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#!/usr/bin/perl
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This Source Code Form is "Incompatible With Secondary Licenses", as
# defined by the Mozilla Public License, v. 2.0.
use 5.10.1;
use strict;
use warnings;
use File::Basename qw(dirname);
use File::Spec::Functions qw(catfile catdir rel2abs);
use Cwd qw(realpath);
BEGIN {
require lib;
my $dir = rel2abs(catdir(dirname(__FILE__), '..'));
lib->import($dir, catdir($dir, 'lib'), catdir($dir, qw(local lib perl5)));
}
use Bugzilla;
BEGIN { Bugzilla->extensions };
use Bugzilla::Extension::UserProfile::Util qw(tag_for_recount_from_bug);
use Try::Tiny;
# not involved with kmag
my $query = q{
resolution = 'INACTIVE'
AND NOT (
triage_owner.login_name = 'mak77@bonardo.net'
AND bugs.priority IN ('P4', 'P5', '--')
)
AND NOT (
product.name = 'Toolkit' AND component.name = 'Add-ons Manager'
)
AND NOT (
product.name = 'Toolkit' AND component.name LIKE 'WebExtensions%'
)
AND NOT (
product.name = 'Core' AND component.name = 'XPConnect'
)
};
undo($query);
sub undo {
my @args = @_;
my $changes = get_changes(@args);
my $comments = get_comments(@args);
my %action;
while ($_ = $changes->()) {
push @{ $action{$_->{bug_id}}{$_->{bug_when}}{remove_activities} }, { id => $_->{change_id} };
$action{ $_->{bug_id} }{ $_->{bug_when} }{change}{ $_->{field_name} } = {
replace => $_->{added},
with => $_->{removed},
};
}
while ($_ = $comments->()) {
push @{ $action{ $_->{bug_id} }{$_->{bug_when}}{remove_comments} }, {
id => $_->{comment_id},
};
}
my $dbh = Bugzilla->dbh;
my @bug_ids = reverse sort { $a <=> $b } keys %action;
say 'Found ', 0 + @bug_ids, ' bugs';
foreach my $bug_id (@bug_ids) {
$dbh->bz_start_transaction;
say "Fix $bug_id";
try {
my ($delta_ts) = $dbh->selectrow_array(
'SELECT delta_ts FROM bugs WHERE bug_id = ?',
undef,
$bug_id);
my ($previous_last_ts) = $dbh->selectrow_array(
q{
SELECT MAX(bug_when) FROM (
SELECT bug_when FROM bugs_activity WHERE bug_id = ? AND bug_when < ?
UNION
SELECT bug_when FROM longdescs WHERE bug_id = ? AND bug_when < ?
UNION
SELECT creation_ts AS bug_when FROM bugs WHERE bug_id = ?
) as changes ORDER BY bug_when DESC
},
undef,
$bug_id, $delta_ts,
$bug_id, $delta_ts,
$bug_id,
);
die 'cannot find previous last updated time' unless $previous_last_ts;
my $action = delete $action{$bug_id}{$delta_ts};
if (keys %{ $action{$bug_id}{$delta_ts}}) {
die "skipping because more than one change\n";
}
elsif (!$action) {
die "skipping because most recent change newer than automation change\n";
}
foreach my $field (keys %{ $action->{change} }) {
my $change = $action->{change}{$field};
if ($field eq 'cf_last_resolved' && !$change->{with}) {
$change->{with} = undef;
}
my $did = $dbh->do(
"UPDATE bugs SET $field = ? WHERE bug_id = ? AND $field = ?",
undef, $change->{with}, $bug_id, $change->{replace},
);
die "Failed to set $field to $change->{with}" unless $did;
}
$dbh->do('UPDATE bugs SET delta_ts = ?, lastdiffed = ? WHERE bug_id = ?', undef,
$previous_last_ts, $previous_last_ts, $bug_id );
my $del_comments = $dbh->prepare('DELETE FROM longdescs WHERE comment_id = ?');
my $del_activity = $dbh->prepare('DELETE FROM bugs_activity WHERE id = ?');
foreach my $comment (@{ $action->{remove_comments}}) {
$del_comments->execute($comment->{id}) or die "failed to delete comment $comment->{id}";
}
foreach my $activity (@{ $action->{remove_activities}}) {
$del_activity->execute($activity->{id}) or die "failed to delete comment $activity->{id}";
}
tag_for_recount_from_bug($bug_id);
$dbh->bz_commit_transaction;
sleep 1;
} catch {
chomp $_;
say "Error updating $bug_id: $_";
$dbh->bz_rollback_transaction;
};
}
say 'Done.';
}
sub get_changes {
my ($where, @bind) = @_;
my $sql = qq{
SELECT
BA.id AS change_id,
BA.bug_id,
FD.name AS field_name,
BA.removed,
BA.added,
BA.bug_when
FROM
bugs_activity AS BA
JOIN
fielddefs AS FD ON BA.fieldid = FD.id
JOIN
profiles AS changer ON changer.userid = BA.who
JOIN
(SELECT
bug_id
FROM
bugs
JOIN products AS product ON product.id = product_id
JOIN components AS component ON component.id = component_id
LEFT JOIN profiles AS triage_owner ON triage_owner.userid = component.triage_owner_id
WHERE
$where
) target_bugs ON BA.bug_id = target_bugs.bug_id
WHERE
changer.login_name = 'automation\@bmo.tld'
AND BA.bug_when BETWEEN '2018-05-22' AND '2018-05-26'
};
my $sth = Bugzilla->dbh->prepare($sql);
$sth->execute(@bind);
return sub { $sth->fetchrow_hashref };
}
sub get_comments {
my ($where, @bind) = @_;
my $sql = qq{
SELECT
C.comment_id AS comment_id,
C.bug_id AS bug_id,
C.bug_when
FROM
longdescs AS C
JOIN
profiles AS commenter ON commenter.userid = C.who
JOIN
(SELECT
bug_id
FROM
bugs
JOIN products AS product ON product.id = product_id
JOIN components AS component ON component.id = component_id
LEFT JOIN profiles AS triage_owner ON triage_owner.userid = component.triage_owner_id
WHERE
$where
) target_bugs ON C.bug_id = target_bugs.bug_id
WHERE
commenter.login_name = 'automation\@bmo.tld'
AND C.bug_when BETWEEN '2018-05-22' AND '2018-05-26'
};
my $sth = Bugzilla->dbh->prepare($sql);
$sth->execute(@bind);
return sub { $sth->fetchrow_hashref };
}
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