c7bdb76fe4
* When pushing, put the hash in the file name so that the client can verify (proof-carrying file names?).
82 lines
2.3 KiB
Perl
82 lines
2.3 KiB
Perl
#! /usr/bin/perl -w
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my @pushlist;
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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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# fstate 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 --refs $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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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 $fixexpr =
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"App(IncludeFix(\"nar/nar.fix\"), " .
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"[ (\"path\", Slice([\"$pathid\"], [(\"$path\", \"$pathid\", [])]))" .
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"])";
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my $fixfile = "/tmp/nix-push-tmp.fix";
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open FIX, ">$fixfile";
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print FIX $fixexpr;
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close FIX;
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# Instantiate a Nix expression from the Fix expression.
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my $nid = `fix $fixfile`;
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$? and die "instantiating Nix archive expression";
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chomp $nid;
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die unless $nid =~ /^([0-9a-z]{32})$/;
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# Realise the Nix expression.
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system "nix --install $nid";
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if ($?) { die "`nix --install' failed"; }
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my $npath = `nix --query --list $nid 2> /dev/null`;
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$? and die "`nix --query --list' failed";
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chomp $npath;
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push @pushlist, "$npath/*";
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print "$path -> $npath\n";
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}
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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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