#!/usr/bin/perl -w
# Copyright (C) 2014-2018 all contributors
# License: AGPL-3.0+
#
# Initializes a public-inbox, basically a wrapper for git-init(1)
use strict;
use warnings;
my $usage = "public-inbox-init NAME GIT_DIR HTTP_URL ADDRESS [ADDRESS..]";
use PublicInbox::Config;
use File::Temp qw/tempfile/;
use File::Basename qw/dirname/;
use File::Path qw/mkpath/;
use Cwd qw/abs_path/;
sub x { system(@_) and die join(' ', @_). " failed: $?\n" }
sub usage { print STDERR "Usage: $usage\n"; exit 1 }
my $name = shift @ARGV or usage();
my $git_dir = shift @ARGV or usage();
my $http_url = shift @ARGV or usage();
my (@address) = @ARGV;
@address or usage();
my %seen;
my $pi_config = PublicInbox::Config->default_file;
my $dir = dirname($pi_config);
mkpath($dir); # will croak on fatal errors
my ($fh, $filename) = tempfile('pi-init-XXXXXXXX', DIR => $dir);
if (-e $pi_config) {
open(my $oh, '<', $pi_config) or die "unable to read $pi_config: $!\n";
my @st = stat($oh);
my $perm = $st[2];
defined $perm or die "(f)stat failed on $pi_config: $!\n";
chmod($perm & 07777, $fh) or
die "(f)chmod failed on future $pi_config: $!\n";
my $old;
{
local $/;
$old = <$oh>;
}
print $fh $old or die "failed to write: $!\n";
close $oh or die "failed to close $pi_config: $!\n";
# yes, this conflict checking is racy if multiple instances of this
# script are run by the same $PI_DIR
my $cfg = PublicInbox::Config->new;
my $conflict;
foreach my $addr (@address) {
my $found = $cfg->lookup($addr);
if ($found) {
if ($found->{name} ne $name) {
print STDERR
"`$addr' already defined for ",
"`$found->{name}',\n",
"does not match intend `$name'\n";
$conflict = 1;
} else {
$seen{lc($addr)} = 1;
}
}
}
exit(1) if $conflict;
}
close $fh or die "failed to close $filename: $!\n";
my $pfx = "publicinbox.$name";
my @x = (qw/git config/, "--file=$filename");
$git_dir = abs_path($git_dir);
x(qw(git init -q --bare), $git_dir);
# set a reasonable default:
x(qw/git config/, "--file=$git_dir/config", 'repack.writeBitmaps', 'true');
foreach my $addr (@address) {
next if $seen{lc($addr)};
x(@x, "--add", "$pfx.address", $addr);
}
x(@x, "$pfx.url", $http_url);
x(@x, "$pfx.mainrepo", $git_dir);
rename $filename, $pi_config or
die "failed to rename `$filename' to `$pi_config': $!\n";