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xorg: add caching to generate-expr-from-tarballs.pl

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This commit is contained in:
Andrew Childs 2018-08-20 23:11:28 +09:00 committed by John Ericson
parent 9454f71fef
commit 0e12683470
1 changed files with 14 additions and 2 deletions
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16
pkgs/servers/x11/xorg/generate-expr-from-tarballs.pl
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@ -13,6 +13,9 @@
use strict;
use warnings;
use File::Basename;
use File::Spec::Functions;
my $tmpDir = "/tmp/xorg-unpack";
@ -43,7 +46,6 @@ $pcMap{"\$DRI2PROTO"} = "dri2proto";
my $downloadCache = "./download-cache";
$ENV{'NIX_DOWNLOAD_CACHE'} = $downloadCache;
mkdir $downloadCache, 0755;
@ -76,7 +78,17 @@ while (<>) {
$pkgURLs{$pkg} = $tarball;
$pkgNames{$pkg} = $pkgName;
my ($hash, $path) = `PRINT_PATH=1 QUIET=1 nix-prefetch-url '$tarball'`;
my $cachePath = catdir($downloadCache, basename($tarball));
my $hash;
my $path;
if (-e $cachePath) {
$path = readlink($cachePath);
$hash = `nix-hash --type sha256 --base32 --flat $cachePath`;
}
else {
($hash, $path) = `PRINT_PATH=1 QUIET=1 nix-prefetch-url '$tarball'`;
`nix-store --realise --add-root $cachePath --indirect $path`;
}
chomp $hash;
chomp $path;
$pkgHashes{$pkg} = $hash;