From b275f2ed3b2ae8fc22912122a5a4cdd5ef0fe0cd Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Wed, 14 Apr 2004 08:09:27 +0000
Subject: [PATCH] * `*.gcroot' files can now containing multiple roots.

---
 scripts/nix-collect-garbage.in | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/scripts/nix-collect-garbage.in b/scripts/nix-collect-garbage.in
index 20c6731a14..fc67f1d55d 100755
--- a/scripts/nix-collect-garbage.in
+++ b/scripts/nix-collect-garbage.in
@@ -26,10 +26,14 @@ foreach my $link (@links) {
     $link = $linkdir . "/" . $link;
     next if (!($link =~ /.gcroot$/));
     open ROOT, "<$link" or die "cannot open $link: $!";
-    my $root = <ROOT>;
-    chomp $root;
+    while (<ROOT>) {
+        chomp;
+        foreach my $root (split ' ') {
+            die "bad root `$root' in file `$link'" unless $root =~ /^\S+$/;
+            push @roots, $root;
+        }
+    }
     close ROOT;
-    push @roots, $root;
 }
 
 my $extraarg = "";