#!/bin/bash

#Originally made by Isaac Cook https://gist.github.com/icook/5400173

#Modified by Leif Messinger

#upload_key.sh [server_ip [server2_ip [...]]]

#To be run locally on a linux computer

if [ -e ~/.ssh/id_rsa.pub ];
then
    echo "SSH Key already exists on local machine"
else
    echo "Generating SSH key on local machine"
    ssh-keygen -t rsa   #generates id_rsa and id_rsa.pub
    chmod -R 700 ~/.ssh #Sets permissions of ssh folder
    ssh-add     #Adds keys (and passwords?) to ssh_agent. (hopefully doesn't require password)
fi

echo "Loading client public key into memory"
pubKey=$(<~/.ssh/id_rsa.pub)

for server
do
    echo "Adding client public key to $server remote server authorized keys"
    #Idiot Isaac Cook didn't know about ssh-copy-id
    #ssh-copy-id even checks if your key already exists
    #In fairness, I didn't either until researching ssh-add
    ssh-copy-id -i ~/.ssh/id_rsa.pub $server        #In theory, this should prompt for a username

    #ssh $server "mkdir -p ~/.ssh;  #Make the folder if not already made
    #       echo \"$pubKey\" >> ~/.ssh/authorized_keys;     #Append your public key to the server's authorized_keys
    #       chmod 700 ~/.ssh && chmod 600 ~/.ssh/authorized_keys"   #Set the correct permissions of those files

    #echo "Adding server public key to local authorized keys"
    #ssh $server "ssh-copy-id -i ~/.ssh/id_rsa.pub \$SSH_CLIENT" #this might need some awk, as $SSH_CLIENT spits out clientip portnumber

    echo "Displaying server public key"
    ssh $server "cat ~/.ssh/id_rsa.pub"

    #Though, he did give me a good idea
    echo "Displaying keys authorized on $server (you can paste them in your authorized_keys file)"
    ssh $server "cat ~/.ssh/authorized_keys"

    #echo "Appending keys authorized on $server to your local authorized_keys"
    #ssh $server "cat ~/.ssh/authorized_keys" >> ~/.ssh/authorized_keys
done
echo "SSH keys schronized successfully!"

#!/bin/bash

#getDependencies.sh by Leif Messinger
	grep -Po '#include\s*"\K.+(?=")' | while read -r line ; do
	echo -n " $line"
	./getDependencies.sh < $line
done

#!/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

#pinger.sh by Leif Messinger

#./pinger.sh [ADDRESS] to search

#./pinger.sh [ADDRESS] & to search in the background

#https://serverfault.com/a/42382
ping_cancelled=false # Keep track of whether the loop was cancelled, or succeeded
until ping -c1 "$1" >/dev/null 2>&1; do :; done & # The "&" backgrounds it
trap "kill $!; ping_cancelled=true" SIGINT
wait $! # Wait for the loop to exit, one way or another
trap - SIGINT # Remove the trap, now we're done with it
if [ "$ping_cancelled" == true ] #https://stackoverflow.com/a/21210966/10141528
then
	printf "The pinger for $1 just closed bro.\n"
else
	printf "$1 IS UP BROOO\a\n"
fi

touch /tmp/login1.txt /tmp/login2.txt
while [ true ]
do
	who | gawk '{ print $1 }' > /tmp/login2.txt
	comm -13 /tmp/login1.txt /tmp/login2.txt

	#Just a bit easier to read

	#diff /tmp/login1.txt /tmp/login2.txt
	cat /tmp/login2.txt > /tmp/login1.txt
	sleep 1
done

#!/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