#!/bin/bash

# Git repository
REPO="git://busybox.net/busybox.git"

# Get tag name using 'git ls-remote'
TAG_NAME=$(git ls-remote --exit-code --refs --tags --sort='v:refname' "$REPO" | tail -1 | cut -d'/' -f3)

# Replace '_' with '.'
VERSION=${TAG_NAME//_/.}

echo "$VERSION"