Re: [Qemu-devel] [PATCH v10 0/8] scripts/qemu.py fixes and cleanups

[Markus Armbruster <armbru@redhat.com>]

Amador Pahim <apahim@redhat.com> writes:

> Changes v1->v2:
>  - Style fixes to make checkpatch.pl happy.
>  - Rebased.
> Changes v2->v3:
>  - Fix typo in patch 3 ("qemu.py: make 'args' public") commit message.
> Changes v3->v4:
>  - Squash the 2 first commits since they are co-dependant.
>  - Cleanup launch() and shutdown().
>  - Reorder the commits, putting the rename of self._args first.
>  - Rebased.
> Changes v4->v5:
>  - Break the cleanup commit into logical changes and include in the
>    commit messages the rationale for making them.
> Changes v5->v6:
>  - Remove the commit to rename self._args.
>  - Fix is_running() return before first call to maunch().
>  - Use python logging system.
>  - Include the full command line on negative exit code error message.
>  - Use os.path.null instead of /dev/null.
>  - Improve the control over the created/deleted files.
> Changes v6->v7:
>  - Split commits in self-contained/atomic changes.
>  - Addressed the comments from previous version, basically improving the
>    logging messages and the control over created files. See individual
>    commit messages for details.
> Changes v7->v8:
>  - Rebased.
>  - Reorder commits to avoid break->fix sequence.
>  - Split commits "use poll() instead of 'returncode'" and "refactor
>    launch()".
>  - Don't ignore errors in _load_io_log(). Instead, check if we created
>    the file before reading it.
>  - Use LOG.warn() instead of LOG.debug() for the negative exit code
>    message.
>  - Fix the exception name called in commits "launch vm only if it's not
>    running" and "don't launch again before shutdown()".
>  - Minor style fixes.
> Changes v8->v9:
>  - Some commits were already merged. Rebased the remaining ones.
>  - New commit to remove unused import.
>  - VM files control logic changed to use a temporary directory.
>  - Better naming for variable controlling the need of a shutdown before
>    next launch.
> Changes v9->v10:
>  - Keep method _remove_if_exists().

Drive-by comment: please keep the patch changelog in reverse order
(latest first), so repeat reviewers can find the latest change(s) at a
glance.  Thanks in advance!