From 0df5fff6f77ff9dd2323757b024c53b6769096af Mon Sep 17 00:00:00 2001
From: Janos Bonic <86970079+janosdebugs@users.noreply.github.com>
Date: Mon, 21 Mar 2022 22:55:59 +0100
Subject: [PATCH] Better OS detection

This PR adds better OS detection using `/etc/os-release` to avoid edge cases where the `rpm` binary is installed on Debian systems.
---
 get.sh | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/get.sh b/get.sh
index 411477a6f..82f1c136c 100644
--- a/get.sh
+++ b/get.sh
@@ -34,12 +34,27 @@ detectOS() {
     # Minimalist GNU for Windows
     mingw*) OS='windows' ;;
     esac
-
-    if type "rpm" &>/dev/null; then
-        PKG_FORMAT="rpm"
-    elif type "dpkg" &>/dev/null; then
-        PKG_FORMAT="deb"
+    
+    if [ -f /etc/os-release ]; then
+        OS_ID="$(. /etc/os-release && echo "$ID")"
     fi
+    case "${OS_ID}" in
+        ubuntu|debian|raspbian)
+            PKG_FORMAT="deb"
+        ;;
+        
+        centos|rhel|sles)
+            PKG_FORMAT="rpm"
+        ;;
+        
+        *)
+            if type "rpm" &>/dev/null; then
+                PKG_FORMAT="rpm"
+            elif type "dpkg" &>/dev/null; then
+                PKG_FORMAT="deb"
+            fi
+        ;;
+    esac
 }
 
 # runs the given command as root (detects if we are root already)