From: Russ Cox <rsc@golang.org>
Date: Wed, 27 Jul 2011 21:38:39 +0000 (-0400)
Subject: build: fix for noclobber users
X-Git-Tag: weekly.2011-07-29~39
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=db3088a37c3e4743183bc4c5934c1d4ebc3ca498;p=gostls13.git

build: fix for noclobber users

Fixes #2020.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/4814056
---

diff --git a/src/env.bash b/src/env.bash
index f83012a266..a01a03e45c 100644
--- a/src/env.bash
+++ b/src/env.bash
@@ -88,6 +88,11 @@ if bison --version 2>&1 | grep 'bison++' >/dev/null 2>&1; then
 	exit 1
 fi
 
+# Issue 2020: some users configure bash to default to
+#	set +o noclobber
+# which makes >x fail if x already exists.  Restore sanity.
+set -o noclobber
+
 # Tried to use . <($MAKE ...) here, but it cannot set environment
 # variables in the version of bash that ships with OS X.  Amazing.
 eval $($MAKE --no-print-directory -f Make.inc go-env | egrep 'GOARCH|GOOS|GOHOSTARCH|GOHOSTOS|GO_ENV')