2 # Copyright (C) 2018-2019 all contributors <meta@public-inbox.org>
3 # License: AGPL-3.0+ <http://www.gnu.org/licenses/agpl-3.0.txt>
6 use Getopt::Long qw(:config gnu_getopt no_ignore_case auto_abbrev);
7 use PublicInbox::InboxWritable;
8 use PublicInbox::Config;
9 use PublicInbox::V2Writable;
11 use PublicInbox::Spawn qw(spawn);
13 use File::Copy 'cp'; # preserves permissions:
14 my $usage = "Usage: public-inbox-convert OLD NEW\n";
18 '--jobs|j=i' => \$jobs,
19 '--index!' => \$index,
21 GetOptions(%opts) or die "bad command-line args\n$usage";
22 my $old_dir = shift or die $usage;
23 my $new_dir = shift or die $usage;
24 die "$new_dir exists\n" if -d $new_dir;
25 die "$old_dir not a directory\n" unless -d $old_dir;
26 my $config = eval { PublicInbox::Config->new };
27 $old_dir = abs_path($old_dir);
30 $config->each_inbox(sub {
31 $old = $_[0] if abs_path($_[0]->{inboxdir}) eq $old_dir;
35 warn "W: $old_dir not configured in " .
36 PublicInbox::Config::default_file() . "\n";
40 address => [ 'old@example.com' ],
42 $old = PublicInbox::Inbox->new($old);
44 $old = PublicInbox::InboxWritable->new($old);
45 if ($old->version >= 2) {
46 die "Only conversion from v1 inboxes is supported\n";
49 $new->{inboxdir} = abs_path($new_dir);
51 $new = PublicInbox::InboxWritable->new($new);
55 sub link_or_copy ($$) {
57 link($src, $dst) and return;
58 $!{EXDEV} or warn "link $src, $dst failed: $!, trying cp\n";
59 cp($src, $dst) or die "cp $src, $dst failed: $!\n";
62 $old->with_umask(sub {
63 my $old_cfg = "$old->{inboxdir}/config";
64 local $ENV{GIT_CONFIG} = $old_cfg;
65 my $new_cfg = "$new->{inboxdir}/all.git/config";
66 $v2w = PublicInbox::V2Writable->new($new, 1);
67 $v2w->init_inbox($jobs);
69 link_or_copy($old_cfg, $new_cfg);
70 if (my $alt = $new->{altid}) {
71 require PublicInbox::AltId;
72 foreach my $i (0..$#$alt) {
73 my $src = PublicInbox::AltId->new($old, $alt->[$i], 0);
75 my $dst = PublicInbox::AltId->new($new, $alt->[$i], 1);
76 $dst = $dst->{filename};
77 $src->mm_alt->{dbh}->sqlite_backup_to_file($dst);
80 my $desc = "$old->{inboxdir}/description";
81 link_or_copy($desc, "$new->{inboxdir}/description") if -e $desc;
82 my $clone = "$old->{inboxdir}/cloneurl";
85 $clone may not be valid after migrating to v2, not copying
91 my $head = $old->{ref_head} || 'HEAD';
92 my ($rd, $pid) = $old->git->popen(qw(fast-export --use-done-feature), $head);
94 my $im = $v2w->importer;
95 my ($r, $w) = $im->gfi_start;
100 if ($_ eq "blob\n") {
102 } elsif (/^commit /) {
104 } elsif (/^data ([0-9]+)/) {
106 $w->print($_) or $im->wfail;
108 my $n = read($rd, my $tmp, $len) or die "read: $!";
109 warn "$n != $len\n" if $n != $len;
111 $w->print($tmp) or $im->wfail;
114 } elsif ($state eq 'commit') {
115 if (m{^M 100644 :([0-9]+) (${h}{2}/${h}{38})}o) {
116 my ($mark, $path) = ($1, $2);
118 if ($last && $last ne 'm') {
119 $w->print("D $last\n") or $im->wfail;
121 $w->print("M 100644 :$mark m\n") or $im->wfail;
125 if (m{^D (${h}{2}/${h}{38})}o) {
126 my $mark = delete $D{$1};
127 defined $mark or die "undeleted path: $1\n";
128 if ($last && $last ne 'd') {
129 $w->print("D $last\n") or $im->wfail;
131 $w->print("M 100644 :$mark d\n") or $im->wfail;
135 if (m{^from (:[0-9]+)}) {
141 last if $_ eq "done\n";
142 $w->print($_) or $im->wfail;
145 close $rd or die "close fast-export: $!\n";
146 waitpid($pid, 0) or die "waitpid failed: $!\n";
147 $? == 0 or die "fast-export failed: $?\n";
149 if (my $mm = $old->mm) {
151 $mm->{dbh}->sqlite_backup_to_file("$new_dir/msgmap.sqlite3");
153 # we want to trigger a reindex, not a from scratch index if
154 # we're reusing the msgmap from an existing v1 installation.
156 my $epoch0 = PublicInbox::Git->new($v2w->git_init(0));
157 chop(my $cmt = $epoch0->qx(qw(rev-parse --verify), $head));
158 $v2w->last_epoch_commit(0, $cmt);
161 $v2w->index_sync({reindex => 1});