use PublicInbox::MsgTime qw(msg_timestamp msg_datestamp);
use PublicInbox::ContentId qw(content_digest);
use PublicInbox::MDA;
+use POSIX qw(strftime);
sub new {
my ($class, $git, $name, $email, $ibx) = @_;
$self->lock_acquire;
local $/ = "\n";
- chomp($self->{tip} = $git->qx(qw(rev-parse --revs-only), $self->{ref}));
+ my $ref = $self->{ref};
+ chomp($self->{tip} = $git->qx(qw(rev-parse --revs-only), $ref));
+ if ($self->{path_type} ne '2/38' && $self->{tip}) {
+ local $/ = "\0";
+ my @tree = $git->qx(qw(ls-tree -r -z --name-only), $ref);
+ chomp @tree;
+ $self->{-tree} = { map { $_ => 1 } @tree };
+ }
my $git_dir = $git->{git_dir};
my @cmd = ('git', "--git-dir=$git_dir", qw(fast-import
$info =~ /\Amissing / ? undef : $info;
}
-sub check_remove_v1 {
- my ($r, $w, $tip, $path, $mime) = @_;
-
- my $info = _check_path($r, $w, $tip, $path) or return ('MISSING',undef);
- $info =~ m!\A100644 blob ([a-f0-9]{40})\t!s or die "not blob: $info";
- my $blob = $1;
-
- print $w "cat-blob $blob\n" or wfail;
+sub _cat_blob ($$$) {
+ my ($r, $w, $oid) = @_;
+ print $w "cat-blob $oid\n" or wfail;
local $/ = "\n";
- $info = <$r>;
+ my $info = <$r>;
defined $info or die "EOF from fast-import / cat-blob: $!";
- $info =~ /\A[a-f0-9]{40} blob (\d+)\n\z/ or
- die "unexpected cat-blob response: $info";
+ $info =~ /\A[a-f0-9]{40} blob (\d+)\n\z/ or return;
my $left = $1;
my $offset = 0;
my $buf = '';
$n = read($r, my $lf, 1);
defined($n) or die "read final byte of cat-blob failed: $!";
die "bad read on final byte: <$lf>" if $lf ne "\n";
- my $cur = PublicInbox::MIME->new(\$buf);
+
+ # fixup some bugginess in old versions:
+ $buf =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s;
+ \$buf;
+}
+
+sub cat_blob {
+ my ($self, $oid) = @_;
+ my ($r, $w) = $self->gfi_start;
+ _cat_blob($r, $w, $oid);
+}
+
+sub check_remove_v1 {
+ my ($r, $w, $tip, $path, $mime) = @_;
+
+ my $info = _check_path($r, $w, $tip, $path) or return ('MISSING',undef);
+ $info =~ m!\A100644 blob ([a-f0-9]{40})\t!s or die "not blob: $info";
+ my $oid = $1;
+ my $msg = _cat_blob($r, $w, $oid) or die "BUG: cat-blob $1 failed";
+ my $cur = PublicInbox::MIME->new($msg);
my $cur_s = $cur->header('Subject');
$cur_s = '' unless defined $cur_s;
my $cur_m = $mime->header('Subject');
my ($r, $w) = $self->gfi_start;
print $w "get-mark $mark\n" or wfail;
defined(my $oid = <$r>) or die "get-mark failed, need git 2.6.0+\n";
+ chomp($oid);
$oid;
}
if (defined $path) {
print $w "D $path\n\n" or wfail;
} else {
- print $w "M 100644 :$blob _/D\n\n" or wfail;
+ clean_tree_v2($self, $w, 'd');
+ print $w "M 100644 :$blob d\n\n" or wfail;
}
$self->{nchg}++;
(($self->{tip} = ":$commit"), $cur);
my $mids = mids($hdr);
if (!scalar(@$mids)) { # spam often has no Message-Id
- my $mid0 = digest2mid(content_digest($mime));
+ my $mid0 = digest2mid(content_digest($mime), $hdr);
append_mid($hdr, $mid0);
return $mid0;
}
$mids->[0];
}
+sub clean_tree_v2 ($$$) {
+ my ($self, $w, $keep) = @_;
+ my $tree = $self->{-tree} or return; #v2 only
+ delete $tree->{$keep};
+ foreach (keys %$tree) {
+ print $w "D $_\n" or wfail;
+ }
+ %$tree = ($keep => 1);
+}
# returns undef on duplicate
# returns the :MARK of the most recent commit
# v2: we need this for Xapian
if ($self->{want_object_info}) {
- chomp(my $oid = $self->get_mark(":$blob"));
+ my $oid = $self->get_mark(":$blob");
$self->{last_object} = [ $oid, $n, \$str ];
}
my $ref = $self->{ref};
if ($tip ne '') {
print $w 'from ', ($parent ? $parent : $tip), "\n" or wfail;
}
+ clean_tree_v2($self, $w, $path);
print $w "M 100644 :$blob $path\n\n" or wfail;
$self->{nchg}++;
$self->{tip} = ":$commit";
}
-sub run_die ($;$) {
- my ($cmd, $env) = @_;
- my $pid = spawn($cmd, $env, undef);
+sub run_die ($;$$) {
+ my ($cmd, $env, $rdr) = @_;
+ my $pid = spawn($cmd, $env, $rdr);
defined $pid or die "spawning ".join(' ', @$cmd)." failed: $!";
waitpid($pid, 0) == $pid or die join(' ', @$cmd) .' did not finish';
$? == 0 or die join(' ', @$cmd) . " failed: $?\n";
}
}
-sub digest2mid ($) {
- my ($dig) = @_;
+sub digest2mid ($$) {
+ my ($dig, $hdr) = @_;
my $b64 = $dig->clone->b64digest;
# Make our own URLs nicer:
# See "Base 64 Encoding with URL and Filename Safe Alphabet" in RFC4648
$b64 =~ tr!+/=!-_!d;
- # We can make this more meaningful with a date prefix or other things,
- # but this is only needed for crap that fails to generate a Message-ID
- # or reuses one. In other words, it's usually spammers who hit this
- # so they don't deserve nice Message-IDs :P
- $b64 . '@localhost';
+ # Add a date prefix to prevent a leading '-' in case that trips
+ # up some tools (e.g. if a Message-ID were a expected as a
+ # command-line arg)
+ my $dt = msg_datestamp($hdr);
+ $dt = POSIX::strftime('%Y%m%d%H%M%S', gmtime($dt));
+ "$dt.$b64" . '@z';
}
sub clean_purge_buffer {
- my ($oid, $buf) = @_;
- my $cmt_msg = "purged $oid\n";
+ my ($oids, $buf) = @_;
+ my $cmt_msg = 'purged '.join(' ',@$oids)."\n";
+ @$oids = ();
foreach my $i (0..$#$buf) {
my $l = $buf->[$i];
my ($r, $w) = $self->gfi_start;
my @buf;
my $npurge = 0;
+ my @oids;
+ my ($done, $mark);
+ my $tree = $self->{-tree};
while (<$rd>) {
if (/^reset (?:.+)/) {
push @buf, "reset $tmp\n";
my $n = read($rd, my $buf, $len) or die "read: $!";
$len == $n or die "short read ($n < $len)";
push @buf, $buf;
- } elsif (/^M 100644 ([a-f0-9]+) /) {
- my $oid = $1;
+ } elsif (/^M 100644 ([a-f0-9]+) (\w+)/) {
+ my ($oid, $path) = ($1, $2);
if ($purge->{$oid}) {
- my $lf = <$rd>;
- if ($lf eq "\n") {
- my $out = join('', @buf);
- $out =~ s/^/# /sgm;
- warn "purge rewriting\n", $out, "\n";
- clean_purge_buffer($oid, \@buf);
- $out = join('', @buf);
- $w->print(@buf, "\n") or wfail;
- @buf = ();
- $npurge++;
- } else {
- die "expected LF: $lf\n";
- }
+ push @oids, $oid;
+ delete $tree->{$path};
} else {
+ $tree->{$path} = 1;
push @buf, $_;
}
+ } elsif (/^D (\w+)/) {
+ my $path = $1;
+ push @buf, $_ if $tree->{$path};
+ } elsif ($_ eq "\n") {
+ if (@oids) {
+ my $out = join('', @buf);
+ $out =~ s/^/# /sgm;
+ warn "purge rewriting\n", $out, "\n";
+ clean_purge_buffer(\@oids, \@buf);
+ $npurge++;
+ }
+ $w->print(@buf, "\n") or wfail;
+ @buf = ();
+ } elsif ($_ eq "done\n") {
+ $done = 1;
+ } elsif (/^mark :(\d+)$/) {
+ push @buf, $_;
+ $mark = $1;
} else {
push @buf, $_;
}
if (@buf) {
$w->print(@buf) or wfail;
}
- $w = $r = undef;
+ die 'done\n not seen from fast-export' unless $done;
+ chomp(my $cmt = $self->get_mark(":$mark")) if $npurge;
+ $self->{nchg} = 0; # prevent _update_git_info until update-ref:
$self->done;
my @git = ('git', "--git-dir=$git->{git_dir}");
$err++;
}
}
+ _update_git_info($self, 0);
die "Failed to purge $err object(s)\n" if $err;
+ $cmt;
}
1;