#!/usr/bin/env bash

# this script generates a tags_file for Buildx (https://woodpecker-ci.org/plugins/Docker%20Buildx)


# Check if a command-line argument is provided
if [ -z "$1" ]; then
  echo "Please provide a version as a command-line argument."
  exit 1
fi

# Example v2.0.1
version=$1

# Suffix
[[ -n $2 ]] && suffix="-$2" || suffix=""

# Check if the first character is "V" or "v" and remove it
if [[ "${version:0:1}" == "V" || "${version:0:1}" == "v" ]]; then
  version="${version#?}"
fi

# Split the version into an array using the "." as a delimiter
IFS='.' read -ra version_array <<< "$version"

echo "latest$suffix" > tags.txt

# Iterate through the array and print each element followed by a new line
build_string=""
for i in "${version_array[@]}"; do
    build_string="$build_string.$i"
    echo "${build_string#?}$suffix" >> tags.txt
done