X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FViewVCS.pm;h=3cbc363b9d113b4b811af9d1acc121e03ad9f5cd;hb=f658918dcc5200b563beea6e1ea3411e89726cb4;hp=a6dbb9a9080eba3fd197d10599c74287f302241a;hpb=bc23e3dc4b252dc7e9b6f3824afe74d85456b689;p=public-inbox.git

diff --git a/lib/PublicInbox/ViewVCS.pm b/lib/PublicInbox/ViewVCS.pm
index a6dbb9a9..3cbc363b 100644
--- a/lib/PublicInbox/ViewVCS.pm
+++ b/lib/PublicInbox/ViewVCS.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2019 all contributors <meta@public-inbox.org>
+# Copyright (C) 2019-2021 all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 
 # show any VCS object, similar to "git show"
@@ -15,10 +15,9 @@
 
 package PublicInbox::ViewVCS;
 use strict;
-use warnings;
-use bytes (); # only for bytes::length
+use v5.10.1;
 use PublicInbox::SolverGit;
-use PublicInbox::WwwStream;
+use PublicInbox::WwwStream qw(html_oneshot);
 use PublicInbox::Linkify;
 use PublicInbox::Tmpfile;
 use PublicInbox::Hval qw(ascii_html to_filename);
@@ -27,21 +26,15 @@ my $hl = eval {
 	PublicInbox::HlMod->new;
 };
 
-my %QP_MAP = ( A => 'oid_a', B => 'oid_b', a => 'path_a', b => 'path_b' );
+my %QP_MAP = ( A => 'oid_a', a => 'path_a', b => 'path_b' );
 our $MAX_SIZE = 1024 * 1024; # TODO: configurable
 my $BIN_DETECT = 8000; # same as git
 
-sub html_i { # WwwStream::getline callback
-	my ($nr, $ctx) =  @_;
-	$nr == 1 ? ${delete $ctx->{rv}} : undef;
-}
-
 sub html_page ($$$) {
 	my ($ctx, $code, $strref) = @_;
 	my $wcb = delete $ctx->{-wcb};
 	$ctx->{-upfx} = '../../'; # from "/$INBOX/$OID/s/"
-	$ctx->{rv} = $strref;
-	my $res = PublicInbox::WwwStream->response($ctx, $code, \&html_i);
+	my $res = html_oneshot($ctx, $code, $strref);
 	$wcb ? $wcb->($res) : $res;
 }
 
@@ -55,15 +48,16 @@ sub stream_blob_parse_hdr { # {parse_hdr} for Qspawn
 	} elsif (index($$bref, "\0") >= 0) {
 		[200, [qw(Content-Type application/octet-stream), @cl] ];
 	} else {
-		my $n = bytes::length($$bref);
+		my $n = length($$bref);
 		if ($n >= $BIN_DETECT || $n == $size) {
 			return [200, [ 'Content-Type',
 				'text/plain; charset=UTF-8', @cl ] ];
 		}
 		if ($r == 0) {
-			warn "premature EOF on $oid $$logref\n";
+			warn "premature EOF on $oid $$logref";
 			return html_page($ctx, 500, $logref);
 		}
+		@$ctx{qw(-res -logref)} = ($res, $logref);
 		undef; # bref keeps growing
 	}
 }
@@ -90,8 +84,7 @@ sub show_other_result ($$) {
 	}
 	my $l = PublicInbox::Linkify->new;
 	utf8::decode($$bref);
-	$l->linkify_1($$bref);
-	$$bref = '<pre>'. $l->linkify_2(ascii_html($$bref));
+	$$bref = '<pre>'. $l->to_html($$bref);
 	$$bref .= '</pre><hr>' . $$logref;
 	html_page($ctx, 200, $bref);
 }
@@ -112,27 +105,28 @@ sub show_other ($$$$) {
 	$qsp->psgi_qx($env, undef, \&show_other_result, $ctx);
 }
 
+# user_cb for SolverGit, called as: user_cb->($result_or_error, $uarg)
 sub solve_result {
-	my ($ctx, $res, $log, $hints, $fn) = @_;
+	my ($res, $ctx) = @_;
+	my ($log, $hints, $fn) = delete @$ctx{qw(log hints fn)};
 
 	unless (seek($log, 0, 0)) {
-		$ctx->{env}->{'psgi.errors'}->print("seek(log): $!\n");
+		warn "seek(log): $!";
 		return html_page($ctx, 500, \'seek error');
 	}
 	$log = do { local $/; <$log> };
 
 	my $ref = ref($res);
 	my $l = PublicInbox::Linkify->new;
-	$l->linkify_1($log);
 	$log = '<pre>debug log:</pre><hr /><pre>' .
-		$l->linkify_2(ascii_html($log)) . '</pre>';
+		$l->to_html($log) . '</pre>';
 
 	$res or return html_page($ctx, 404, \$log);
 	$ref eq 'ARRAY' or return html_page($ctx, 500, \$log);
 
 	my ($git, $oid, $type, $size, $di) = @$res;
 	return show_other($ctx, $res, \$log, $fn) if $type ne 'blob';
-	my $path = to_filename($di->{path_b} || $hints->{path_b} || 'blob');
+	my $path = to_filename($di->{path_b} // $hints->{path_b} // 'blob');
 	my $raw_link = "(<a\nhref=$path>raw</a>)";
 	if ($size > $MAX_SIZE) {
 		return stream_large_blob($ctx, $res, \$log, $fn) if defined $fn;
@@ -144,7 +138,7 @@ sub solve_result {
 	my $blob = $git->cat_file($oid);
 	if (!$blob) { # WTF?
 		my $e = "Failed to retrieve generated blob ($oid)";
-		$ctx->{env}->{'psgi.errors'}->print("$e ($git->{git_dir})\n");
+		warn "$e ($git->{git_dir})";
 		$log = "<pre><b>$e</b></pre>" . $log;
 		return html_page($ctx, 500, \$log);
 	}
@@ -164,7 +158,7 @@ sub solve_result {
 
 	# TODO: detect + convert to ensure validity
 	utf8::decode($$blob);
-	my $nl = ($$blob =~ tr/\n/\n/);
+	my $nl = ($$blob =~ s/\r?\n/\n/sg);
 	my $pad = length($nl);
 
 	$l->linkify_1($$blob);
@@ -189,24 +183,25 @@ sub solve_result {
 	html_page($ctx, 200, \$log);
 }
 
+# GET /$INBOX/$GIT_OBJECT_ID/s/
+# GET /$INBOX/$GIT_OBJECT_ID/s/$FILENAME
 sub show ($$;$) {
 	my ($ctx, $oid_b, $fn) = @_;
 	my $qp = $ctx->{qp};
-	my $hints = {};
+	my $hints = $ctx->{hints} = {};
 	while (my ($from, $to) = each %QP_MAP) {
 		defined(my $v = $qp->{$from}) or next;
-		$hints->{$to} = $v;
+		$hints->{$to} = $v if $v ne '';
 	}
 
-	my $log = tmpfile("solve.$oid_b");
-	my $solver = PublicInbox::SolverGit->new($ctx->{-inbox}, sub {
-		solve_result($ctx, $_[0], $log, $hints, $fn);
-	});
-
-	# PSGI server will call this and give us a callback
+	$ctx->{'log'} = tmpfile("solve.$oid_b") // die "tmpfile: $!";
+	$ctx->{fn} = $fn;
+	my $solver = PublicInbox::SolverGit->new($ctx->{ibx},
+						\&solve_result, $ctx);
+	# PSGI server will call this immediately and give us a callback (-wcb)
 	sub {
 		$ctx->{-wcb} = $_[0]; # HTTP write callback
-		$solver->solve($ctx->{env}, $log, $oid_b, $hints);
+		$solver->solve($ctx->{env}, $ctx->{log}, $oid_b, $hints);
 	};
 }