commit 5266f50060b37bc59e20bc06771a9888939ec7be
from: Omar Polo <op@omarpolo.com>
date: Sun Jan 30 13:31:29 2022 UTC

posixify lib.sh: use = instead of == for test(1)

commit - 7ac42a178b4529832ca1b5a34d82b0a5ac999560
commit + 5266f50060b37bc59e20bc06771a9888939ec7be
blob - 3a4e8f4970740c26f9af6abd9e8a581e5e63c69f
blob + fb6d046ce120ac939f07f02606b9c3703106b5be
--- regress/lib.sh
+++ regress/lib.sh
@@ -161,7 +161,7 @@ check() {
 	fi
 
 	pid="$(cat gmid.pid || true)"
-	if [ "$pid" == "" ]; then
+	if [ "$pid" = "" ]; then
 		return 1
 	fi