X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FCgit.pm;h=cc729aa286f4bf126de8f7093dab1c37d0b480a2;hb=29c85048380d8b7a9cbfd632610740153fccc555;hp=3d1a0d54879739be91ec342ce933b7b4d9e25097;hpb=7f9cf4cbf5920591a955035555c2969d7d29af66;p=public-inbox.git

diff --git a/lib/PublicInbox/Cgit.pm b/lib/PublicInbox/Cgit.pm
index 3d1a0d54..cc729aa2 100644
--- a/lib/PublicInbox/Cgit.pm
+++ b/lib/PublicInbox/Cgit.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>
 
 # wrapper for cgit(1) and git-http-backend(1) for browsing and
@@ -8,37 +8,74 @@
 package PublicInbox::Cgit;
 use strict;
 use PublicInbox::GitHTTPBackend;
+use PublicInbox::Git;
 # not bothering with Exporter for a one-off
-*r = *PublicInbox::GitHTTPBackend::r;
-*input_prepare = *PublicInbox::GitHTTPBackend::input_prepare;
-*parse_cgi_headers = *PublicInbox::GitHTTPBackend::parse_cgi_headers;
-*serve = *PublicInbox::GitHTTPBackend::serve;
-use warnings;
+*input_prepare = \&PublicInbox::GitHTTPBackend::input_prepare;
+*serve = \&PublicInbox::GitHTTPBackend::serve;
 use PublicInbox::Qspawn;
+use PublicInbox::WwwStatic qw(r);
 
-sub new {
-	my ($class, $pi_config) = @_;
-	my $cgit_bin = $pi_config->{'publicinbox.cgitbin'} ||
-		# Debian default location:
-		'/usr/lib/cgit/cgit.cgi';
+sub locate_cgit ($) {
+	my ($pi_cfg) = @_;
+	my $cgit_bin = $pi_cfg->{'publicinbox.cgitbin'};
+	my $cgit_data = $pi_cfg->{'publicinbox.cgitdata'};
+
+	# /var/www/htdocs/cgit is the default install path from cgit.git
+	# /usr/{lib,share}/cgit is where Debian puts cgit
+	# TODO: check other distros for common paths
+	unless (defined $cgit_bin) {
+		foreach (qw(/var/www/htdocs/cgit /usr/lib/cgit)) {
+			my $x = "$_/cgit.cgi";
+			next unless -x $x;
+			$cgit_bin = $x;
+			last;
+		}
+	}
+	unless (defined $cgit_data) {
+		my @dirs = qw(/var/www/htdocs/cgit /usr/share/cgit);
 
+		# local installs of cgit from source have
+		# CGIT_SCRIPT_PATH==CGIT_DATA_PATH by default,
+		# so we can usually infer the cgit_data path from cgit_bin
+		if (defined($cgit_bin) && $cgit_bin =~ m!\A(.+?)/[^/]+\z!) {
+			unshift @dirs, $1 if -d $1;
+		}
+		foreach my $d (@dirs) {
+			my $f = "$d/cgit.css";
+			next unless -f $f;
+			$cgit_data = $d;
+			last;
+		}
+	}
+	($cgit_bin, $cgit_data);
+}
+
+sub new {
+	my ($class, $pi_cfg) = @_;
+	my ($cgit_bin, $cgit_data) = locate_cgit($pi_cfg);
+	# TODO: support gitweb and other repository viewers?
+	if (defined(my $cgitrc = $pi_cfg->{-cgitrc_unparsed})) {
+		$pi_cfg->parse_cgitrc($cgitrc, 0);
+	}
 	my $self = bless {
 		cmd => [ $cgit_bin ],
-		pi_config => $pi_config,
+		cgit_data => $cgit_data,
+		pi_cfg => $pi_cfg,
 	}, $class;
 
-	$pi_config->each_inbox(sub {}); # fill in -code_repos mapped to inboxes
-
 	# some cgit repos may not be mapped to inboxes, so ensure those exist:
-	my $code_repos = $pi_config->{-code_repos};
-	foreach my $k (keys %$pi_config) {
+	my $code_repos = $pi_cfg->{-code_repos};
+	foreach my $k (keys %$pi_cfg) {
 		$k =~ /\Acoderepo\.(.+)\.dir\z/ or next;
-		my $dir = $pi_config->{$k};
-		$code_repos->{$1} ||= PublicInbox::Git->new($dir);
+		my $dir = $pi_cfg->{$k};
+		$code_repos->{$1} ||= $pi_cfg->fill_code_repo($1);
 	}
 	while (my ($nick, $repo) = each %$code_repos) {
 		$self->{"\0$nick"} = $repo;
 	}
+	my $cgit_static = $pi_cfg->{-cgit_static};
+	my $static = join('|', map { quotemeta $_ } keys %$cgit_static);
+	$self->{static} = qr/\A($static)\z/;
 	$self;
 }
 
@@ -56,16 +93,23 @@ my @PASS_ENV = qw(
 );
 # XXX: cgit filters may care about more variables...
 
+my $parse_cgi_headers = \&PublicInbox::GitHTTPBackend::parse_cgi_headers;
+
 sub call {
 	my ($self, $env) = @_;
 	my $path_info = $env->{PATH_INFO};
+	my $cgit_data;
 
 	# handle requests without spawning cgit iff possible:
 	if ($path_info =~ m!\A/(.+?)/($PublicInbox::GitHTTPBackend::ANY)\z!ox) {
 		my ($nick, $path) = ($1, $2);
-		if (my $git = $self->{"\0$nick"}) {
+		if (my PublicInbox::Git $git = $self->{"\0$nick"}) {
 			return serve($env, $git, $path);
 		}
+	} elsif ($path_info =~ m!$self->{static}! &&
+		 defined($cgit_data = $self->{cgit_data})) {
+		my $f = $cgit_data.$1; # {static} only matches leading slash
+		return PublicInbox::WwwStatic::response($env, [], $f);
 	}
 
 	my $cgi_env = { PATH_INFO => $path_info };
@@ -77,11 +121,8 @@ sub call {
 
 	my $rdr = input_prepare($env) or return r(500);
 	my $qsp = PublicInbox::Qspawn->new($self->{cmd}, $cgi_env, $rdr);
-	$qsp->psgi_return($env, undef, sub {
-		my ($r, $bref) = @_;
-		my $res = parse_cgi_headers($r, $bref) or return; # incomplete
-		$res;
-	});
+	my $limiter = $self->{pi_cfg}->limiter('-cgit');
+	$qsp->psgi_return($env, $limiter, $parse_cgi_headers);
 }
 
 1;