From d29084dd7d23cb0efe0732b22aa669adcc5eaa0e Mon Sep 17 00:00:00 2001
From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Mon, 13 Oct 2008 08:54:42 +0000
Subject: [PATCH] testcase for the last fix

---
 shell/hush_test/hush-vars/var_preserved.right |  4 ++++
 shell/hush_test/hush-vars/var_preserved.tests | 16 ++++++++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 shell/hush_test/hush-vars/var_preserved.right
 create mode 100755 shell/hush_test/hush-vars/var_preserved.tests

diff --git a/shell/hush_test/hush-vars/var_preserved.right b/shell/hush_test/hush-vars/var_preserved.right
new file mode 100644
index 000000000..b0def4bb6
--- /dev/null
+++ b/shell/hush_test/hush-vars/var_preserved.right
@@ -0,0 +1,4 @@
+a=a
+a=a
+a=a
+OK
diff --git a/shell/hush_test/hush-vars/var_preserved.tests b/shell/hush_test/hush-vars/var_preserved.tests
new file mode 100755
index 000000000..132d387b4
--- /dev/null
+++ b/shell/hush_test/hush-vars/var_preserved.tests
@@ -0,0 +1,16 @@
+export a=a
+
+# external program
+a=b /bin/true
+env | grep ^a=
+
+# builtin
+a=b true
+env | grep ^a=
+
+# exec with redirection only
+# in bash, this leaks!
+a=b exec 1>&1
+env | grep ^a=
+
+echo OK
-- 
2.25.1