel P. Berrangé)
 
 Automated changes:
 * Update Linux headers to 5.13-rc4 (Eduardo Habkost)
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Merge remote-tracking branch 'remotes/ehabkost-gl/tags/x86-next-pull-request' into staging

x86 queue, 2021-06-18

Features:
* Add ratelimit for bus locks acquired in guest (Chenyi Qiang)

Documentation:
* SEV documentation updates (Tom Lendacky)
* Add a table showing x86-64 ABI compatibility levels (Daniel P. Berrangé)

Automated changes:
* Update Linux headers to 5.13-rc4 (Eduardo Habkost)

# gpg: Signature made Fri 18 Jun 2021 20:51:26 BST
# gpg:                using RSA key 5A322FD5ABC4D3DBACCFD1AA2807936F984DC5A6
# gpg:                issuer "ehabkost@redhat.com"
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost-gl/tags/x86-next-pull-request:
  scripts: helper to generate x86_64 CPU ABI compat info
  docs: add a table showing x86-64 ABI compatibility levels
  docs/interop/firmware.json: Add SEV-ES support
  docs: Add SEV-ES documentation to amd-memory-encryption.txt
  doc: Fix some mistakes in the SEV documentation
  i386: Add ratelimit for bus locks acquired in guest
  Update Linux headers to 5.13-rc4

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-06-21 11:26:04 +01:00
John Snow
d08caefe66 scripts/qmp-shell: add redirection shim
qmp-shell has a new home, add a redirect for a little while as the dust
settles.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-43-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
6be7206efc scripts/qmp-shell: move to python/qemu/qmp/qmp_shell.py
The script will be unavailable for a commit or two, which will help
preserve development history attached to the new file. A forwarder will
be added shortly afterwards.

With qmp_shell in the python qemu.qmp package, now it is fully type
checked, linted, etc. via the Python CI. It will be quite a bit harder
to accidentally break it again in the future.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-41-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
e359c5a8b8 scripts/qmp-shell: add docstrings
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-40-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
6a1105adba scripts/qmp-shell: make QMPShellError inherit QMPError
In preparation for moving qmp-shell into the qemu.qmp package, make
QMPShellError inherit from QMPError so that all custom errors in this
package all derive from QMPError.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-39-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
a64fe44d5a scripts/qmp-shell: remove double-underscores
They're not needed; single underscore is enough to express intent that
these methods are "internal". double underscore is used as a weak name
mangling, but that isn't beneficial for us here.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-38-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
7fc29896d2 scripts/qmp-shell: convert usage comment to docstring
The nice usage comment should be a docstring instead of a comment, so
that it's visible from other python tooling.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-37-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
26d3ce9e5e scripts/qmp-shell: Remove too-broad-exception
We are only anticipating QMPShellErrors here, for syntax we weren't able
to understand. Other errors, if any, should be allowed to percolate
upwards.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-36-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
c83055ef1d scripts/qmp-shell: Fix empty-transaction invocation
calling "transaction( )" is pointless, but valid. Rework the parser to
allow this kind of invocation. This helps clean up exception handling
later by removing accidental breakages of the parser that aren't
explicitly forbidden.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-35-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
74688377fe scripts/qmp-shell: remove TODO
We still want to revamp qmp-shell again, but there's much more to the
idea than the comment now intuits. Remove it.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-34-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
be19c6a712 scripts/qmp-shell: use logging to show warnings
A perfect candidate is non-fatal shell history messages.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-33-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
d1d14e5989 scripts/qmp-shell: Use context manager instead of atexit
We can invoke the shell history writing when we leave the QMPShell scope
instead of relying on atexit. Doing so may be preferable to avoid global
state being registered from within a class instead of from the
application logic directly.

Use QMP's context manager to hook this history saving at close time,
which gets invoked when we leave the context block.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-32-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
6e24a7edb8 scripts/qmp-shell: unprivatize 'pretty' property
Similar to verbose, there's no reason this needs to be hidden.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-30-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
b0b8ca17e5 scripts/qmp-shell: Accept SocketAddrT instead of string
Don't "extend" QEMUMonitorProtocol by changing the argument types. Move
the string parsing just outside of the class instead.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-29-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
1eab88723c scripts/qmp-shell: add mypy types
As per my usual, this patch is annotations only. Any changes with side
effects are done elsewhere.

Note: pylint does not understand the subscripts for Collection in Python 3.6,
so use the stronger Sequence type as a workaround.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-28-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
4157429582 scripts/qmp-shell: initialize completer early
Add an empty completer as a more type-safe placeholder instead of
'None'.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-26-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
db12abc208 scripts/qmp-shell: refactor QMPCompleter
list is a generic type, but we expect to use strings directly. We could
subclass list[str], but pylint does not presently understand that
invocation.

Change this class to envelop a list instead of *being* a list, for
simpler mypy typing.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-25-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
6faf2384ec scripts/qmp-shell: Fix "FuzzyJSON" parser
I'm not sure when this regressed (Or maybe if it was ever working right
to begin with?), but the Python AST requires you to change "Names" to
"Constants" in order to truly convert `false` to `False`.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-24-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
ad4eebee00 scripts/qmp-shell: move the REPL functionality into QMPShell
Instead of doing this in main, move it into the class itself. (This
makes it easier to put into the qemu.qmp package later by removing as
much as we can from the main() function.)

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-23-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
1215a1fbef scripts/qmp-shell: remove prompt argument from read_exec_command
It's only ever used by one caller, we can just absorb that logic.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-22-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
1caa505766 scripts/qmp-shell: move get_prompt() to prompt property
Small tidying; treat "prompt" like an immutable property instead of
function/method/routine.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-21-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
2ac3f3786e scripts/qmp-shell: Make verbose a public attribute
No real reason to hide this behind an underscore; make it part of the
initializer and make it a regular RW attribute.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-20-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
ad459132c0 scripts/qmp-shell: Add pretty attribute to HMP shell
It's less useful, but it makes the initialization methods LSP
consistent, which quiets a mypy complaint.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-19-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
17329be2fd scripts/qmp-shell: use argparse
Use argparse instead of an open-coded CLI parser, for consistency with
everything else.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-18-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
90bd8eb8dc scripts/qmp-shell: use isinstance() instead of type()
A bit more idiomatic, and quiets some linter warnings.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-17-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:07 -04:00
John Snow
73f699c903 scripts/qmp-shell: remove if-raise-else patterns
Shushes pylint. I don't always mind these patterns personally, but I'm
not as sure that I want to remove the warning from pylint's repertoire
entirely. Oh well.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-16-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
d962ec85ed scripts/qmp-shell: fix shell history exception handling
We want to remove exceptions that are too broad here; we only want to
catch IOErrors that get raised as a direct result of the open call.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-15-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
628b92dd67 scripts/qmp-shell: rename one and two-letter variables
A bit of churn and housekeeping for pylint, flake8 et al.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-14-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
2813dee053 scripts/qmp-shell: make QMPCompleter returns explicit
This function returns None when it doesn't find a match; do that
explicitly.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-13-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
50f6f1c308 scripts/qmp-shell: ignore visit_Name name
Not something I control, sorry, pylint.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-12-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
c6be2bf86e scripts/qmp-shell: use triple-double-quote docstring style
(2014 me had never written python before.)

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-11-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
31226369ab scripts/qmp-shell: declare verbose in __init__
Linters get angry when we don't define state at init time.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-10-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
5cb0233861 scripts/qmp-shell: Use python3-style super()
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-9-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
c4a1447fc1 scripts/qmp-shell: use @classmethod where appropriate
Methods with no self-use should belong to the class.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-8-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
9669c8289c scripts/qmp-shell: remove shadowed variable from _print()
Don't use 'qmp' here, which shadows the qmp module.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-7-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
f2daa2d489 scripts/qmp-shell: fix connect method signature
It needs to match the parent's signature -- the negotiate parameter must
be optional.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-6-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
de14ba24f3 scripts/qmp-shell: fix exception handling
Fixes: 50d189c

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-5-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
70e5674018 scripts/qmp-shell: fix show_banner signature
The signatures need to match.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-4-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
169b43b367 scripts/qmp-shell: Apply flake8 rules
A lot of fiddling around to get us below 80 columns.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-3-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
badf462985 scripts/qmp-shell: apply isort rules
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-2-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
88fb483fc5 scripts/qemu-ga-client: Add forwarder shim
Add a little forwarder shim until we are sure that everyone is
comfortable with how to use the tools in their new packaged location.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210604155532.1499282-12-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
1e129afc31 scripts/qemu-ga-client: move to python/qemu/qmp/qemu_ga_client.py
The script itself will be unavailable for a few commits before being
restored, with no way to run it right after this commit. This helps move
git history into the new file. To prevent linter regressions, though, we
do need to immediately touch up the filename to remove dashes (to make
the module importable), and remove the executable bit.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210604155532.1499282-10-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
ca683d4a2f scripts/qemu-ga-client: add mypy type hints
This script is in slightly rough shape, but it still works. A lot of
care went into its initial development. In good faith, I'm updating it
to the latest Python coding standards. If there is in interest in this
script, though, I'll be asking for a contributor to take care of it
further.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210604155532.1499282-9-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
f85d3252ef scripts/qemu-ga-client: apply (most) pylint rules
I'm only doing a very quick best-effort to preserve this script, to help
keep it from breaking further. I think there are pending ideas swirling
on the right way to implement better SDKs and better clients, and this
script might be a handy reference for those discussions. It presents
some interesting design problems, like static type safety when using a
dynamic RPC mechanism.

I believe it's worth preserving the effort and care that went into
making this script by updating it to work with our current
infrastructure. However, I am disabling the requirement for docstrings
in this file.

If you would like to help improve this script, please add docstrings
alongside any refactors or rejuvenations you might apply at that time.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210604155532.1499282-7-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00
John Snow
aff103b531 scripts/qemu-ga-client: add module docstring
Turn that nice usage comment into a docstring.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210604155532.1499282-6-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18 16:10:06 -04:00