Fri Oct 15 12:55:46 UTC 2010  Dave Love <fx@gnu.org>
  * Use diff --quiet.
  Prevents `Copying pristine' messages in output with darcs pre-2.5.
diff -rN -u old-darcsweb/darcsweb.cgi new-darcsweb/darcsweb.cgi
--- old-darcsweb/darcsweb.cgi	2015-10-02 17:36:14.000000000 +0000
+++ new-darcsweb/darcsweb.cgi	2015-10-02 17:36:14.000000000 +0000
@@ -682,7 +682,7 @@
 	def getdiff(self):
 		"""Returns a list of lines from the diff -u corresponding with
 		the patch."""
-		params = 'diff -u --match "hash %s"' % self.hash
+		params = 'diff --quiet -u --match "hash %s"' % self.hash
 		f = run_darcs(params)
 		return f.readlines()
 
@@ -928,16 +928,16 @@
 	return patch
 
 def get_diff(hash):
-	return run_darcs('diff -u --match "hash %s"' % hash)
+	return run_darcs('diff --quiet -u --match "hash %s"' % hash)
 
 def get_file_diff(hash, fname):
-	return run_darcs('diff -u --match "hash %s" "%s"' % (hash, fname))
+	return run_darcs('diff --quiet -u --match "hash %s" "%s"' % (hash, fname))
 
 def get_file_headdiff(hash, fname):
-	return run_darcs('diff -u --from-match "hash %s" "%s"' % (hash, fname))
+	return run_darcs('diff --quiet -u --from-match "hash %s" "%s"' % (hash, fname))
 
 def get_patch_headdiff(hash):
-	return run_darcs('diff -u --from-match "hash %s"' % hash)
+	return run_darcs('diff --quiet -u --from-match "hash %s"' % hash)
 
 def get_raw_diff(hash):
 	import gzip