sh: Use PATH= assignment in type.

Example:
  PATH=/var/empty; PATH=/bin type ls

2 files changed, 27 insertions, 1 deletions

diff --git a/bin/sh/exec.c b/bin/sh/exec.c
index 02cf91e..c9f9a26 100644
--- a/bin/sh/exec.c
+++ b/bin/sh/exec.c
@@ -838,5 +838,5 @@ typecmd_impl(int argc, char **argv, int cmd, const char *path)
 int
 typecmd(int argc, char **argv)
 {
-	return typecmd_impl(argc, argv, TYPECMD_TYPE, pathval());
+	return typecmd_impl(argc, argv, TYPECMD_TYPE, bltinlookup("PATH", 1));
 }
diff --git a/tools/regression/bin/sh/builtins/type2.0 b/tools/regression/bin/sh/builtins/type2.0
new file mode 100644
index 0000000..fe44d95
--- /dev/null
+++ b/tools/regression/bin/sh/builtins/type2.0
@@ -0,0 +1,26 @@
+# $FreeBSD$
+
+failures=0
+
+check() {
+	if ! eval "$*"; then
+		echo "Failed: $*"
+		: $((failures += 1))
+	fi
+}
+
+check 'PATH=/libexec type ld-elf.so.1 >/dev/null'
+check '! PATH=/libexec type ls 2>/dev/null'
+
+PATH=/libexec:$PATH
+
+check 'type ld-elf.so.1 >/dev/null'
+
+PATH=/libexec
+
+check 'type ld-elf.so.1 >/dev/null'
+check '! type ls 2>/dev/null'
+check 'PATH=/bin type ls >/dev/null'
+check '! PATH=/bin type ld-elf.so.1 2>/dev/null'
+
+exit $((failures > 0))