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authorEelco Dolstra <e.dolstra@tudelft.nl>2006-09-19 14:27:28 +0000
committerEelco Dolstra <e.dolstra@tudelft.nl>2006-09-19 14:27:28 +0000
commit07cec27848014244c8f62985c5c0eb045bc86634 (patch)
tree86d8017486e25fd0968b4b015380f08d55232219 /scripts
parent9488ae7357b718e09362c22f075cc5553c758214 (diff)
* Cleanups.
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/optimise-store.pl31
1 files changed, 12 insertions, 19 deletions
diff --git a/scripts/optimise-store.pl b/scripts/optimise-store.pl
index e4b8678d5..7bad1d5e5 100755
--- a/scripts/optimise-store.pl
+++ b/scripts/optimise-store.pl
@@ -2,23 +2,23 @@
use strict;
-{ my $ofh = select STDOUT;
- $| = 1;
- select $ofh;
-}
+#{ my $ofh = select STDOUT;
+# $| = 1;
+# select $ofh;
+#}
+#my @paths = ("/nix/store/d49mc94xwwd7wf1xzfh4ch4cypn0ajjr-glibc-2.3.6", "/nix/store/1mgfgy3ga4m9z60747s0yzxl0g6w5kxz-glibc-2.3.6");
my @paths = ("/nix/store");
-my $tmpfile = "/tmp/nix-optimise-hash-list";
-#my $tmpfile = "/data/nix-optimise-hash-list";
+my $hashList = "/tmp/nix-optimise-hash-list";
-system("find @paths -type f -print0 | xargs -0 md5sum -- > $tmpfile") == 0
+system("find @paths -type f -print0 | xargs -0 md5sum -- > $hashList") == 0
or die "cannot hash store files";
-system("sort $tmpfile > $tmpfile.sorted") == 0
+system("sort $hashList > $hashList.sorted") == 0
or die "cannot sort list";
-open LIST, "<$tmpfile.sorted" or die;
+open LIST, "<$hashList.sorted" or die;
my $prevFile;
my $prevHash;
@@ -29,20 +29,16 @@ my $savedSpace = 0;
my $files = 0;
while (<LIST>) {
-# print "D";
/^([0-9a-f]*)\s+(.*)$/ or die;
my $curFile = $2;
my $curHash = $1;
-# print "A";
my $fileSize = (stat $curFile)[7];
-# print "B";
-# my $fileSize = 1;
$totalSpace += $fileSize;
if (defined $prevHash && $curHash eq $prevHash) {
-# print "$curFile = $prevFile\n";
+ print "$curFile = $prevFile\n";
$savedSpace += $fileSize;
@@ -51,13 +47,10 @@ while (<LIST>) {
$prevHash = $curHash;
}
- print "." if ($files++ % 100 == 0);
- #print ".";
-
-# print "C";
+# print "." if ($files++ % 100 == 0);
}
-print "\n";
+#print "\n";
print "total space = $totalSpace\n";
print "saved space = $savedSpace\n";