update_stepmania.sh

#!/bin/bash

# You must change '~/'stepmania to the actual path to your stepmania folder for this to work.
# '~/' is your home folder.  '~/stepmania' is a folder named 'stepmania' inside your home folder.
cd ~/stepmania

# git stash commands are for people that edit the source and don't commit their changes or make pull requests
# Uncommand the git stash commands if you edit the source.  If you commit local changes to a local branch, you probably know which git commands to use instead.
# git stash

# 5_1-new is the current 5.0.x semi-compatible branch.
git pull origin 5_1-new

# git stash pop
cd Build
if make -j4; then
		# xmessage for a visual notification when done.
		xmessage "Stepmania done compiling."
else
		rm -r CMake* CPack* Makefile src
		if CXXFLAGS='-O3 -fuse-ld=gold' cmake -G 'Unix Makefiles' -DWITH_FFMPEG_JOBS=1 -DCMAKE_BUILD_TYPE=Release -DWITH_FULL_RELEASE=YES .. && cmake ..; then
				if make -j4; then
						# xmessage for a visual notification when done.
						xmessage "Stepmania compiled after rebuilding cmake cache."
				else
						xmessage "Compiling stepmania failed."
				fi
		else
				xmessage "Running cmake after clearing cmake cache failed, bug a dev or something."
		fi
fi