#
# cgit-compatible $REPO/tree/[PATH]?h=$tip redirector
package PublicInbox::RepoTree;
use v5.12;
use PublicInbox::ViewDiff qw(uri_escape_path);
use PublicInbox::GitAsyncCat;
use PublicInbox::WwwStatic qw(r);
use PublicInbox::Qspawn;
use PublicInbox::WwwStream qw(html_oneshot);
use PublicInbox::Hval qw(ascii_html);
sub rd_404_log {
my ($bref, $ctx) = @_;
my $path = $ctx->{-q_value_html} = ascii_html($ctx->{-path});
my $tip = 'HEAD';
$tip = ascii_html($ctx->{qp}->{h}) if defined($ctx->{qp}->{h});
PublicInbox::WwwStream::html_init($ctx);
my $zfh = $ctx->{zfh};
print $zfh "\$ git log -1 $tip -- $path\n";
if ($$bref eq '') {
say $zfh "found no record of `$path' in git history";
$ctx->{-has_srch} and
say $zfh 'perhaps try searching mail (above)';
} else {
my ($H, $h, $s_as) = split(/ /, $$bref, 3);
utf8::decode($s_as);
my $x = uri_escape_path($ctx->{-path});
$s_as = ascii_html($s_as);
print $zfh <$h $s_as
EOM
}
delete($ctx->{-wcb})->($ctx->html_done);
}
sub find_missing {
my ($ctx) = @_;
my $cmd = ['git', "--git-dir=$ctx->{git}->{git_dir}",
qw(log --no-color -1), '--pretty=%H %h %s (%as)' ];
push @$cmd, $ctx->{qp}->{h} if defined($ctx->{qp}->{h});
push @$cmd, '--';
push @$cmd, $ctx->{-path} if $ctx->{-path} ne '';
my $qsp = PublicInbox::Qspawn->new($cmd);
$qsp->psgi_qx($ctx->{env}, undef, \&rd_404_log, $ctx);
}
sub tree_30x { # git check_async callback
my ($oid, $type, $size, $ctx) = @_;
return find_missing($ctx) if $type eq 'missing';
my $wcb = delete $ctx->{-wcb};
my $u = $ctx->{git}->base_url($ctx->{env});
my $path = uri_escape_path(delete $ctx->{-path});
$u .= "$oid/s/?b=$path";
$wcb->([ 302, [ Location => $u, 'Content-Type' => 'text/plain' ],
[ "Redirecting to $u\n" ] ])
}
sub srv_tree {
my ($ctx, $path) = @_;
return if index($path, '//') >= 0 || index($path, '/') == 0;
my $tip = $ctx->{qp}->{h} // 'HEAD';
$ctx->{-upfx} = '../' x (($path =~ tr!/!/!) + 1);
$path =~ s!/\z!!;
my $obj = $ctx->{-obj} = "$tip:$path";
$ctx->{-path} = $path;
# "\n" breaks with `git cat-file --batch-check', and there's no
# legitimate use of "\n" in filenames anyways.
return if index($obj, "\n") >= 0;
sub {
$ctx->{-wcb} = $_[0]; # HTTP::{Chunked,Identity}
if ($ctx->{env}->{'pi-httpd.async'}) {
async_check($ctx, $obj, \&tree_30x, $ctx);
} else {
$ctx->{git}->check_async($obj, \&tree_30x, $ctx);
$ctx->{git}->async_wait_all;
}
};
}
1;