From 05a60c2ea35756586c5edafec5f0286fe888bf38 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Wed, 29 Apr 2020 15:32:08 +0000
Subject: [PATCH] Fixed showrev.sh when using the Bourne shell

---
 build-scripts/showrev.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/build-scripts/showrev.sh b/build-scripts/showrev.sh
index 788d7ef2f..d3b131a14 100755
--- a/build-scripts/showrev.sh
+++ b/build-scripts/showrev.sh
@@ -7,7 +7,7 @@ cd $SDL_ROOT
 
 if [ -x "$(command -v hg)" ]; then
     rev="$(hg parents --template 'hg-{rev}:{node|short}' 2>/dev/null)"
-    if [ "$?" == 0 ]; then
+    if [ $? = 0 ]; then
         echo $rev
         exit 0
     fi
@@ -15,7 +15,7 @@ fi
 
 if [ -x "$(command -v p4)" ]; then
     rev="$(p4 changes -m1 ./...\#have 2>/dev/null| awk '{print $2}')"
-    if [ "$?" == 0 ]; then
+    if [ $? = 0 ]; then
         echo $rev
         exit 0
     fi