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https://github.com/speed47/btrfs-list
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add colors, generation display and misc fixes
This commit is contained in:
Stéphane Lesimple
parent
b23f01683c
commit
8b4f0c3328
99
btrfs-list
99
btrfs-list
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@ -5,6 +5,7 @@ use IPC::Open3;
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use Symbol 'gensym';
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use Getopt::Long;
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use Data::Dumper;
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use Term::ANSIColor;
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$ENV{'PATH'} = '/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin';
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@ -15,11 +16,17 @@ my %vol;
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my $debug = 0;
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my $hide_snapshots = 0;
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my $show_generation = 0;
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my $no_color = 0;
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GetOptions(
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'd' => \$debug,
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's' => \$hide_snapshots,
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'g' => \$show_generation,
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'no-color' => \$no_color,
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);
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$ENV{'ANSI_COLORS_DISABLED'} = 1 if $no_color;
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sub debug
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{
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$debug or return;
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@ -96,12 +103,12 @@ sub raw2human
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my $human = shift;
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if ($human !~ /^(\d+)(\.\d+)?$/) { return $human; }
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$human = $1;
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if ($human > 1024**6) { $human = sprintf('%.2fE', $human/1024**6); }
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elsif ($human > 1024**5) { $human = sprintf('%.2fP', $human/1024**5); }
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elsif ($human > 1024**4) { $human = sprintf('%.2fT', $human/1024**4); }
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elsif ($human > 1024**3) { $human = sprintf('%.2fG', $human/1024**3); }
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elsif ($human > 1024**2) { $human = sprintf('%.2fM', $human/1024**2); }
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elsif ($human > 1024**1) { $human = sprintf('%.2fK', $human/1024**1); }
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if ($human > 1024**5) { $human = colored(sprintf('%.2f', $human/1024**5), 'bright_magenta').colored('P', 'grey12'); }
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elsif ($human > 1024**4) { $human = colored(sprintf('%.2f', $human/1024**4), 'bright_red' ).colored('T', 'grey12'); }
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elsif ($human > 1024**3) { $human = colored(sprintf('%.2f', $human/1024**3), 'bright_yellow' ).colored('G', 'grey12'); }
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elsif ($human > 1024**2) { $human = colored(sprintf('%.2f', $human/1024**2), 'bright_green' ).colored('M', 'grey12'); }
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elsif ($human > 1024**1) { $human = colored(sprintf('%.2f', $human/1024**1), 'bright_blue' ).colored('k', 'grey12'); }
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else { $human = sprintf('%.2f' , $human ) ; }
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return $human;
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}
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@ -195,13 +202,13 @@ while (<MP>)
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if ($options =~ /subvolid=(\d+)/)
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{
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$mountpoints{$dev} = $mp;
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$mountpointsvol{$dev}{$subvolid} = $mp;
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$mountpoints{$dev} = $mp unless $mountpoints{$dev};
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$mountpointsvol{$dev}{$subvolid} = $mp unless $mountpointsvol{$dev}{$subvolid};
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}
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if (-l $dev)
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{
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$mountpoints{ link2real($dev) } = $mp;
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$mountpointsvol{ link2real($dev) }{$subvolid} = $mp;
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$mountpoints{ link2real($dev) } ||= $mp;
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$mountpointsvol{ link2real($dev) }{$subvolid} ||= $mp;
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}
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}
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}
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@ -220,7 +227,7 @@ foreach my $fuuid (keys %filesystems)
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}
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}
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$ENV{'DEBUG'} and print Dumper \%filesystems;
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debug(Dumper \%filesystems);
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# lets cvol btrfs
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=cut
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@ -237,7 +244,6 @@ foreach my $fuuid (keys %filesystems)
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-d $mp or next;
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# cvol df
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my $hasraid56 = 0;
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@cmd = run_cmd( { can_fail => 1, silent_stderr => 1 }, qw{ btrfs filesystem df --raw }, $mp );
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if (not @{ $cmd[1] } or $cmd[0])
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{
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@ -246,7 +252,6 @@ foreach my $fuuid (keys %filesystems)
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my ($total,$used) = (0,0);
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foreach (@{ $cmd[1] })
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{
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/RAID[56]/ and $hasraid56++;
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if (/^Data[^,]*, (\S+):\s+total=([^,]+), used=([^,]+)/)
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{
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#Data, RAID5: total=2977486077952, used=2962325794816
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@ -257,48 +262,13 @@ foreach my $fuuid (keys %filesystems)
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}
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my $free = raw2human($total - $used);
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$vol{$fuuid}{df} = {
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id => '-1',
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id => '-1',
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path => $filesystems{$fuuid}{label},
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gen => 0,
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cgen => 0,
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parent => '-',
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top => '-',
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puuid => '*',
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ruuid => '-', type => 'fs', mode => 'rw',
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rfer => "-",
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excl => raw2human($used),
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free => $free,
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gen => 0, cgen => 0, parent => '-',
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top => '-', puuid => '*', ruuid => '-',
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type => 'fs', mode => 'rw', rfer => colored('', 'white').colored(' ', 'grey12').'-',
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excl => raw2human($used), free => $free,
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};
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# classic df for raid56
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if ($hasraid56)
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{
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@cmd = run_cmd( { can_fail => 0 }, qw{ df --block-size=1 }, $mp);
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foreach (@{ $cmd[1] })
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{
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# /dev/mapper/luks-WDC_WD30EZRX-00MMMB0_WD-WCAWZ3013164 9001772654592 3292893921280 3580264464384 48% /tank
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if (/\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)%/)
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{
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($total,$used,$free) = ($1,$2,$3);
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# FIXME only for raid5 with 3 devs, TODO :
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$used = $used / 3 * 2;
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$free = $free / 3 * 2;
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$vol{$fuuid}{df} = {
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id => '-1',
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path => $filesystems{$fuuid}{label},
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gen => 0,
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cgen => 0,
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parent => '-',
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top => '-',
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puuid => '*',
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ruuid => '-', type => 'df', mode => 'rw',
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rfer => "-",
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excl => raw2human($used),
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free => raw2human($free),
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};
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last;
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}
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}
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}
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# replace the free space estimation by what fi usage says
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@cmd = run_cmd( { can_fail => 1, silent_stderr => 1 }, qw{ btrfs filesystem usage --raw }, $mp );
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@ -398,7 +368,7 @@ foreach my $fuuid (keys %filesystems)
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/(\s|^)ID ([0-9]+)/ and exists $vol{$fuuid}{$2} and $vol{$fuuid}{$2}{mode} = 'ro';
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}
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}
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$ENV{'DEBUG'} and print Dumper \$vol{$fuuid};
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debug(Dumper \$vol{$fuuid});
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}
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# get quota stuff
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@ -472,13 +442,14 @@ foreach my $fuuid (keys %filesystems)
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}
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}
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}
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$ENV{'DEBUG'} and print '@VOL@', Dumper \%vol;
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debug(Dumper \%vol);
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# ok, now, do the magic
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my @ordered = ();
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my $maxdepth = 0;
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my $biggestpath = 0;
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my %seen;
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sub dothemagic
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{
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my $volumes = shift;
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@ -494,6 +465,7 @@ sub dothemagic
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$hash->{'depth'} = $depth;
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length($hash->{path}) > $biggestpath and $biggestpath = length($hash->{path});
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push @ordered, $hash;
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$seen{$vuuid} = 1;
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dothemagic($volumes, $depth+1, $vuuid);# unless $parentuuid eq '-';
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}
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}
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@ -509,6 +481,12 @@ foreach my $fuuid (keys %filesystems)
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dothemagic($vol{$fuuid}, 1, '+');
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dothemagic($vol{$fuuid}, 1, '-');
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foreach my $vuuid (keys %{ $vol{$fuuid} })
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{
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next if $seen{$vuuid};
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push @ordered, $vol{$fuuid}{$vuuid};#print "orphan $vuuid\n";
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}
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# find the longest path (including leading spaces)
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my $longestpath = 0;
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foreach (@ordered)
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@ -519,11 +497,12 @@ foreach my $fuuid (keys %filesystems)
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}
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my $format = "%-${longestpath}s %5s %8s %9s %9s %s\n";
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printf $format, 'NAME', 'ID', "TYPE", "REFER", "USED", "" ;
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printf $format, 'NAME', 'ID', 'TYPE', 'REFER', 'USED', '';
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$format = "%-${longestpath}s %5s %8s %33s %33s %s\n" unless $ENV{'ANSI_COLORS_DISABLED'};
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foreach (@ordered)
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{
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#print Dumper $_;
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if ($hide_snapshots and $_->{'type'} eq 'snap') { next; }
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next if ($hide_snapshots and $_->{'type'} eq 'snap');
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my $type = $_->{type};
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$_->{mode} eq 'ro' and $type = "ro".$type;
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my $rfer = $_->{rfer};
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@ -539,9 +518,11 @@ foreach my $fuuid (keys %filesystems)
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{
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$extra = $_->{'mp'};
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}
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$_->{depth} ||= 0;
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printf $format,
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" "x($_->{depth} * 3) . $_->{path},
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$_->{id} > 0 ? $_->{id} : '-', $type, $rfer, $excl, $extra;
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" "x($_->{depth} * 3) . $_->{path},
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($_->{id} && $_->{id} > 0) ? $_->{id} : '-',
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$type, $rfer, $excl, $extra;
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}
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}
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