reinstall

#!/usr/bin/env bash

# Inspiration from:
# https://linuxconfig.org/bash-script-display-usage-and-check-user
# http://stackoverflow.com/questions/5947742/how-to-change-the-output-color-of-echo-in-linux

set -euo pipefail

display_usage() {
  echo -e "\nUsage: reinstall folder [folder...]"
}

display_help() {
  echo "Builds the container in the folders you provided"
  echo "and reinstalls them with 'whalebrew install'"
}

BLUE='\033[0;34m'
LIGHT_BLUE='\033[1;34m'
RED='\033[1;31m'
NC='\033[0m'

print_header() {
  echo -e "${BLUE}$@${NC}"
}

print_message() {
  echo -e "${LIGHT_BLUE}$@${NC}"
}

print_error() {
  echo -e "${RED}$@${NC}"
}

if [[ ( $@ == "--help") ||  $@ == "-h" ]]
then
  display_help
	display_usage
	exit 0
fi

if [ "$#" -lt 1 ]
then
  print_error "Please provide at least 1 folder to rebuild and install"
  display_usage
  exit 1
fi

# Iterate over arguments to make sure every folder exists
for folder in "$@"
do
  if [ ! -d "$folder" ]; then
    print_error "Directory '$folder' for container build needs to exist"
    display_usage
    exit 1
  fi
done

print_header "REINSTALLING:"
print_header "${@%/}\n"

# Iterate over all folders, rebuild and reinstall containers
for folder in "$@"
do
  # Filter trailing slashes for folders which can happen through tab complete
  folder_name=${folder%/}
  container_name=whalebrew/$folder_name

  print_message "Docker Build for $container_name:"
  docker build --no-cache --pull -t $container_name $folder_name

  print_message "\nReinstalling: $folder_name"

  whalebrew install -f $container_name

  print_message "Successfully installed $container_name:\n"
done