generate-deploy-key.sh

#!/bin/bash

repository_name=$1
email_address=$2
dir=$3

if [ -z "$repository_name" ] ||  [ -z "$email_address" ] || [ -z "$dir" ]
then
	echo "Error: 3 mandatory arguments are required: repository_name email_address dir"
	exit 1;
fi

mkdir -p $dir
touch -a "$dir"/config

ssh-keygen -t ed25519 -f "$dir"/"$repository_name"_deploy-key -N "" -C $email_address

printf "\n\nHost %s\n  Hostname github.com\n  User git\n  IdentityFile %s/%s_deploy-key\n  IdentitiesOnly yes\n" $repository_name $dir $repository_name >> "$dir"/config

echo "======================================================="
echo "Done! The public deploy key for your repository is:"
echo $(cat "$dir"/"$repository_name"_deploy-key.pub)
echo "Add it to your GitHub repository and then clone it with following command:"
echo git clone git@"$repository_name":[github-account-name]/"$repository_name".git
echo "======================================================="