From bb6d0704547698db4dae87c1ba35144baafde926 Mon Sep 17 00:00:00 2001
From: Gerald Lonlas <g.lonlas@gmail.com>
Date: Sun, 16 Oct 2022 13:46:34 +0800
Subject: [PATCH] Enforce usage of bash

---
 README.md                                 |  4 ++--
 install-stable-diffusion-apple-silicon.sh | 15 +++++++++++++++
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 66bc1b3..3b863a9 100644
--- a/README.md
+++ b/README.md
@@ -12,14 +12,14 @@ git clone git@github.com:glonlas/Stable-Diffusion-Apple-Silicon-M1-Install.git
 
 cd Stable-Diffusion-Apple-Silicon-M1-Install
 
-./install-stable-diffusion-apple-silicon.sh
+bash ./install-stable-diffusion-apple-silicon.sh
 ```
 
 Option 2: Download offline copy of this repo
 ```bash
 curl https://raw.githubusercontent.com/glonlas/Stable-Diffusion-Apple-Silicon-M1-Install/main/install-stable-diffusion-apple-silicon.sh -o install-stable-diffusion-apple-silicon.sh
 
-./install-stable-diffusion-apple-silicon.sh
+bash ./install-stable-diffusion-apple-silicon.sh
 ```
 
 ## How to use it?
diff --git a/install-stable-diffusion-apple-silicon.sh b/install-stable-diffusion-apple-silicon.sh
index e325c9f..86bb1ba 100755
--- a/install-stable-diffusion-apple-silicon.sh
+++ b/install-stable-diffusion-apple-silicon.sh
@@ -44,6 +44,19 @@ RESET="\033[0m\033[39m"
 # -- FUNCTIONS -----------------------------------------------------------------------------------
 STABLE_DIFFUSION_IS_INSTALLED=1
 
+function check_interpreter(){
+    INTERPRETER=$(ps -p $$ | tail -1 | awk '{print $4}')
+    if [[ $INTERPRETER != "/bin/bash" ]]; then
+        echo "ERROR: Wrong interpreter used"
+        echo "This script needs to be executed with bash to work."
+        echo "Instead you are using $INTERPRETER."
+        echo ""
+        echo "Execute the script with the command:"
+        echo "bash ./install-stable-diffusion-apple-silicon.sh"
+        exit 1
+    fi
+}
+
 function check_OS() {
     if [[ "$OSTYPE" == "darwin"* ]]; then
         if [[ $(uname -m) != 'arm64' ]]; then
@@ -355,6 +368,8 @@ function upscale_picture() {
 
 # -- MAIN -----------------------------------------------------------------------------------------
 function main() {
+    check_interpreter
+
     echo ""
     echo ""
     echo "+-----------------------------------------+"