From d7d7910ba48d898bda2db92a4f16a6179c855f7d Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Wed, 16 Nov 2011 16:25:38 +0000
Subject: * Don't decompress the manifests in /nix/var/nix/manifest.  This
 saves   disk space, and, since they're typically only decompressed once (to  
 fill the manifest cache), doesn't make things slower.

---
 perl/lib/Nix/Manifest.pm | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'perl')

diff --git a/perl/lib/Nix/Manifest.pm b/perl/lib/Nix/Manifest.pm
index 21c61d284..9c891abb8 100644
--- a/perl/lib/Nix/Manifest.pm
+++ b/perl/lib/Nix/Manifest.pm
@@ -53,8 +53,14 @@ sub addPatch {
 sub readManifest_ {
     my ($manifest, $addNAR, $addPatch) = @_;
 
-    open MANIFEST, "<$manifest"
-        or die "cannot open `$manifest': $!";
+    # Decompress the manifest if necessary.
+    if ($manifest =~ /\.bz2$/) {
+        open MANIFEST, "$Nix::Config::bzip2 -d < $manifest |"
+            or die "cannot decompress `$manifest': $!";
+    } else {
+        open MANIFEST, "<$manifest"
+            or die "cannot open `$manifest': $!";
+    }
 
     my $inside = 0;
     my $type;
-- 
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