From c756153cfbaee0ce93d2913ce62b79f8b6d5cae6 Mon Sep 17 00:00:00 2001
From: TheBrokenRail <connor24nolan@live.com>
Date: Sat, 10 Oct 2020 20:36:42 -0400
Subject: [PATCH] Fix adduser Usage (Thanks @gamercat113)

---
 debian/client/usr/bin/minecraft-pi | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/debian/client/usr/bin/minecraft-pi b/debian/client/usr/bin/minecraft-pi
index 47fb7ef..de5ae07 100755
--- a/debian/client/usr/bin/minecraft-pi
+++ b/debian/client/usr/bin/minecraft-pi
@@ -17,7 +17,12 @@ VIRGL_PID="$!"
 # Ensure Groups Are Correct
 if [ -z "${MCPI_SUBSHELL}" ]; then
     if ! id -Gn "$(whoami)" | grep '\bdocker\b' > /dev/null; then
-        pkexec adduser "$(whoami)" docker
+        if ! command -v adduser &> /dev/null
+        then
+            pkexec usermod -aG "$(whoami)" docker
+        else
+            pkexec adduser "$(whoami)" docker
+        fi
     fi
     exec sg docker "env MCPI_SUBSHELL=1 \"$(realpath -e "$0")\""
 fi