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* Store the NARs in a different directory.

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git-svn-id: https://nixos.org/repos/nix/release/trunk/channels@22396 70bd8c7a-acb8-0310-9f0d-9cc1c95dcdbb
This commit is contained in:
Eelco Dolstra 2010-06-23 14:07:47 +00:00
parent b5ad42fd2b
commit 6d149f9253
1 changed files with 26 additions and 11 deletions
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37
mirror-channel.pl
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@ -5,19 +5,24 @@ use File::stat;
use File::Temp qw/tempfile/;
use Fcntl ':flock';
if (scalar @ARGV != 3 && scalar @ARGV != 4) {
print STDERR "Syntax: perl mirror-channel.pl <src-channel-url> <dst-channel-url> <dst-channel-dir> [<nix-exprs-url>]\n";
if (scalar @ARGV != 6 && scalar @ARGV != 7) {
print STDERR "Syntax: perl mirror-channel.pl <src-channel-url> <dst-channel-dir> <nar-dir> <nar-url> <patches-dir> <patches-url> [<nix-exprs-url>]\n";
exit 1;
}
my $curl = "curl --location --silent --show-error --fail";
my $srcChannelURL = $ARGV[0];
my $dstChannelURL = $ARGV[1];
my $dstChannelPath = $ARGV[2];
my $nixexprsURL = $ARGV[3] || "$srcChannelURL/nixexprs.tar.bz2";
my $dstChannelPath = $ARGV[1];
my $narPath = $ARGV[2];
my $narURL = $ARGV[3];
my $patchesPath = $ARGV[4];
my $patchesURL = $ARGV[5];
my $nixexprsURL = $ARGV[6] || "$srcChannelURL/nixexprs.tar.bz2";
die "$dstChannelPath doesn't exist\n" unless -d $dstChannelPath;
die "$narPath doesn't exist\n" unless -d $narPath;
die "$patchesPath doesn't exist\n" unless -d $patchesPath;
open LOCK, ">$dstChannelPath/.lock" or die;
flock LOCK, LOCK_EX;
@ -51,20 +56,20 @@ while (my ($storePath, $files) = each %narFiles) {
my $srcURL = $file->{url};
my $dstName = $narHash;
$dstName =~ s/:/_/; # `:' in filenames might cause problems
my $dstFile = "$dstChannelPath/$dstName";
my $dstURL = "$dstChannelURL/$dstName";
my $dstFile = "$narPath/$dstName";
my $dstURL = "$narURL/$dstName";
$file->{url} = $dstURL;
if (! -e $dstFile) {
print "downloading $srcURL\n";
my $dstFileTmp = "$dstChannelPath/.tmp.$$.nar.$dstName";
system("$curl '$srcURL' > $dstFileTmp") == 0 or die;
my $dstFileTmp = "$narPath/.tmp.$$.nar.$dstName";
system("$curl '$srcURL' > $dstFileTmp") == 0 or next;
rename($dstFileTmp, $dstFile) or die "cannot rename $dstFileTmp";
}
$file->{size} = stat($dstFile)->size or die;
my $hashFile = "$dstChannelPath/.hash.$dstName";
my $hashFile = "$narPath/.hash.$dstName";
my $hash;
if (-e $hashFile) {
open HASH, "<$hashFile" or die;
@ -86,5 +91,15 @@ writeManifest("$dstChannelPath/MANIFEST", \%narFiles, \%patches);
# Mirror nixexprs.tar.bz2.
my $tmpFile = "$dstChannelPath/.tmp.$$.nixexprs.tar.bz2";
system("$curl '$nixexprsURL' > $tmpFile") == 0 or die;
system("$curl '$nixexprsURL' > $tmpFile") == 0 or die "cannot download `$nixexprsURL'";
rename($tmpFile, "$dstChannelPath/nixexprs.tar.bz2") or die "cannot rename $tmpFile";
# Remove ".hash.*" files corresponding to NARs that have been removed.
foreach my $fn (glob "$narPath/.hash.*") {
my $fn2 = $fn;
$fn2 =~ s/\.hash\.//;
if (! -e "$fn2") {
print STDERR "removing hash $fn\n";
unlink "$fn";
}
}