use PublicInbox::Spawn qw(popen_rd spawn run_die);
use File::Path ();
use File::Temp ();
+use File::Spec ();
use Fcntl qw(SEEK_SET O_CREAT O_EXCL O_WRONLY);
use Carp qw(croak);
use URI;
use PublicInbox::LeiCurl;
use PublicInbox::OnDestroy;
-our %LIVE; # pid => callback
+our $LIVE; # pid => callback
sub _wq_done_wait { # dwaitpid callback (via wq_eof)
my ($arg, $pid) = @_;
my $f = "$mrr->{dst}/mirror.done";
if ($?) {
$lei->child_error($?);
- } elsif (!unlink($f)) {
+ } elsif (!$mrr->{dry_run} && !unlink($f)) {
warn("unlink($f): $!\n") unless $!{ENOENT};
} else {
- if ($lei->{cmd} ne 'public-inbox-clone') {
+ if (!$mrr->{dry_run} && $lei->{cmd} ne 'public-inbox-clone') {
# calls _finish_add_external
$lei->lazy_cb('add-external', '_finish_'
)->($lei, $mrr->{dst});
$n => [ URI->new($_), '' ]
} @v2_urls; # uniq
clone_v2($self, \%v2_epochs);
- reap_live() while keys(%LIVE);
+ reap_live() while keys(%$LIVE);
return;
}
my @st = stat($dst);
my $mode = @st ? ($st[2] & 07777) : ($open_mode & ~umask);
chmod($mode, $ft) or croak "E: chmod $fn: $!";
- rename($fn, $dst) or croak "E: rename($fn => $ft): $!";
+ require File::Copy;
+ File::Copy::mv($fn, $dst) or croak "E: mv($fn => $ft): $!";
$ft->unlink_on_destroy(0);
}
my $opt = { 0 => $lei->{0}, 1 => $lei->{1}, 2 => $lei->{2} };
my $cmd = $self->{curl}->for_uri($lei, $uri, qw(--compressed -R -o),
$ft->filename);
- $self->{"-get_txt.$endpoint"} = [ $ft, $cmd, $uri ];
my $jobs = $lei->{opt}->{jobs} // 1;
- reap_live() while keys(%LIVE) >= $jobs;
+ reap_live() while keys(%$LIVE) >= $jobs;
$lei->qerr("# @$cmd");
- $LIVE{spawn($cmd, undef, $opt)} =
+ return if $self->{dry_run};
+ $self->{"-get_txt.$endpoint"} = [ $ft, $cmd, $uri ];
+ $LIVE->{spawn($cmd, undef, $opt)} =
[ \&_get_txt_done, $self, $endpoint, $fini ];
}
sub start_clone {
my ($self, $cmd, $opt, $fini) = @_;
my $jobs = $self->{lei}->{opt}->{jobs} // 1;
- reap_live() while keys(%LIVE) >= $jobs;
+ reap_live() while keys(%$LIVE) >= $jobs;
$self->{lei}->qerr("# @$cmd");
- $LIVE{spawn($cmd, undef, $opt)} = [ \&reap_clone, $self, $cmd, $fini ];
+ return if $self->{dry_run};
+ $LIVE->{spawn($cmd, undef, $opt)} = [ \&reap_clone, $self, $cmd, $fini ]
}
sub clone_v1 {
my $dst = $self->{cur_dst} // $self->{dst};
my $fini = PublicInbox::OnDestroy->new($$, \&v1_done, $self);
my $cmd = [ @$pfx, clone_cmd($lei, my $opt = {}), "$uri", $dst ];
+ my $ref = $self->{-ent} ? $self->{-ent}->{reference} : undef;
+ defined($ref) && -e "$self->{dst}$ref" and
+ push @$cmd, '--reference', "$self->{dst}$ref";
start_clone($self, $cmd, $opt, $fini);
- _get_txt_start($self, '_/text/config/raw', $fini);
+ $lei->{opt}->{'inbox-config'} =~ /\A(?:always|v1)\z/s and
+ _get_txt_start($self, '_/text/config/raw', $fini);
my $d = $self->{-ent} ? $self->{-ent}->{description} : undef;
defined($d) ? ($self->{'txt.description'} = $d) :
_get_txt_start($self, 'description', $fini);
- reap_live() until ($nohang || !keys(%LIVE)); # for non-manifest clone
+ reap_live() until ($nohang || !keys(%$LIVE)); # for non-manifest clone
}
sub parse_epochs ($$) {
}
sub init_placeholder ($$$) {
- my ($src, $edst, $owner) = @_;
+ my ($src, $edst, $ent) = @_;
PublicInbox::Import::init_bare($edst);
my $f = "$edst/config";
open my $fh, '>>', $f or die "open($f): $!";
; will not fetch updates for it unless write permission is added.
; Hint: chmod +w $edst
EOM
- if (defined($owner)) {
+ if (defined($ent->{owner})) {
print $fh <<EOM or die "print($f): $!";
[gitweb]
- owner = $owner
+ owner = $ent->{owner}
EOM
}
- close $fh or die "close:($f): $!";
+ close $fh or die "close($f): $!";
+ if (defined $ent->{head}) {
+ $f = "$edst/HEAD";
+ open $fh, '>', $f or die "open($f): $!";
+ print $fh $ent->{head}, "\n" or die "print($f): $!";
+ close $fh or die "close($f): $!";
+ }
}
sub reap_clone { # async, called via SIGCHLD
my $cerr = $?;
$? = 0; # don't let it influence normal exit
if ($cerr) {
- kill('TERM', keys %LIVE);
+ kill('TERM', keys %$LIVE);
$self->{lei}->child_error($cerr, "@$cmd failed");
}
}
sub v1_done { # called via OnDestroy
my ($self) = @_;
+ return if $self->{dry_run} || !$LIVE;
_write_inbox_config($self);
my $dst = $self->{cur_dst} // $self->{dst};
if (defined(my $o = $self->{-ent} ? $self->{-ent}->{owner} : undef)) {
run_die([qw(git config -f), "$dst/config", 'gitweb.owner', $o]);
}
+ my $o = "$dst/objects";
+ if (open(my $fh, '<', "$o/info/alternates")) {
+ chomp(my @l = <$fh>);
+ for (@l) { $_ = File::Spec->abs2rel($_, $o)."\n" }
+ my $f = File::Temp->new(TEMPLATE => '.XXXX', DIR => "$o/info");
+ print $f @l;
+ $f->flush or die "flush($f): $!";
+ rename($f->filename, "$o/info/alternates") or
+ die "rename($f, $o/info/alternates): $!";
+ $f->unlink_on_destroy(0);
+ }
write_makefile($dst, 1);
index_cloned_inbox($self, 1);
}
sub v2_done { # called via OnDestroy
my ($self) = @_;
+ return if $self->{dry_run} || !$LIVE;
_write_inbox_config($self);
require PublicInbox::MultiGit;
my $dst = $self->{cur_dst} // $self->{dst};
sub reap_live {
my $pid = waitpid(-1, 0) // die "waitpid(-1): $!";
- if (my $x = delete $LIVE{$pid}) {
+ if (my $x = delete $LIVE->{$pid}) {
my $cb = shift @$x;
$cb->(@$x);
} else {
my $o = $m->{$key}->{owner};
push(@{$task->{-owner}}, $edst, $o) if defined($o);
} else { # create a placeholder so users only need to chmod +w
- init_placeholder($src, $edst, $m->{$key}->{owner});
+ init_placeholder($src, $edst, $m->{$key});
push @{$task->{-read_only}}, $edst;
push @skip, $key;
}
# filter out the epochs we skipped
$self->{-culled_manifest} = 1 if delete(@$m{@skip});
- -d $dst || File::Path::mkpath($dst);
+ (!$self->{dry_run} && !-d $dst) and File::Path::mkpath($dst);
+
require PublicInbox::Lock;
my $lk = bless { lock_path => "$dst/inbox.lock" }, 'PublicInbox::Lock';
my $fini = PublicInbox::OnDestroy->new($$, \&v2_done, $task);
- _get_txt_start($task, '_/text/config/raw', $fini);
- _get_txt_start($self, 'description', $fini);
+ $lei->{opt}->{'inbox-config'} =~ /\A(?:always|v2)\z/s and
+ _get_txt_start($task, '_/text/config/raw', $fini);
+
+ _get_txt_start($task, 'description', $fini);
- $task->{-locked} = $lk->lock_for_scope($$);
+ $task->{-locked} = $lk->lock_for_scope($$) if !$self->{dry_run};
my @cmd = clone_cmd($lei, my $opt = {});
while (@src_edst && !$lei->{child_error}) {
my $cmd = [ @$pfx, @cmd, splice(@src_edst, 0, 2) ];
($path_pfx, $n, $ret);
}
+sub clone_all {
+ my ($self, $todo, $m) = @_;
+ # handle no-dependency repos, first
+ for (@{delete($todo->{''}) // []}) {
+ clone_v1($_, 1);
+ return if $self->{lei}->{child_error};
+ }
+ # resolve references, deepest, first:
+ while (scalar keys %$todo) {
+ for my $x (keys %$todo) {
+ # resolve multi-level references
+ while (defined($m->{$x}->{reference})) {
+ $x = $m->{$x}->{reference};
+ }
+ my $y = delete $todo->{$x} // next; # already done
+ for (@$y) {
+ clone_v1($_, 1);
+ return if $self->{lei}->{child_error};
+ }
+ last; # restart %$todo iteration
+ }
+ }
+}
+
# FIXME: this gets confused by single inbox instance w/ global manifest.js.gz
sub try_manifest {
my ($self) = @_;
my $path = $uri->path;
chop($path) eq '/' or die "BUG: $uri not canonicalized";
$uri->path($path . '/manifest.js.gz');
- my $pdir = $lei->rel2abs($self->{dst});
- $pdir =~ s!/[^/]+/?\z!!;
- -d $pdir || File::Path::mkpath($pdir);
- my $ft = File::Temp->new(TEMPLATE => 'm-XXXX',
- UNLINK => 1, DIR => $pdir, SUFFIX => '.tmp');
+ my $ft = File::Temp->new(TEMPLATE => '.manifest-XXXX',
+ UNLINK => 1, TMPDIR => 1, SUFFIX => '.tmp');
my $fn = $ft->filename;
- my ($bn) = ($fn =~ m!/([^/]+)\z!);
- my $cmd = $curl->for_uri($lei, $uri, '-R', '-o', $bn);
- my $opt = { -C => $pdir };
- $opt->{$_} = $lei->{$_} for (0..2);
- my $cerr = run_reap($lei, $cmd, $opt);
- local %LIVE;
+ my $cmd = $curl->for_uri($lei, $uri, '-R', '-o', $fn);
+ my %opt = map { $_ => $lei->{$_} } (0..2);
+ my $cerr = run_reap($lei, $cmd, \%opt);
+ local $LIVE;
if ($cerr) {
return try_scrape($self) if ($cerr >> 8) == 22; # 404 missing
return $lei->child_error($cerr, "@$cmd failed");
my $p = $path_pfx.$path;
chop($p) if substr($p, -1, 1) eq '/';
$uri->path($p);
+ my $todo = {};
+ my %want = map { $_ => 1 } @$v1;
for my $name (@$v1) {
- return if $self->{lei}->{child_error};
-
my $task = bless { %$self }, __PACKAGE__;
$task->{-ent} = $m->{$name} //
die("BUG: no `$name' in manifest");
E: `$task->{cur_dst}' must not contain newline
EOM
$task->{cur_src} .= '/';
- clone_v1($task, 1);
+ my $dep = $task->{-ent}->{reference} // '';
+ $dep = '' if !$want{$dep};
+ push @{$todo->{$dep}}, $task;
}
+ clone_all($self, $todo, $m);
}
- reap_live() while keys(%LIVE);
- return if $self->{lei}->{child_error};
+ reap_live() while keys(%$LIVE);
+ return if $self->{lei}->{child_error} || $self->{dry_run};
if (delete $self->{-culled_manifest}) { # set by clone_v2/-I/--exclude
# write the smaller manifest if epochs were skipped so
die "TODO: non-HTTP/HTTPS clone of $self->{src} not supported, yet";
}
-sub do_mirror { # via wq_io_do
+sub do_mirror { # via wq_io_do or public-inbox-clone
my ($self) = @_;
my $lei = $self->{lei};
umask($lei->{client_umask}) if defined $lei->{client_umask};
eval {
+ my $ic = $lei->{opt}->{'inbox-config'} //= 'always';
+ $ic =~ /\A(?:v1|v2|always|never)\z/s or die <<"";
+--inbox-config must be one of `always', `v2', `v1', or `never'
+
my $iv = $lei->{opt}->{'inbox-version'};
if (defined $iv) {
- local %LIVE;
+ local $LIVE;
return clone_v1($self) if $iv == 1;
return try_scrape($self) if $iv == 2;
die "bad --inbox-version=$iv\n";