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On 2011-01-07 04:38, Russ Allbery wrote:
> Niels Thykier <ni...@thykier.net> writes:
>> [...]
>> My current effort in the infra-513663 branch has been to encapsulate
>> packages inside the lab and reduce the complexity of the "PACKAGE: foreach".
>> I intend to let these Lab::Package instances take care of the
>> book-keeping inside its defined little space; my next goal is probably
>> to make collection book-keeping go in there as well (that is creation
>> and removal of the ".<script>-<version>" files).
>> I think once that is done the "PACKAGE: foreach" will be much simpler
>> (at least a lot shorter).
>
> Excellent!
>
Alright, I need a second pair of eyes here. In frontend/lintian there
is a piece of code[1]. This is about line 880ish in the infra-513663
branch.
I am almost certain there is something fishy going on within the if
body. With a bit of "printf"-debugging I have concluded that $checks in
"if ($check_tags) {" part is A) a scalar and B) undefined yet it is
happily used as a hash!
The else-part looks just as fishy! It split $checks on /,/ (so it is
used as a scalar again), yet it also happily uses $checks as a hash just
a bit further down.
I am guessing that these $checks{...} maps should have been replaced by
(something like) $check_info{...}->{'requested-tags'}. But I would like
this confirmed.
~Niels
[1]
# {{{ determine which checks have been requested
if ($action eq 'check') {
if ($check_tags) {
foreach my $t (split(/,/, $check_tags)) {
my $info = Lintian::Tag::Info->new($t);
fail("unknown tag specified: $t") unless defined($info);
my $script = $info->script;
next if $script eq 'lintian';
if ($check_info{$script}) {
$checks{$script} = 1;
} else {
# should never happen
fail("no info for script $script");
}
}
} else {
my %dont_check = map { $_ => 1 } (split m/,/, ...);
$checks or ($checks = join(',',keys %check_info));
for my $c (split(/,/,$checks)) {
if ($check_info{$c}) {
if ($dont_check{$c}
|| ($check_info{$c}->{'abbrev'}
&& $dont_check{$check_info{$c}->{'abbrev'}})) {
#user requested not to run this check
} elsif ($check_info{$c}->{'requested-tags'} == 0) {
#no need to run this check, no tags will be issued
} else {
$checks{$c} = 1;
}
} elsif (exists $check_abbrev{$c}) {
#abbrevs only used when -C is given, ....
$checks{$check_abbrev{$c}} = 1;
} else {
fail("unknown check specified: $c");
}
}
}
...
}
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