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nix-collect-garbage: Add --delete-older-than option

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This commit is contained in:
Ricardo M. Correia 2014-03-11 22:16:00 +01:00 • committed by Eelco Dolstra
parent 7ef7597f71
commit 034b6f6062
2 changed files with 22 additions and 8 deletions
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12
scripts/nix-collect-garbage.in
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@ -8,12 +8,19 @@ my $profilesDir = "@localstatedir@/nix/profiles";
# Process the command line arguments.
my @args = ();
my $arg;
my $removeOld = 0;
my $gen;
my $dryRun = 0;
for my $arg (@ARGV) {
while ($arg = shift) {
if ($arg eq "--delete-old" || $arg eq "-d") {
$removeOld = 1;
$gen = "old";
} elsif ($arg eq "--delete-older-than") {
$removeOld = 1;
$gen = shift;
} elsif ($arg eq "--dry-run") {
$dryRun = 1;
} elsif ($arg eq "--help") {
@ -40,7 +47,8 @@ sub removeOldGenerations {
$name = $dir . "/" . $name;
if (-l $name && (readlink($name) =~ /link/)) {
print STDERR "removing old generations of profile $name\n";
system("$Nix::Config::binDir/nix-env", "-p", $name, "--delete-generations", "old", $dryRun ? "--dry-run" : ());
system("$Nix::Config::binDir/nix-env", "-p", $name, "--delete-generations", $gen, $dryRun ? "--dry-run" : ());
}
elsif (! -l $name && -d $name) {
removeOldGenerations $name;