-# 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/;
+use File::Path::Expand qw/expand_filename/;
# returns key-value pairs of config directives in a hash
-sub dump {
+# if keys may be multi-value, the value is an array ref containing all values
+sub new {
my ($class, $file) = @_;
+ $file = default_file() unless defined($file);
+ bless git_config_dump($file), $class;
+}
+
+sub lookup {
+ my ($self, $recipient) = @_;
+ my $addr = lc($recipient);
+ my $pfx;
- local $ENV{GIT_CONFIG} = $file;
+ foreach my $k (keys %$self) {
+ $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;
+ }
+ }
- my @cfg = `git config -l`;
- $? == 0 or die "git config -l failed: $?\n";
- chomp @cfg;
- my %rv = map { split(/=/, $_, 2) } @cfg;
+ defined $pfx or return;
+
+ my %rv;
+ foreach my $k (qw(mainrepo address filter)) {
+ my $v = $self->{"$pfx.$k"};
+ $rv{$k} = $v if defined $v;
+ }
+ my $listname = $pfx;
+ $listname =~ s/\Apublicinbox\.//;
+ $rv{listname} = $listname;
+ my $v = $rv{address};
+ $rv{-primary_address} = ref($v) eq 'ARRAY' ? $v->[0] : $v;
\%rv;
}
+sub get {
+ my ($self, $listname, $key) = @_;
+
+ $self->{"publicinbox.$listname.$key"};
+}
+
+sub config_dir { $ENV{PI_DIR} || expand_filename('~/.public-inbox') }
+
+sub default_file {
+ my $f = $ENV{PI_CONFIG};
+ return $f if defined $f;
+ config_dir() . '/config';
+}
+
+sub git_config_dump {
+ my ($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;
+}
+
1;