-# Copyright (C) 2014, Eric Wong <normalperson@yhbt.net> and all contributors
+# Copyright (C) 2014-2015 all contributors <meta@public-inbox.org>
# License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
+#
+# Used throughout the project for reading configuration
package PublicInbox::Config;
use strict;
use warnings;
+use base qw/Exporter/;
+our @EXPORT_OK = qw/try_cat/;
+require PublicInbox::Inbox;
use File::Path::Expand qw/expand_filename/;
# returns key-value pairs of config directives in a hash
+# if keys may be multi-value, the value is an array ref containing all values
sub new {
my ($class, $file) = @_;
-
- local $ENV{GIT_CONFIG} = defined $file ? $file : default_file();
-
- my @cfg = `git config -l`;
- $? == 0 or die "git config -l failed: $?\n";
- chomp @cfg;
- my %rv = map { split(/=/, $_, 2) } @cfg;
- bless \%rv, $class;
+ $file = default_file() unless defined($file);
+ my $self = bless git_config_dump($file), $class;
+ $self->{-by_addr} = {};
+ $self->{-by_name} = {};
+ $self;
}
sub lookup {
my ($self, $recipient) = @_;
my $addr = lc($recipient);
+ my $inbox = $self->{-by_addr}->{$addr};
+ return $inbox if $inbox;
+
my $pfx;
foreach my $k (keys %$self) {
- $k =~ /\A(publicinbox\.[A-Z0-9a-z-]+)\.address\z/ or next;
- (lc($self->{$k}) eq $addr) or next;
- $pfx = $1;
- last;
+ $k =~ /\A(publicinbox\.[\w-]+)\.address\z/ or next;
+ my $v = $self->{$k};
+ if (ref($v) eq "ARRAY") {
+ foreach my $alias (@$v) {
+ (lc($alias) eq $addr) or next;
+ $pfx = $1;
+ last;
+ }
+ } else {
+ (lc($v) eq $addr) or next;
+ $pfx = $1;
+ last;
+ }
}
-
defined $pfx or return;
+ _fill($self, $pfx);
+}
- my %rv = map {
- $_ => $self->{"$pfx.$_"}
- } (qw(mainrepo description address));
- \%rv;
+sub lookup_name {
+ my ($self, $name) = @_;
+ my $rv = $self->{-by_name}->{$name};
+ return $rv if $rv;
+ $self->{-by_name}->{$name} = _fill($self, "publicinbox.$name");
}
sub get {
- my ($self, $listname, $key) = @_;
+ my ($self, $inbox, $key) = @_;
- $self->{"publicinbox.$listname.$key"};
+ $self->{"publicinbox.$inbox.$key"};
}
+sub config_dir { $ENV{PI_DIR} || expand_filename('~/.public-inbox') }
+
sub default_file {
my $f = $ENV{PI_CONFIG};
return $f if defined $f;
- my $pi_dir = $ENV{PI_DIR} || expand_filename('~/.public-inbox/');
- "$pi_dir/config";
+ config_dir() . '/config';
}
+sub git_config_dump {
+ my ($file) = @_;
+ my ($in, $out);
+ my @cmd = (qw/git config/, "--file=$file", '-l');
+ my $cmd = join(' ', @cmd);
+ my $pid = open(my $fh, '-|', @cmd);
+ defined $pid or die "$cmd failed: $!";
+ my %rv;
+ foreach my $line (<$fh>) {
+ chomp $line;
+ my ($k, $v) = split(/=/, $line, 2);
+ my $cur = $rv{$k};
+
+ if (defined $cur) {
+ if (ref($cur) eq "ARRAY") {
+ push @$cur, $v;
+ } else {
+ $rv{$k} = [ $cur, $v ];
+ }
+ } else {
+ $rv{$k} = $v;
+ }
+ }
+ close $fh or die "failed to close ($cmd) pipe: $!";
+ $? and warn "$$ $cmd exited with: ($pid) $?";
+ \%rv;
+}
+
+sub try_cat {
+ my ($path) = @_;
+ my $rv;
+ if (open(my $fh, '<', $path)) {
+ local $/;
+ $rv = <$fh>;
+ }
+ $rv;
+}
+
+sub _fill {
+ my ($self, $pfx) = @_;
+ my $rv = {};
+
+ foreach my $k (qw(mainrepo address filter url)) {
+ my $v = $self->{"$pfx.$k"};
+ $rv->{$k} = $v if defined $v;
+ }
+ my $inbox = $pfx;
+ $inbox =~ s/\Apublicinbox\.//;
+ $rv->{name} = $inbox;
+ my $v = $rv->{address} ||= 'public-inbox@example.com';
+ $rv->{-primary_address} = ref($v) eq 'ARRAY' ? $v->[0] : $v;
+ $rv = PublicInbox::Inbox->new($rv);
+ if (ref($v) eq 'ARRAY') {
+ $self->{-by_addr}->{lc($_)} = $rv foreach @$v;
+ } else {
+ $self->{-by_addr}->{lc($v)} = $rv;
+ }
+ $rv;
+}
+
+
1;