--- /dev/null
+#!/usr/bin/perl
+
+=head1 bak-git
+
+Simpliest possible backup from remote host (with natcat as
+only depenency) to ad-hoc remote server
+
+Install on client with:
+
+ echo install | nc 127.0.0.1 9001 > bak ; chmod 755 bak
+
+Start server with:
+
+ ./server.pl /path/to/backup 127.0.0.1
+
+You will want to add following to C<~/.ssh/config>
+
+ RemoteForward 9001 localhost:9001
+
+=cut
+
+use warnings;
+use strict;
+use autodie;
+use IO::Socket::INET;
+use File::Path;
+use Getopt::Long;
+
+my $install = 0;
+GetOptions(
+ 'install!' => \$install,
+) || die "$!\n";
+
+my ( $dir, $server_ip ) = @ARGV;
+die "usage: $0 /backup/directory\n" unless $dir;
+$server_ip ||= '127.0.0.1';
+
+my $shell_client = <<__SHELL_CLIENT__;
+#!/bin/sh
+echo `hostname -s` `pwd` \$* | nc $server_ip 9001
+__SHELL_CLIENT__
+
+chdir $dir;
+system 'git init' unless -e '.git';
+
+if ( $install ) {
+ open(my $fh, '>', '/tmp/bak');
+ print $fh $shell_client;
+ close($fh);
+
+ foreach my $hostname ( glob '*' ) {
+ warn "install on $hostname\n";
+ system "scp /tmp/bak root\@$hostname:/usr/local/bin/";
+ }
+}
+
+my $server = IO::Socket::INET->new(
+ Proto => 'tcp',
+ LocalAddr => $server_ip,
+ LocalPort => 9001,
+ Listen => SOMAXCONN,
+ Reuse => 1
+) || die $!;
+
+
+warn "dir: $dir listen: $server_ip:9001\n"
+ , "remote-host> echo install | nc $server_ip 9001 > bak ; chmod 755 bak\n"
+ , $shell_client
+;
+
+while (my $client = $server->accept()) {
+ my ($hostname,$pwd,$command,$path,$message) = split(/\s+/,<$client>,5);
+
+ if ( $pwd eq 'install' ) {
+ warn "install on $hostname\n";
+ print $client $shell_client;
+ close($client);
+ system 'ssh-copy-id', "root\@$hostname" if ! -d $hostname;
+ next;
+ }
+
+ $message ||= '';
+ $path = "$pwd/$path" unless $path =~ m{^/};
+
+ warn "$hostname [$command] $path | $message\n";
+
+
+ my $dir = $path;
+ $dir =~ s{/[^/]+$}{};
+
+ mkpath "$hostname/$dir" unless -e "$hostname/$dir";
+
+ if ( ! $command ) {
+ system "find $hostname -type f | sed 's,$hostname,,' > /tmp/$hostname.list";
+ system "rsync -avv --files-from /tmp/$hostname.list root\@$hostname:/ $hostname/"
+ } elsif ( $command eq 'add' ) {
+ system 'rsync', '-avv', "root\@$hostname:$path", "$hostname/$path";
+ system 'git', 'add', "$hostname/$path";
+ } elsif ( $command eq 'commit' ) {
+ system 'rsync', '-avv', "root\@$hostname:$path", "$hostname/$path" if $path;
+ $message ||= "$command $hostname $path";
+ system 'git', 'commit', '-m', $message, "$hostname/$path";
+ } elsif ( $command =~ m{(diff|status|log)} ) {
+ my $opt = '--summary' if $command eq 'log';
+ print $client `git $command $opt $hostname`;
+ } elsif ( $command eq 'revert' ) {
+ print $client `git checkout -- $hostname/$path`;
+ system 'rsync', '-avv', "$hostname/$path", "root\@$hostname:$path";
+ } else {
+ print $client "Unknown command: $command\n";
+ }
+
+}
+
+++ /dev/null
-#!/usr/bin/perl
-
-=head1 bak-git
-
-Simpliest possible backup from remote host (with natcat as
-only depenency) to ad-hoc remote server
-
-Install on client with:
-
- echo install | nc 127.0.0.1 9001 > bak ; chmod 755 bak
-
-Start server with:
-
- ./server.pl /path/to/backup 127.0.0.1
-
-You will want to add following to C<~/.ssh/config>
-
- RemoteForward 9001 localhost:9001
-
-=cut
-
-use warnings;
-use strict;
-use autodie;
-use IO::Socket::INET;
-use File::Path;
-use Getopt::Long;
-
-my $install = 0;
-GetOptions(
- 'install!' => \$install,
-) || die "$!\n";
-
-my ( $dir, $server_ip ) = @ARGV;
-die "usage: $0 /backup/directory\n" unless $dir;
-$server_ip ||= '127.0.0.1';
-
-my $shell_client = <<__SHELL_CLIENT__;
-#!/bin/sh
-echo `hostname -s` `pwd` \$* | nc $server_ip 9001
-__SHELL_CLIENT__
-
-chdir $dir;
-system 'git init' unless -e '.git';
-
-if ( $install ) {
- open(my $fh, '>', '/tmp/bak');
- print $fh $shell_client;
- close($fh);
-
- foreach my $hostname ( glob '*' ) {
- warn "install on $hostname\n";
- system "scp /tmp/bak root\@$hostname:/usr/local/bin/";
- }
-}
-
-my $server = IO::Socket::INET->new(
- Proto => 'tcp',
- LocalAddr => $server_ip,
- LocalPort => 9001,
- Listen => SOMAXCONN,
- Reuse => 1
-) || die $!;
-
-
-warn "dir: $dir listen: $server_ip:9001\n"
- , "remote-host> echo install | nc $server_ip 9001 > bak ; chmod 755 bak\n"
- , $shell_client
-;
-
-while (my $client = $server->accept()) {
- my ($hostname,$pwd,$command,$path,$message) = split(/\s+/,<$client>,5);
-
- if ( $pwd eq 'install' ) {
- warn "install on $hostname\n";
- print $client $shell_client;
- close($client);
- system 'ssh-copy-id', "root\@$hostname" if ! -d $hostname;
- next;
- }
-
- $message ||= '';
- $path = "$pwd/$path" unless $path =~ m{^/};
-
- warn "$hostname [$command] $path | $message\n";
-
-
- my $dir = $path;
- $dir =~ s{/[^/]+$}{};
-
- mkpath "$hostname/$dir" unless -e "$hostname/$dir";
-
- if ( ! $command ) {
- system "find $hostname -type f | sed 's,$hostname,,' > /tmp/$hostname.list";
- system "rsync -avv --files-from /tmp/$hostname.list root\@$hostname:/ $hostname/"
- } elsif ( $command eq 'add' ) {
- system 'rsync', '-avv', "root\@$hostname:$path", "$hostname/$path";
- system 'git', 'add', "$hostname/$path";
- } elsif ( $command eq 'commit' ) {
- system 'rsync', '-avv', "root\@$hostname:$path", "$hostname/$path" if $path;
- $message ||= "$command $hostname $path";
- system 'git', 'commit', '-m', $message, "$hostname/$path";
- } elsif ( $command =~ m{(diff|status|log)} ) {
- my $opt = '--summary' if $command eq 'log';
- print $client `git $command $opt $hostname`;
- } elsif ( $command eq 'revert' ) {
- print $client `git checkout -- $hostname/$path`;
- system 'rsync', '-avv', "$hostname/$path", "root\@$hostname:$path";
- } else {
- print $client "Unknown command: $command\n";
- }
-
-}
-