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Specify priority via NIX_SERVE_PRIORITY #46

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Specify priority via NIX_SERVE_PRIORITY #46

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5 changes: 4 additions & 1 deletion nix-serve.psgi
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ use Nix::Config;
use Nix::Manifest;
use Nix::Store;
use Nix::Utils;
use Scalar::Util;
use strict;

sub stripPath {
Expand All @@ -13,9 +14,11 @@ sub stripPath {
my $app = sub {
my $env = shift;
my $path = $env->{PATH_INFO};
my $priority = $ENV{"NIX_SERVE_PRIORITY"} || "30";

if ($path eq "/nix-cache-info") {
return [200, ['Content-Type' => 'text/plain'], ["StoreDir: $Nix::Config::storeDir\nWantMassQuery: 1\nPriority: 30\n"]];
die("NIX_SERVE_PRIORITY must be numeric") unless Scalar::Util::looks_like_number($priority);
return [200, ['Content-Type' => 'text/plain'], ["StoreDir: $Nix::Config::storeDir\nWantMassQuery: 1\nPriority: $priority\n"]];
}

elsif ($path =~ /^\/([0-9a-z]+)\.narinfo$/) {
Expand Down