mirror of
https://github.com/privatevoid-net/nix-super.git
synced 2024-11-22 14:06:16 +02:00
96 lines
2.4 KiB
Perl
96 lines
2.4 KiB
Perl
#! /usr/bin/perl -w
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my $fixfile = "/tmp/nix-push-tmp.fix";
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open FIX, ">$fixfile";
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print FIX "[";
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my $first = 1;
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foreach my $id (@ARGV) {
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die unless $id =~ /^([0-9a-z]{32})$/;
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# Get all paths referenced by the normalisation of the given
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# Nix expression.
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system "nix --install $id";
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if ($?) { die "`nix --install' failed"; }
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my @paths;
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open PATHS, "nix --query --requisites --include-successors $id 2> /dev/null |" or die "nix -qr";
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while (<PATHS>) {
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chomp;
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die "bad: $_" unless /^\//;
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push @paths, $_;
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}
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close PATHS;
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# Also add all normal forms that are contained in these paths.
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# open PATHS, "nix --query --generators --path @paths |" or die "nix -qg";
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# while (<PATHS>) {
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# chomp;
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# die "bad: $_" unless /^\//;
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# push @paths, $_;
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# }
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# close PATHS;
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# For each path, create a Fix expression that turns the path into
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# a Nix archive.
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foreach my $path (@paths) {
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next unless ($path =~ /\/([0-9a-z]{32})[^\/]*/);
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print "$path\n";
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my $pathid = $1;
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# Construct a name for the Nix archive. If the file is an
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# fstate successor, encode this into the name.
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my $name = $pathid;
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if ($path =~ /-s-([0-9a-z]{32}).nix$/) {
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$name = "$name-s-$1";
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}
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$name = $name . ".nar.bz2";
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# Construct a Fix expression that creates a Nix archive.
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my $fixexpr =
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"App(IncludeFix(\"nar/nar.fix\"), " .
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"[ (\"path\", Closure([\"$path\"], [(\"$path\", \"$pathid\", [])]))" .
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"])";
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print FIX "," unless ($first);
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$first = 0;
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print FIX $fixexpr;
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}
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}
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print FIX "]";
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close FIX;
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# Instantiate a Nix expression from the Fix expression.
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my @nids;
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print STDERR "running fix...\n";
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open NIDS, "fix $fixfile |" or die "cannot run fix";
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while (<NIDS>) {
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chomp;
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die unless /^([0-9a-z]{32})$/;
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push @nids, $1;
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}
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# Realise the Nix expression.
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my @pushlist;
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print STDERR "creating archives...\n";
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system "nix --install @nids > /dev/null";
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if ($?) { die "`nix --install' failed"; }
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open NIDS, "nix --query --list @nids |" or die "cannot run nix";
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while (<NIDS>) {
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chomp;
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die unless (/^\//);
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print "$_\n";
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push @pushlist, "$_/*";
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}
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# Push the prebuilts to the server. !!! FIXME
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if (scalar @pushlist > 0) {
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system "rsync -av -e ssh @pushlist eelco\@losser.st-lab.cs.uu.nl:/home/eelco/public_html/nix-dist/";
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}
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