installer.sh

#!/bin/sh
 sudo apt-get update 
 sudo apt-get -y upgrade
 cat ~/Minecraft1.12.2/text/raspi-config
 sleep 10s
 sudo raspi-config
 sudo apt-get -y install libalut0 libalut-dev && sudo apt-get -y install mesa-utils
 cat ~/Minecraft1.12.2/text/fps
 sleep 10s
 glxgears
 mkdir ~/Minecraft; mkdir ~/Minecraft/Natives; cd ~/Minecraft && wget https://s3.amazonaws.com/Minecraft.Download/launcher/Minecraft.jar
 cat ~/Minecraft1.12.2/text/launcher
 sleep 10s
 cd ~/Minecraft 
 java -jar Minecraft.jar
 cd ~/Minecraft/Natives && wget https://www.dropbox.com/s/4oxcvz3ky7a3x6f/liblwjgl.so && wget https://www.dropbox.com/s/m0r8e01jg2og36z/libopenal.so
 cd ~/.minecraft/libraries/org/lwjgl/lwjgl/lwjgl/2.9.4-nightly-20150209 && rm lwjgl-2.9.4-nightly-20150209.jar; wget https://www.dropbox.com/s/mj15sz3bub4dmr6/lwjgl-2.9.4-nightly-20150209.jar
wget https://raw.githubusercontent.com/leafs444/optifine1.12.2c9/OptiFine_1.12.2_HD_U_C9.jar
 mv optifine1.12.2c9/OptiFine_1.12.2_HD_C9.jar ~/Downloads/OptiFineInstall
 cat ~/Minecraft1.12.2/text/optifine
 sleep 10s
 cd ~/Downloads && java -jar OptiFineInstall
 cat ~/Minecraft1.12.2/text/launcher2
 sleep 10s
 cd ~/Minecraft && java -jar Minecraft.jar
 cd ~/Minecraft/ && wget https://www.dropbox.com/s/trsel8nhan34b8q/runOptifine1_12_2.sh && sudo chmod +x runOptifine1_12_2.sh
 cat ~/Minecraft1.12.2/text/edit
 sleep 10s
 nano ~/Minecraft/runOptifine1_12_2.sh
 cp ~/Minecraft/runOptifine1_12_2.sh ~/Desktop/Minecraft\ \1.12.2
 cat ~/Minecraft1.12.2/text/success
 sleep 10s
 sudo reboot