From 060100096818f3eb6393a9a8420afa1fef2522e8 Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <bradfitz@golang.org>
Date: Wed, 12 Oct 2011 10:55:42 -0700
Subject: [PATCH] catch future accidental dependencies to exp/ or old/

R=golang-dev, adg, rsc
CC=golang-dev
https://golang.org/cl/5247055
---
 src/pkg/deps.bash | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/pkg/deps.bash b/src/pkg/deps.bash
index 2095ec1d88..d7919aa2e1 100755
--- a/src/pkg/deps.bash
+++ b/src/pkg/deps.bash
@@ -47,3 +47,8 @@ for dir in $dirs; do (
 ) done > $TMP
 
 mv $TMP $OUT
+
+if (egrep -v '^(exp|old)/' $OUT | egrep -q " (exp|old)/"); then
+	echo "$0: $OUT contains dependencies to exp or old packages"
+        exit 1
+fi
-- 
2.48.1