From 0243eea4b92ca1598353e31b7e3c0d195c903221 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Wed, 20 Jul 2011 11:47:00 +0000
Subject: [PATCH] * Create a symlink to /nix/var/nix/manifests in
 /nix/var/nix/gcroots   if it doesn't exist.

---
 scripts/nix-pull.in | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/scripts/nix-pull.in b/scripts/nix-pull.in
index d2979721a..51c7e681a 100644
--- a/scripts/nix-pull.in
+++ b/scripts/nix-pull.in
@@ -24,6 +24,14 @@ if (! -e $manifestDir) {
 }
 
 
+# Make sure that the manifests directory is scanned for GC roots.
+my $gcRootsDir = "$stateDir/gcroots";
+my $manifestDirLink = "$gcRootsDir/manifests";
+if (! -l $manifestDirLink) {
+    symlink($manifestDir, $manifestDirLink) or die "cannot create symlink `$manifestDirLink'";
+}
+
+
 # Process the URLs specified on the command line.
 my %narFiles;
 my %patches;