X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=script%2Fpublic-inbox-init;h=8fd2f9dc2f5c490cb8325dbd8b6b74b91febd5be;hb=6242da34fbe20940e3e258d2ec80e9aeef0438e1;hp=739ec9e55530c3dacdc3c6e9e33df6b099e474a6;hpb=790d4f6306d3716e311ce3c141a7666e4f0cd74d;p=public-inbox.git

diff --git a/script/public-inbox-init b/script/public-inbox-init
index 739ec9e5..8fd2f9dc 100755
--- a/script/public-inbox-init
+++ b/script/public-inbox-init
@@ -1,22 +1,37 @@
 #!/usr/bin/perl -w
-# Copyright (C) 2014-2015 all contributors <meta@public-inbox.org>
-# License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
+# Copyright (C) 2014-2019 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 #
 # 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;
+my $usage = "public-inbox-init NAME INBOX_DIR HTTP_URL ADDRESS [ADDRESS..]";
+use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/;
+use PublicInbox::Admin;
+PublicInbox::Admin::require_or_die('-base');
+require PublicInbox::Config;
+require PublicInbox::InboxWritable;
 use File::Temp qw/tempfile/;
+use PublicInbox::Lock;
 use File::Basename qw/dirname/;
 use File::Path qw/mkpath/;
+use Fcntl qw(:DEFAULT);
 use Cwd qw/abs_path/;
 
 sub x { system(@_) and die join(' ', @_). " failed: $?\n" }
 sub usage { print STDERR "Usage: $usage\n"; exit 1 }
-
+my $version = undef;
+my $indexlevel = undef;
+my $skip_epoch;
+my %opts = (
+	'V|version=i' => \$version,
+	'L|indexlevel=s' => \$indexlevel,
+	'S|skip|skip-epoch=i' => \$skip_epoch,
+);
+GetOptions(%opts) or usage();
+PublicInbox::Admin::indexlevel_ok_or_die($indexlevel) if defined $indexlevel;
 my $name = shift @ARGV or usage();
-my $git_dir = shift @ARGV or usage();
+my $mainrepo = shift @ARGV or usage();
 my $http_url = shift @ARGV or usage();
 my (@address) = @ARGV;
 @address or usage();
@@ -25,9 +40,37 @@ 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);
+
+# first, we grab a flock to prevent simultaneous public-inbox-init
+# processes from trampling over each other, or exiting with 255 on
+# O_EXCL failure below.  This gets unlocked automatically on exit:
+my $lock_obj = { lock_path => "$pi_config.flock" };
+PublicInbox::Lock::lock_acquire($lock_obj);
+
+# git-config will operate on this (and rename on success):
+my ($fh, $pi_config_tmp) = tempfile('pi-init-XXXXXXXX', DIR => $dir);
+
+# Now, we grab another lock to use git-config(1) locking, so it won't
+# wait on the lock, unlike some of our internal flock()-based locks.
+# This is to prevent direct git-config(1) usage from clobbering our
+# changes.
+my $lockfile = "$pi_config.lock";
+my $lockfh;
+sysopen($lockfh, $lockfile, O_RDWR|O_CREAT|O_EXCL) or do {
+	$lockfh = undef;
+	warn "could not open config file: $lockfile: $!\n";
+	exit(255);
+};
+END { unlink($lockfile) if $lockfh };
+
+my $perm;
 if (-e $pi_config) {
 	open(my $oh, '<', $pi_config) or die "unable to read $pi_config: $!\n";
+	my @st = stat($oh);
+	$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 $/;
@@ -56,23 +99,70 @@ if (-e $pi_config) {
 	}
 
 	exit(1) if $conflict;
+
+	my $ibx = $cfg->lookup_name($name);
+	if ($ibx) {
+		if (!defined($indexlevel) && $ibx->{indexlevel}) {
+			$indexlevel = $ibx->{indexlevel};
+		}
+	}
 }
-close $fh or die "failed to close $filename: $!\n";
+close $fh or die "failed to close $pi_config_tmp: $!\n";
 
 my $pfx = "publicinbox.$name";
-my @x = (qw/git config/, "--file=$filename");
-$git_dir = abs_path($git_dir);
-x(qw(git init -q --bare), $git_dir);
+my @x = (qw/git config/, "--file=$pi_config_tmp");
 
-# set a reasonable default:
-x(qw/git config/, "--file=$git_dir/config", 'repack.writeBitmaps', 'true');
+$mainrepo = abs_path($mainrepo);
+if (-f "$mainrepo/inbox.lock") {
+	if (!defined $version) {
+		$version = 2;
+	} elsif ($version != 2) {
+		die "$mainrepo is a -V2 repo, -V$version specified\n"
+	}
+} elsif (-d "$mainrepo/objects") {
+	if (!defined $version) {
+		$version = 1;
+	} elsif ($version != 1) {
+		die "$mainrepo is a -V1 repo, -V$version specified\n"
+	}
+}
+
+$version = 1 unless defined $version;
+
+if ($version == 1 && defined $skip_epoch) {
+	die "--skip-epoch is only supported for -V2 repos\n";
+}
+
+my $ibx = PublicInbox::Inbox->new({
+	mainrepo => $mainrepo,
+	name => $name,
+	version => $version,
+	-primary_address => $address[0],
+	indexlevel => $indexlevel,
+});
+
+my $creat_opt = {};
+PublicInbox::InboxWritable->new($ibx, $creat_opt)->init_inbox(0, $skip_epoch);
+
+# needed for git prior to v2.1.0
+umask(0077) if defined $perm;
 
 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", $git_dir);
+x(@x, "$pfx.mainrepo", $mainrepo);
+
+if (defined($indexlevel)) {
+	x(@x, "$pfx.indexlevel", $indexlevel);
+}
+
+# needed for git prior to v2.1.0
+if (defined $perm) {
+	chmod($perm & 07777, $pi_config_tmp) or
+			die "(f)chmod failed on future $pi_config: $!\n";
+}
 
-rename $filename, $pi_config or
-	die "failed to rename `$filename' to `$pi_config': $!\n";
+rename $pi_config_tmp, $pi_config or
+	die "failed to rename `$pi_config_tmp' to `$pi_config': $!\n";