From 0837348049bbdd24378ad9376caad932712d5acd Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Wed, 4 Apr 2012 15:41:35 +0200
Subject: [PATCH] Follow redirects when checking for the existence of
 MANIFEST.bz2

If we don't follow redirects, we might think that MANIFEST.bz2 exists
just because the HEAD request succeeds on the redirector URI.
---
 scripts/nix-pull.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/nix-pull.in b/scripts/nix-pull.in
index 136a5c9fa..084197c48 100755
--- a/scripts/nix-pull.in
+++ b/scripts/nix-pull.in
@@ -50,7 +50,7 @@ sub processURL {
     my $manifest;
 
     # First see if a bzipped manifest is available.
-    if (system("$Nix::Config::curl --fail --silent --head '$url'.bz2 > /dev/null") == 0) {
+    if (system("$Nix::Config::curl --fail --silent --location --head '$url'.bz2 > /dev/null") == 0) {
         print "fetching list of Nix archives at `$url.bz2'...\n";
         $manifest = downloadFile "$url.bz2";
     }