101 lines
2.5 KiB
Text
101 lines
2.5 KiB
Text
#! @perl@ -w -I@libexecdir@/nix
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use strict;
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use IPC::Open2;
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use POSIX qw(tmpnam);
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use readmanifest;
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my $tmpdir;
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do { $tmpdir = tmpnam(); }
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until mkdir $tmpdir, 0777;
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my $manifest = "$tmpdir/manifest";
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END { unlink $manifest; rmdir $tmpdir; }
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my $binDir = $ENV{"NIX_BIN_DIR"};
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$binDir = "@bindir@" unless defined $binDir;
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my $libexecDir = $ENV{"NIX_LIBEXEC_DIR"};
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$libexecDir = "@libexecdir@" unless defined $libexecDir;
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my $stateDir = $ENV{"NIX_STATE_DIR"};
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$stateDir = "@localstatedir@/nix" unless defined $stateDir;
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# Prevent access problems in shared-stored installations.
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umask 0022;
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# Obtain URLs either from the command line or from a configuration file.
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my %narFiles;
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my %patches;
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my %successors;
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sub processURL {
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my $url = shift;
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$url =~ s/\/$//;
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print "obtaining list of Nix archives at $url...\n";
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system("@curl@ --fail --silent --show-error --location --max-redirs 20 " .
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"'$url' > '$manifest'") == 0
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or die "curl failed: $?";
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if (readManifest($manifest, \%narFiles, \%patches, \%successors) < 3) {
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die "manifest `$url' is too old (i.e., for Nix <= 0.7)\n";
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}
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my $baseName = "unnamed";
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if ($url =~ /\/([^\/]+)\/[^\/]+$/) { # get the forelast component
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$baseName = $1;
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}
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my $hash = `$binDir/nix-hash --flat '$manifest'`
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or die "cannot hash `$manifest'";
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chomp $hash;
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my $finalPath = "$stateDir/manifests/$baseName-$hash.nixmanifest";
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system("mv -f '$manifest' '$finalPath'") == 0
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or die "cannot move `$manifest' to `$finalPath";
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}
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while (@ARGV) {
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my $url = shift @ARGV;
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processURL $url;
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}
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my $size = scalar (keys %narFiles);
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print "$size store paths in manifest\n";
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# Register all substitutes.
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print STDERR "registering substitutes...\n";
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my $pid = open2(\*READ, \*WRITE, "$binDir/nix-store --substitute")
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or die "cannot run nix-store";
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close READ;
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foreach my $storePath (keys %narFiles) {
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my $narFileList = $narFiles{$storePath};
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foreach my $narFile (@{$narFileList}) {
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print WRITE "$storePath\n";
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print WRITE "$narFile->{deriver}\n";
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print WRITE "$libexecDir/nix/download-using-manifests.pl\n";
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print WRITE "0\n";
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my @references = split " ", $narFile->{references};
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my $count = scalar @references;
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print WRITE "$count\n";
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foreach my $reference (@references) {
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print WRITE "$reference\n";
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}
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}
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}
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close WRITE;
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waitpid $pid, 0;
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$? == 0 or die "nix-store failed";
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