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);
8 use PublicInbox::InboxWritable;
9 use PublicInbox::Config;
10 use PublicInbox::V2Writable;
11 use PublicInbox::Import;
12 use PublicInbox::Spawn qw(spawn);
14 use File::Copy 'cp'; # preserves permissions:
15 my $usage = "Usage: public-inbox-convert OLD NEW\n";
19 '--jobs|j=i' => \$jobs,
20 '--index!' => \$index,
22 GetOptions(%opts) or die "bad command-line args\n$usage";
23 my $old_dir = shift or die $usage;
24 my $new_dir = shift or die $usage;
25 die "$new_dir exists\n" if -d $new_dir;
26 die "$old_dir not a directory\n" unless -d $old_dir;
27 my $config = eval { PublicInbox::Config->new };
28 $old_dir = abs_path($old_dir);
31 $config->each_inbox(sub {
32 $old = $_[0] if abs_path($_[0]->{inboxdir}) eq $old_dir;
36 warn "W: $old_dir not configured in " .
37 PublicInbox::Config::default_file() . "\n";
41 address => [ 'old@example.com' ],
43 $old = PublicInbox::Inbox->new($old);
45 $old = PublicInbox::InboxWritable->new($old);
46 if (($old->{version} || 1) >= 2) {
47 die "Only conversion from v1 inboxes is supported\n";
50 $new->{inboxdir} = abs_path($new_dir);
52 $new = PublicInbox::InboxWritable->new($new);
56 sub link_or_copy ($$) {
58 link($src, $dst) and return;
59 $!{EXDEV} or warn "link $src, $dst failed: $!, trying cp\n";
60 cp($src, $dst) or die "cp $src, $dst failed: $!\n";
63 $old->with_umask(sub {
64 my $old_cfg = "$old->{inboxdir}/config";
65 local $ENV{GIT_CONFIG} = $old_cfg;
66 my $new_cfg = "$new->{inboxdir}/all.git/config";
67 $v2w = PublicInbox::V2Writable->new($new, 1);
68 $v2w->init_inbox($jobs);
70 link_or_copy($old_cfg, $new_cfg);
71 if (my $alt = $new->{altid}) {
72 require PublicInbox::AltId;
73 foreach my $i (0..$#$alt) {
74 my $src = PublicInbox::AltId->new($old, $alt->[$i], 0);
76 my $dst = PublicInbox::AltId->new($new, $alt->[$i], 1);
77 $dst = $dst->{filename};
78 $src->mm_alt->{dbh}->sqlite_backup_to_file($dst);
81 my $desc = "$old->{inboxdir}/description";
82 link_or_copy($desc, "$new->{inboxdir}/description") if -e $desc;
83 my $clone = "$old->{inboxdir}/cloneurl";
86 $clone may not be valid after migrating to v2, not copying
92 my $head = $old->{ref_head} || 'HEAD';
93 my ($rd, $pid) = $old->git->popen(qw(fast-export --use-done-feature), $head);
95 my $im = $v2w->importer;
96 my ($r, $w) = $im->gfi_start;
101 if ($_ eq "blob\n") {
103 } elsif (/^commit /) {
105 } elsif (/^data ([0-9]+)/) {
107 $w->print($_) or $im->wfail;
109 my $n = read($rd, my $tmp, $len) or die "read: $!";
110 warn "$n != $len\n" if $n != $len;
112 $w->print($tmp) or $im->wfail;
115 } elsif ($state eq 'commit') {
116 if (m{^M 100644 :([0-9]+) (${h}{2}/${h}{38})}o) {
117 my ($mark, $path) = ($1, $2);
119 if ($last && $last ne 'm') {
120 $w->print("D $last\n") or $im->wfail;
122 $w->print("M 100644 :$mark m\n") or $im->wfail;
126 if (m{^D (${h}{2}/${h}{38})}o) {
127 my $mark = delete $D{$1};
128 defined $mark or die "undeleted path: $1\n";
129 if ($last && $last ne 'd') {
130 $w->print("D $last\n") or $im->wfail;
132 $w->print("M 100644 :$mark d\n") or $im->wfail;
136 if (m{^from (:[0-9]+)}) {
142 last if $_ eq "done\n";
143 $w->print($_) or $im->wfail;
146 close $rd or die "close fast-export: $!\n";
147 waitpid($pid, 0) or die "waitpid failed: $!\n";
148 $? == 0 or die "fast-export failed: $?\n";
150 $mm->{dbh}->sqlite_backup_to_file("$new_dir/msgmap.sqlite3") if $mm;