--- /usr/bin/makepkg	2012-01-13 05:45:39.000000000 +0100
+++ makepkg	2012-02-04 18:25:38.470527435 +0100
@@ -1722,7 +1722,15 @@
 			msg "$(gettext "Determining latest %s revision...")" 'hg'
 			if [[ -d ./src/$_hgrepo ]] ; then
 				cd ./src/$_hgrepo
-				hg pull
+				tmp_stderr=$(mktemp)
+				hg pull 2> "$tmp_stderr" || true
+				if [[ -s "$tmp_stderr" ]] ; then
+					cat "$tmp_stderr" >&2
+					rm "$tmp_stderr"
+					exit 1
+				else
+					rm "$tmp_stderr"
+				fi
 				hg update
 			else
 				[[ ! -d ./src/ ]] && mkdir ./src/