[pacman-dev] [PATCH 2/3] log invalid conf settings as an error

Allan McRae allan at archlinux.org
Sun May 10 08:41:24 UTC 2020

On 10/5/20 6:22 pm, Eli Schwartz wrote:
> On 5/10/20 4:09 AM, Allan McRae wrote:
>> On 10/5/20 2:32 pm, Eli Schwartz wrote:
>>> This is not a warning, _parse_options() returns failure without even
>>> parsing further lines and the attempted pacman/pacman-conf program
>>> execution immediately aborts. Warnings are for when e.g. later on if we
>>> don't recognize a setting at all, we skip over it and have enough
>>> confidence in this to continue executing the program.
>>> The current implementation results in pacman-conf aborting with:
>>> warning: config file /etc/pacman.conf, line 60: invalid value for 'ParallelDownloads' : '2.5'
>>> error parsing '/etc/pacman.conf'
>>> or pacman -Syu aborting with the entirely more cryptic:
>>> warning: config file /etc/pacman.conf, line 59: invalid value for 'ParallelDownloads' : '2.5'
>>> and this isn't just a problem for the newly added ParallelDownloads
>>> setting, either, you could get the same problem if you specified a
>>> broken XferCommand, but that's harder as it's more accepting of input
>>> and you probably don't hit this except with unbalanced quotes.
>> Is this the fix we want?  I think it would be better to get to the end
>> of parsing the conf file spitting errors as we go so that all issues are
>> printed before exiting.
>> Allan
> Maybe? All I have done thus far is change the log level. To collect
> multiple errors I guess we'd need to stop aborting in ini.c:parse_ini
> the first time one callback returns an error.
> It's currently documented with:
> @note Parsing will immediately stop if the callback returns non-zero.

OK - I'll take your patch as is, and we may want to consider that later.
 We also may have issues continuing to parse after a failure.


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