42 lines
		
	
	
	
		
			933 B
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			42 lines
		
	
	
	
		
			933 B
		
	
	
	
		
			Text
		
	
	
	
	
	
| #! @perl@ -w
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| 
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| use strict;
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| 
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| my $profilesDir = "@localstatedir@/nix/profiles";
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| 
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| 
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| # Process the command line arguments.
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| my @args = ();
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| my $removeOld = 0;
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| 
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| for my $arg (@ARGV) {
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|     if ($arg eq "--delete-old" || $arg eq "-d") {
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|         $removeOld = 1;
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|     } else {
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|         push @args, $arg;
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|     }
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| }
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| 
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| 
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| # If `-d' was specified, remove all old generations of all profiles.
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| # Of course, this makes rollbacks to before this point in time
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| # impossible.
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| if ($removeOld) {
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| 
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|     opendir DIR, $profilesDir or die;
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| 
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|     foreach my $name (sort (readdir DIR)) {
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|         $name = $profilesDir . "/" . $name;
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|         if (-l $name && (readlink($name) =~ /link/)) {
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|             print STDERR "removing old generations of profile $name\n";
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|             system("@bindir@/nix-env", "-p", $name, "--delete-generations", "old");
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|         }
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|     }
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|     
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|     closedir DIR or die;
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|     
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| }
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| 
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| 
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| # Run the actual garbage collector.
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| exec "@bindir@/nix-store", "--gc", @args;
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