Set the version of mysql to install using an environment variable.

Older versions of mysql are not available in newer versions of Ubuntu. Use an environment variable to easily switch the version of mysql to install for the version of Ubuntu being used.

setup/.env.example

@@ -26,6 +26,7 @@ GIT_EMAIL_ADDRESS=
 VHOST_DIRECTORY="/var/www/vhost"
 
 # install-mysql.sh
+MYSQL_VERSION="8.0"
 MYSQL_ROOT_PASSWORD=
 MYSQL_USER_NAME=
 MYSQL_USER_PASSWORD=

setup/installers/install-mysql.sh

@@ -7,20 +7,24 @@ ensure_not_installed "MySQL"
 ensure_variable_set "WSL_USER"
 
 readonly WSL_USER
+readonly MYSQL_VERSION="${MYSQL_VERSION:-8.0}"
+readonly MYSQL_PACKAGE="mysql-server-${MYSQL_VERSION}"
 readonly MYSQL_ROOT_PASSWORD="${MYSQL_ROOT_PASSWORD:-root}"
 readonly MYSQL_USER_NAME="${MYSQL_USER_NAME:-homestead}"
 readonly MYSQL_USER_PASSWORD="${MYSQL_USER_PASSWORD:-secret}"
 readonly WSL_USER_DIRECTORY="$(wsl_user_directory "${WSL_USER}")"
 
+ensure_package_available "${MYSQL_PACKAGE}"
+
 # Set the root password for when mysql is installed
-debconf-set-selections <<< "mysql-server-5.7 mysql-server/root_password password ${MYSQL_ROOT_PASSWORD}"
-debconf-set-selections <<< "mysql-server-5.7 mysql-server/root_password_again password ${MYSQL_ROOT_PASSWORD}"
+debconf-set-selections <<< "${MYSQL_PACKAGE} mysql-server/root_password password ${MYSQL_ROOT_PASSWORD}"
+debconf-set-selections <<< "${MYSQL_PACKAGE} mysql-server/root_password_again password ${MYSQL_ROOT_PASSWORD}"
 
 log_info "Installing MySQL. This may take a few minutes..."
 
 # Install mysql
 apt-get -yqq update
-DEBIAN_FRONTEND=noninteractive apt-get -y install mysql-server-5.7
+DEBIAN_FRONTEND=noninteractive apt-get -y install ${MYSQL_PACKAGE}
 
 log_info "Setting up mysql user home directory."