#!perl -w
# Copyright (C) 2014-2021 all contributors
# License: AGPL-3.0+
use strict;
use v5.10.1;
use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/;
use Fcntl qw(:DEFAULT);
my $help = < \$version,
'L|index-level|indexlevel=s' => \$indexlevel,
'S|skip|skip-epoch=i' => \$skip_epoch,
'skip-artnum=i' => \$skip_artnum,
'j|jobs=i' => \$jobs,
'ng|newsgroup=s' => \$ng,
'skip-docdata' => \$skip_docdata,
'help|h' => \$show_help,
'c=s@' => \@c_extra,
'C=s@' => \@chdir,
);
my $usage_cb = sub {
print STDERR $help;
exit 1;
};
GetOptions(%opts) or $usage_cb->();
if ($show_help) { print $help; exit 0 };
my $name = shift @ARGV or $usage_cb->();
my $inboxdir = shift @ARGV or $usage_cb->();
my $http_url = shift @ARGV or $usage_cb->();
my (@address) = @ARGV;
@address or $usage_cb->();
+PublicInbox::Admin::do_chdir(\@chdir);
@c_extra = map {
my ($k, $v) = split(/=/, $_, 2);
defined($v) or die "Usage: -c KEY=VALUE\n";
$k =~ /\A[a-z]+\z/i or die "$k contains invalid characters\n";
$k = lc($k);
if ($k eq 'newsgroup') {
die "newsgroup already set ($ng)\n" if $ng ne '';
$ng = $v;
();
} elsif ($k eq 'address') {
push @address, $v; # for conflict checking
();
} elsif ($k =~ /\A(?:inboxdir|mainrepo)\z/) {
die "$k not allowed via -c $_\n"
} elsif ($k eq 'indexlevel') {
defined($indexlevel) and
die "indexlevel already set ($indexlevel)\n";
$indexlevel = $v;
();
} else {
$_
}
} @c_extra;
PublicInbox::Admin::indexlevel_ok_or_die($indexlevel) if defined $indexlevel;
$ng =~ m![^A-Za-z0-9/_\.\-\~\@\+\=:]! and
die "--newsgroup `$ng' is not valid\n";
($ng =~ m!\A\.! || $ng =~ m!\.\z!) and
die "--newsgroup `$ng' must not start or end with `.'\n";
require PublicInbox::Config;
my $pi_config = PublicInbox::Config->default_file;
my ($dir) = ($pi_config =~ m!(.*?/)[^/]+\z!);
require File::Path;
File::Path::mkpath($dir); # will croak on fatal errors
# first, we grab a flock to prevent simultaneous public-inbox-init
# processes from trampling over each other, or exiting with 255 on
# O_EXCL failure below. This gets unlocked automatically on exit:
require PublicInbox::Lock;
my $lock_obj = { lock_path => "$pi_config.flock" };
PublicInbox::Lock::lock_acquire($lock_obj);
# git-config will operate on this (and rename on success):
require File::Temp;
my $fh = File::Temp->new(TEMPLATE => 'pi-init-XXXX', DIR => $dir);
# Now, we grab another lock to use git-config(1) locking, so it won't
# wait on the lock, unlike some of our internal flock()-based locks.
# This is to prevent direct git-config(1) usage from clobbering our
# changes.
my $lockfile = "$pi_config.lock";
my $lockfh;
sysopen($lockfh, $lockfile, O_RDWR|O_CREAT|O_EXCL) or do {
warn "could not open config file: $lockfile: $!\n";
exit(255);
};
require PublicInbox::OnDestroy;
my $auto_unlink = PublicInbox::OnDestroy->new($$, sub { unlink $lockfile });
my ($perm, %seen);
if (-e $pi_config) {
open(my $oh, '<', $pi_config) or die "unable to read $pi_config: $!\n";
my @st = stat($oh);
$perm = $st[2];
defined $perm or die "(f)stat failed on $pi_config: $!\n";
chmod($perm & 07777, $fh) or
die "(f)chmod failed on future $pi_config: $!\n";
defined(my $old = do { local $/; <$oh> }) or die "read $pi_config: $!\n";
print $fh $old or die "failed to write: $!\n";
close $oh or die "failed to close $pi_config: $!\n";
# yes, this conflict checking is racy if multiple instances of this
# script are run by the same $PI_DIR
my $cfg = PublicInbox::Config->new;
my $conflict;
foreach my $addr (@address) {
my $found = $cfg->lookup($addr);
if ($found) {
if ($found->{name} ne $name) {
print STDERR
"`$addr' already defined for ",
"`$found->{name}',\n",
"does not match intend `$name'\n";
$conflict = 1;
} else {
$seen{lc($addr)} = 1;
}
}
}
exit(1) if $conflict;
my $ibx = $cfg->lookup_name($name);
$indexlevel //= $ibx->{indexlevel} if $ibx;
}
my $pi_config_tmp = $fh->filename;
close($fh) or die "failed to close $pi_config_tmp: $!\n";
my $pfx = "publicinbox.$name";
my @x = (qw/git config/, "--file=$pi_config_tmp");
$inboxdir = PublicInbox::Config::rel2abs_collapsed($inboxdir);
die "`\\n' not allowed in `$inboxdir'\n" if index($inboxdir, "\n") >= 0;
if (-f "$inboxdir/inbox.lock") {
if (!defined $version) {
$version = 2;
} elsif ($version != 2) {
die "$inboxdir is a -V2 inbox, -V$version specified\n"
}
} elsif (-d "$inboxdir/objects") {
if (!defined $version) {
$version = 1;
} elsif ($version != 1) {
die "$inboxdir is a -V1 inbox, -V$version specified\n"
}
}
$version = 1 unless defined $version;
if ($version == 1 && defined $skip_epoch) {
die "--skip-epoch is only supported for -V2 inboxes\n";
}
my $ibx = PublicInbox::Inbox->new({
inboxdir => $inboxdir,
name => $name,
version => $version,
-primary_address => $address[0],
indexlevel => $indexlevel,
});
my $creat_opt = {};
if (defined $jobs) {
die "--jobs is only supported for -V2 inboxes\n" if $version == 1;
die "--jobs=$jobs must be >= 1\n" if $jobs <= 0;
$creat_opt->{nproc} = $jobs;
}
require PublicInbox::InboxWritable;
$ibx = PublicInbox::InboxWritable->new($ibx, $creat_opt);
if ($skip_docdata) {
$ibx->{indexlevel} //= 'full'; # ensure init_inbox writes xdb
$ibx->{indexlevel} eq 'basic' and
die "--skip-docdata ignored with --indexlevel=basic\n";
$ibx->{-skip_docdata} = $skip_docdata;
}
$ibx->init_inbox(0, $skip_epoch, $skip_artnum);
my $f = "$inboxdir/description";
if (sysopen $fh, $f, O_CREAT|O_EXCL|O_WRONLY) {
print $fh "public inbox for $address[0]\n" or die "print($f): $!";
close $fh or die "close($f): $!";
}
# needed for git prior to v2.1.0
umask(0077) if defined $perm;
require PublicInbox::Spawn;
PublicInbox::Spawn->import(qw(run_die));
foreach my $addr (@address) {
next if $seen{lc($addr)};
run_die([@x, "--add", "$pfx.address", $addr]);
}
run_die([@x, "$pfx.url", $http_url]);
run_die([@x, "$pfx.inboxdir", $inboxdir]);
if (defined($indexlevel)) {
run_die([@x, "$pfx.indexlevel", $indexlevel]);
}
run_die([@x, "$pfx.newsgroup", $ng]) if $ng ne '';
for my $kv (@c_extra) {
my ($k, $v) = split(/=/, $kv, 2);
# git 2.30+ has --fixed-value for idempotent invocations,
# but that's too new to depend on in 2021. Perl quotemeta
# seems compatible enough for POSIX ERE which git uses
my $re = '^'.quotemeta($v).'$';
run_die([@x, qw(--replace-all), "$pfx.$k", $v, $re]);
}
# needed for git prior to v2.1.0
if (defined $perm) {
chmod($perm & 07777, $pi_config_tmp) or
die "(f)chmod failed on future $pi_config: $!\n";
}
rename $pi_config_tmp, $pi_config or
die "failed to rename `$pi_config_tmp' to `$pi_config': $!\n";
undef $auto_unlink; # trigger ->DESTROY