# HG changeset patch
# User Rob Landley <rob@landley.net>
# Date 1300445915 18000
# Node ID ffb07a48a9600c2ffd346e5c85cf86107b78dda1
# Parent  37c0b0e53b53b3b040aa037a39f5d2e29acb4530
If sha1sum isn't installed, download falls back through all the mirrors repeatedly downloading stuff, without explaining why it failed.

diff -r 37c0b0e53b53 -r ffb07a48a960 sources/download_functions.sh
--- a/sources/download_functions.sh	Mon Mar 14 19:07:38 2011 -0500
+++ b/sources/download_functions.sh	Fri Mar 18 05:58:35 2011 -0500
@@ -187,6 +187,12 @@
   [ -z "$RENAME" ] || FILENAME="$(echo "$FILENAME" | sed -r "$RENAME")"
   ALTFILENAME=alt-"$(noversion "$FILENAME" -0)"
 
+  if [ -z "$(sha1sum < /dev/null)" ]
+  then
+    echo "Error: please install sha1sum" >&2
+    exit 1
+  fi
+
   echo -ne "checking $FILENAME\r"
 
   # Update timestamps on both stable and unstable tarballs (if any)