# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
# This interface wraps and mimics PublicInbox::Import
+# Used to write to V2 inboxes (see L<public-inbox-v2-format(5)>).
package PublicInbox::V2Writable;
use strict;
use warnings;
my $PACKING_FACTOR = 0.4;
# assume 2 cores if GNU nproc(1) is not available
-sub nproc_parts () {
+sub nproc_parts ($) {
+ my ($creat_opt) = @_;
+ if (ref($creat_opt) eq 'HASH') {
+ if (defined(my $n = $creat_opt->{nproc})) {
+ return $n
+ }
+ }
+
my $n = int($ENV{NPROC} || `nproc 2>/dev/null` || 2);
# subtract for the main process and git-fast-import
$n -= 1;
}
sub new {
+ # $creat may be any true value, or 0/undef. A hashref is true,
+ # and $creat->{nproc} may be set to an integer
my ($class, $v2ibx, $creat) = @_;
my $dir = $v2ibx->{mainrepo} or die "no mainrepo in inbox\n";
unless (-d $dir) {
im => undef, # PublicInbox::Import
parallel => 1,
transact_bytes => 0,
+ current_info => '',
xpfx => $xpfx,
over => PublicInbox::OverIdx->new("$xpfx/over.sqlite3", 1),
lock_path => "$dir/inbox.lock",
rotate_bytes => int((1024 * 1024 * 1024) / $PACKING_FACTOR),
last_commit => [], # git repo -> commit
};
- $self->{partitions} = count_partitions($self) || nproc_parts();
+ $self->{partitions} = count_partitions($self) || nproc_parts($creat);
bless $self, $class;
}
if ($self->{parallel}) {
pipe(my ($r, $w)) or die "pipe failed: $!";
+ # pipe for barrier notifications doesn't need to be big,
+ # 1031: F_SETPIPE_SZ
+ fcntl($w, 1031, 4096) if $^O eq 'linux';
$self->{bnote} = [ $r, $w ];
$w->autoflush(1);
}
$self->done;
my $pfx = "$self->{-inbox}->{mainrepo}/git";
my $purges = [];
- foreach my $i (0..$self->{epoch_max}) {
- my $git = PublicInbox::Git->new("$pfx/$i.git");
+ my $max = $self->{epoch_max};
+
+ unless (defined($max)) {
+ defined(my $latest = git_dir_latest($self, \$max)) or return;
+ $self->{epoch_max} = $max;
+ }
+ foreach my $i (0..$max) {
+ my $git_dir = "$pfx/$i.git";
+ -d $git_dir or next;
+ my $git = PublicInbox::Git->new($git_dir);
my $im = $self->import_init($git, 0, 1);
$purges->[$i] = $im->purge_oids($purge);
+ $im->done;
}
$purges;
}
my ($self, $mime) = @_;
my $purges = $self->{-inbox}->with_umask(sub {
remove_internal($self, $mime, undef, {});
- });
+ }) or return;
$self->idx_init if @$purges; # ->done is called on purges
for my $i (0..$#$purges) {
defined(my $cmt = $purges->[$i]) or next;
delete $self->{bnote};
$self->{transact_bytes} = 0;
$self->lock_release if $parts;
+ $self->{-inbox}->git->cleanup;
}
-sub git_init {
+sub fill_alternates ($$) {
my ($self, $epoch) = @_;
- my $pfx = "$self->{-inbox}->{mainrepo}/git";
- my $git_dir = "$pfx/$epoch.git";
- my @cmd = (qw(git init --bare -q), $git_dir);
- PublicInbox::Import::run_die(\@cmd);
+ my $pfx = "$self->{-inbox}->{mainrepo}/git";
my $all = "$self->{-inbox}->{mainrepo}/all.git";
+ my @cmd;
unless (-d $all) {
- @cmd = (qw(git init --bare -q), $all);
- PublicInbox::Import::run_die(\@cmd);
- @cmd = (qw/git config/, "--file=$all/config",
- 'repack.writeBitmaps', 'true');
- PublicInbox::Import::run_die(\@cmd);
+ PublicInbox::Import::init_bare($all);
}
-
- @cmd = (qw/git config/, "--file=$git_dir/config",
+ @cmd = (qw/git config/, "--file=$pfx/$epoch.git/config",
'include.path', '../../all.git/config');
PublicInbox::Import::run_die(\@cmd);
my $dir = "../../git/$i.git/objects";
push @add, $dir if !$alts{$dir} && -d "$pfx/$i.git";
}
- return $git_dir unless @add;
+ return unless @add;
open my $fh, '>>', $alt or die "open >> $alt: $!\n";
foreach my $dir (@add) {
print $fh "$dir\n" or die "print >> $alt: $!\n";
}
close $fh or die "close $alt: $!\n";
+}
+
+sub git_init {
+ my ($self, $epoch) = @_;
+ my $git_dir = "$self->{-inbox}->{mainrepo}/git/$epoch.git";
+ my @cmd = (qw(git init --bare -q), $git_dir);
+ PublicInbox::Import::run_die(\@cmd);
+ fill_alternates($self, $epoch);
$git_dir
}
if (defined $latest) {
my $git = PublicInbox::Git->new($latest);
my $packed_bytes = $git->packed_bytes;
- if ($packed_bytes >= $self->{rotate_bytes}) {
+ my $unpacked_bytes = $packed_bytes / $PACKING_FACTOR;
+
+ if ($unpacked_bytes >= $self->{rotate_bytes}) {
$epoch = $max + 1;
} else {
$self->{epoch_max} = $max;
my $git_dir = git_dir_n($self, $i);
-d $git_dir or next; # missing parts are fine
my $git = PublicInbox::Git->new($git_dir);
- chomp(my $tip = $git->qx('rev-parse', $head));
+ chomp(my $tip = $git->qx(qw(rev-parse -q --verify), $head));
+ next if $?; # new repo
my $range;
if (defined(my $cur = $ranges->[$i])) {
$range = "$cur..$tip";
my $git_dir = git_dir_n($self, $i);
die "already reindexing!\n" if delete $self->{reindex_pipe};
-d $git_dir or next; # missing parts are fine
+ fill_alternates($self, $i);
my $git = PublicInbox::Git->new($git_dir);
my $unindex = delete $self->{"unindex-range.$i"};
$self->unindex($opts, $git, $unindex) if $unindex;
my $fh = $self->{reindex_pipe} = $git->popen(@cmd, $range);
my $cmt;
while (<$fh>) {
+ chomp;
+ $self->{current_info} = "$i.git $_";
if (/\A$x40$/o && !defined($cmt)) {
- chomp($cmt = $_);
+ $cmt = $_;
} elsif (/\A:\d{6} 100644 $x40 ($x40) [AM]\tm$/o) {
$self->reindex_oid($mm_tmp, $D, $git, $1,
$regen, $reindex);