From 44a1f6078742e2da695420ed84f3ef68a7554442 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Tue, 22 Feb 2005 15:34:58 +0000
Subject: [PATCH] * `md5' -> `id' in compatibility mode.

svn path=/nixpkgs/trunk/; revision=2273
---
 pkgs/build-support/fetchurl/builder.sh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkgs/build-support/fetchurl/builder.sh b/pkgs/build-support/fetchurl/builder.sh
index 74ea1f5a9c58..afa381fabc6c 100644
--- a/pkgs/build-support/fetchurl/builder.sh
+++ b/pkgs/build-support/fetchurl/builder.sh
@@ -5,9 +5,13 @@ header "downloading $out from $url"
 curl --fail --location --max-redirs 20 "$url" > "$out"
 
 if test "$NIX_OUTPUT_CHECKED" != "1"; then
+    if test "$outputHashAlgo" != "md5"; then
+        echo "hashes other than md5 are unsupported in Nix <= 0.7, upgrade to Nix 0.8"
+        exit 1
+    fi
     actual=$(md5sum -b "$out" | cut -c1-32)
-    if test "$actual" != "$md5"; then
-        echo "hash is $actual, expected $md5"
+    if test "$actual" != "$id"; then
+        echo "hash is $actual, expected $id"
         exit 1
     fi
 fi