#!/bin/bash
#Installs the Vulkan library and other goodies. Works on Arch and Arch based distros. Needs pacman and makepkg
installVulkan(){
	#Tries installing every linux package in existence
	packages=( vulkan-tools libvulkan-dev vulkan-loader-devel vulkan-validation-layers spirv-tools mesa-vulkan-devel vulkan-validation-layers-devel )
	for package in ${packages[*]}; do
	sudo pacman --noconfirm -S $package
	done
}
installLibraries(){
	#All of these packages don't exist, so we have to download and install the AUR packages
	#packages=( libglfw3-dev glfw-devel libglm glm-devel )
	#for package in ${packages[*]}; do
	# sudo pacman --noconfirm -S $package
	#done
	sudo git clone https://aur.archlinux.org/glfw-git.git /tmp/glfw-git
	sudo chmod 777 /tmp/glfw-git
	cd /tmp/glfw-git
	makepkg -si

	sudo git clone https://aur.archlinux.org/glm-git.git /tmp/glm-git
	sudo chmod 777 /tmp/glm-git
	cd /tmp/glm-git
	makepkg -si
}
installShaderCompiler(){
	#Basically installs glslc
	sudo pacman -S shaderc
}
while true; do
	select bruh in installVulkan installLibraries installShaderCompiler "exit"; do
	$bruh
	done
done

#!/bin/bash

git status

echo "Do you want to add all changed files?"
select yn in "Yes" "No"; do
        case $yn in
                Yes ) break;;
                No ) exit 1;;
        esac
done

git add -u

git status

echo "Does this look right?"
select yn in "Yes" "No"; do
        case $yn in
                Yes ) break;;
                No ) exit 2;;
        esac
done

git commit

echo "Do you want to push?"
select yn in "Yes" "No"; do
        case $yn in
                Yes ) break;;
                No ) exit 2;;
        esac
done

git push

#diskRipper.sh by Leif Messinger
#For use on debian, where your cds aren't immediately mounted
wall "CD inserted boss"
set -x	#echo on

cdDrivePath=$(ls -l /dev/cdrom | awk '{print $NF}')
#CD could have no label, so that's why I need awk
cdLabel=$(lsblk -n "/dev/$cdDrivePath" -o label)
if [[ ! -z "$cdLabel" ]]; then	#CD has label
folderName=$cdLabel
echo "The cd label is ${folderName}"
if mkdir ./cds/"${folderName}"; then	#Folder didn't exist before
sudo mount /dev/cdrom ./.cdmountpoint

sudo cp -r ./.cdmountpoint/* "./cds/${folderName}"
sudo chmod -R 777 "./cds/${folderName}"

sudo umount ./.cdmountpoint
eject
wall "CD done and ejecting"
else
wall "Already read that cd, skipped"
fi
else
wall "CD had no label, skipped"
fi

name="John"
echo ${name}
echo ${name/J/j}    #=> "john" (substitution)
echo ${name:0:2}    #=> "Jo" (slicing)
echo ${name::2}     #=> "Jo" (slicing)
echo ${name::-1}    #=> "Joh" (slicing)
echo ${name:(-1)}   #=> "n" (slicing from right)
echo ${name:(-2):1} #=> "h" (slicing from right)
echo ${food:-Cake}  #=> $food or "Cake"

# Three ways of checking if a file exists in a shell script

FILE=/etc/resolv.conf

if test -f "$FILE"; then
    echo "$FILE exists."
fi

if [ -f "$FILE" ]; then
    echo "$FILE exists."
fi

if [[ -f "$FILE" ]]; then
    echo "$FILE exists."
fi

#!/bin/bash

for branch in $(git branch | cut -c 3-); do
    read -p "Delete local branch $branch? (y/n) " -n 1 -r
    echo ""
    if [[ $REPLY =~ ^[Yy]$ ]]; then
        git branch -D $branch
    fi
done