sh: Do parameter expansion on ENV before using it.

This is required by POSIX, and allows things like ENV=\$HOME/.shrc.

Note that tilde expansion is explicitly not performed.

1 files changed, 11 insertions, 0 deletions

diff --git a/tools/regression/bin/sh/parameters/env1.0 b/tools/regression/bin/sh/parameters/env1.0
new file mode 100644
index 0000000..c0d4a2c
--- /dev/null
+++ b/tools/regression/bin/sh/parameters/env1.0
@@ -0,0 +1,11 @@
+# $FreeBSD$
+
+export key='must contain this'
+unset x
+r=$(ENV="\${x?\$key}" ${SH} -i +m 2>&1 >/dev/null <<\EOF
+exit 0
+EOF
+) && case $r in
+*"$key"*) true ;;
+*) false ;;
+esac