Wed Dec 21 15:00:33 UTC 2005  Alberto Bertogli <albertogli@telpin.com.ar>
  * Identify binary files in plainblob.
  If we want to do a plainblob of a binary file, it's better to offer a proper
  download than to display it as text/plain.
  
  This patch identifies binary files (looking at darcs' information) and offers
  them for download with the proper name.
diff -rN -u old-darcsweb/darcsweb.cgi new-darcsweb/darcsweb.cgi
--- old-darcsweb/darcsweb.cgi	2013-07-22 05:48:50.000000000 +0000
+++ new-darcsweb/darcsweb.cgi	2013-07-22 05:48:50.000000000 +0000
@@ -395,6 +395,11 @@
 def print_plain_header():
 	print "Content-type: text/plain; charset=utf-8\n"
 
+def print_binary_header(fname = None):
+	print "Content-type: application/octet-stream"
+	if fname:
+		print "Content-Disposition:attachment;filename=%s" % fname
+	print
 
 
 #
@@ -1673,10 +1678,16 @@
 
 
 def do_plainblob(fname):
-	print_plain_header()
 	f = open(realpath(fname), 'r')
-	for l in f:
-		sys.stdout.write(fixu8(l))
+
+	if isbinary(fname):
+		print_binary_header(os.path.basename(fname))
+		for l in f:
+			sys.stdout.write(l)
+	else:
+		print_plain_header()
+		for l in f:
+			sys.stdout.write(fixu8(l))
 
 
 def do_annotate(fname, phash, style):