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49
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1 package Deployment::Batch::Backup;
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2 use base qw(Deployment::Batch::Generic);
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3 use Common;
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4 use File::Copy;
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5
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6 BEGIN {
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7 DeclareProperty Action => ACCESS_READ;
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8 }
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9
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10 sub CTOR {
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11 my ($this,$actionName,$actionArg) = @_;
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12
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13 $this->{$Action} = { Name => $actionName, Arg => $actionArg };
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14 }
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15
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16 sub Run {
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17 my ($this) = @_;
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18
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19 my $tmpObj;
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20
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21 # we are in the immediate mode
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22 if ($this->{$Action}{Name} eq 'File') {
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23 $this->Log("Backup file: $this->{$Action}{Arg}");
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24 if (-e $this->{$Action}{Arg}) {
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25
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26 Deployment::Batch->Temp( File => \$tmpObj ) or die "Failed to create temp file" ;
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27
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28 copy ($this->{$Action}{Arg}, $tmpObj->filename) or die "Failed to backup";
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29 $this->{$Action}{Result} = $tmpObj->filename;
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30 }
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31 } else {
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32 die "Don't know how to backup the $this->{$Action}{Name}";
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33 }
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34 }
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35
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36 sub Rollback {
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37 my ($this) = @_;
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38 if ($this->{$Action}{Name} eq 'File') {
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39 $this->Log("Revert file: $this->{$Action}{Arg}");
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40 if ($this->{$Action}{Result}) {
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41 copy ($this->{$Action}{Result}, $this->{$Action}{Arg}) or die "Failed to backup";
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42 } else {
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43 unlink $this->{$Action}{Arg} if -f $this->{$Action}{Arg};
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44 }
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45 }
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46 }
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47
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48 1;
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