user/dev discussion of public-inbox itself
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264bcdefa2c88bb06b16457281c614acf51a1bef blob 2987 bytes (raw)

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#!/usr/bin/perl -w
# Copyright (C) 2019 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
#
# Used for purging messages entirely from a public-inbox.  Currently
# supports v2 inboxes only, for now.
use strict;
use warnings;
use Getopt::Long qw(:config gnu_getopt no_ignore_case auto_abbrev);
use PublicInbox::Config;
use PublicInbox::MIME;
use PublicInbox::Admin qw(resolve_repo_dir);
use PublicInbox::Filter::Base;
*REJECT = *PublicInbox::Filter::Base::REJECT;

my $usage = "$0 [--all] [INBOX_DIRS] </path/to/message";

eval { require PublicInbox::V2Writable } or die
	"DBI, DBD::SQLite and Search::Xapian required for purge\n";
my $config = eval { PublicInbox::Config->new };
my $cfgfile = PublicInbox::Config::default_file();
my ($all, $force);
my $verbose = 1;
my %opts = (
	'all' => \$all,
	'force|f' => \$force,
	'verbose|v!' => \$verbose,
);
GetOptions(%opts) or die "bad command-line args\n", $usage, "\n";

# TODO: clean this up and share code with -index via ::Admin
my %dir2ibx; # ( path => Inbox object )
my @inboxes;
$config and $config->each_inbox(sub {
	my ($ibx) = @_;
	push @inboxes, $ibx if $all && $ibx->{version} != 1;
	$dir2ibx{$ibx->{mainrepo}} = $ibx;
});

if ($all) {
	$config or die "--all specified, but $cfgfile not readable\n";
	@ARGV and die "--all specified, but directories specified\n";
} else {
	my @err;
	my @dirs = scalar(@ARGV) ? @ARGV : ('.');
	my $u = 0;

	foreach my $dir (@dirs) {
		my $v;
		my $dir = resolve_repo_dir($dir, \$v);
		if ($v == 1) {
			push @err, $dir;
			next;
		}
		my $ibx = $dir2ibx{$dir} ||= do {
			warn "$dir not configured in $cfgfile\n";
			$u++;
			my $name = "unconfigured-$u";
			PublicInbox::Inbox->new({
				version => 2,
				name => $name,
				-primary_address => "$name\@example.com",
				mainrepo => $dir,
			});
		};

		# somebody could "rm -r" all the Xapian directories;
		# let them purge the overview, at least
		$ibx->{indexlevel} ||= 'basic' unless $ibx->search;

		push @inboxes, $ibx;
	}

	if (@err) {
		die "v1 inboxes currently not supported by -purge\n\t",
		    join("\n\t", @err), "\n";
	}
}

my $data = do { local $/; scalar <STDIN> };
$data =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s;
my $n_purged = 0;

foreach my $ibx (@inboxes) {
	my $mime = PublicInbox::MIME->new($data);
	my $v2w = PublicInbox::V2Writable->new($ibx, 0);

	my $commits = $v2w->purge($mime) || [];

	if (my $scrub = $ibx->filter($v2w)) {
		my $scrubbed = $scrub->scrub($mime, 1);

		if ($scrubbed && $scrubbed != REJECT()) {
			my $scrub_commits = $v2w->purge($scrubbed);
			push @$commits, @$scrub_commits if $scrub_commits;
		}
	}

	$v2w->done;

	if ($verbose) { # should we consider this machine-parseable?
		print "$ibx->{mainrepo}:";
		if (scalar @$commits) {
			print join("\n\t", '', @$commits), "\n";
		} else {
			print " NONE\n";
		}
	}
	$n_purged += scalar @$commits;
}

# behave like "rm -f"
exit(0) if ($force || $n_purged);

warn "Not found\n" if $verbose;
exit(1);
debug log:

solving 264bcde ...
found 264bcde in https://80x24.org/public-inbox.git

user/dev discussion of public-inbox itself

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