70 lines
1.6 KiB
Text
70 lines
1.6 KiB
Text
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#! /usr/bin/perl -w
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my $prefix = $ENV{"NIX"} || "/nix"; # !!! use prefix
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my $etcdir = "$prefix/etc/nix";
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my $knowns = "$prefix/var/nix/known-prebuilts";
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my $tmpfile = "$prefix/var/nix/prebuilts.tmp";
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my $conffile = "$etcdir/prebuilts.conf";
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sub register {
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my $fn = shift;
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return unless $fn =~ /([^\/]*)-([0-9a-z]{32})-([0-9a-z]{32})\.tar\.bz2/;
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my $id = $1;
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my $pkghash = $2;
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my $prebuilthash = $3;
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print "$pkghash => $prebuilthash ($id)\n";
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system "nix regprebuilt $pkghash $prebuilthash";
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if ($?) { die "`nix regprebuilt' failed"; }
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print KNOWNS "$pkghash\n";
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}
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open KNOWNS, ">$knowns";
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open CONFFILE, "<$conffile";
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while (<CONFFILE>) {
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chomp;
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if (/^\s*(\S+)\s*(\#.*)?$/) {
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my $url = $1;
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print "obtaining prebuilt list from $url...\n";
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if ($url =~ /^\//) {
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# It's a local path.
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foreach my $fn (glob "$url/*") {
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register $fn;
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}
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} else {
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# It's a URL.
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system "wget '$url' -O '$tmpfile' 2> /dev/null"; # !!! escape
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if ($?) { die "`wget' failed"; }
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open INDEX, "<$tmpfile";
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while (<INDEX>) {
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# Get all links to prebuilts, that is, file names of the
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# form foo-HASH-HASH.tar.bz2.
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next unless (/HREF=\"([^\"]*)\"/);
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my $fn = $1;
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next if $fn =~ /\.\./;
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next if $fn =~ /\//;
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register $fn;
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}
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close INDEX;
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unlink $tmpfile;
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}
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}
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}
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close CONFFILE;
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close KNOWNS;
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