get_next_tag

get_next_tag.bash

# Gets the next tag of the given branch
get_next_tag() 
{
    latestTag=$(git describe --tags $(git rev-list --tags="$1-*" --max-count=1))

    tagC=$(git rev-parse $latestTag)
    head=$(git rev-parse HEAD)

    if [ "$tagC" == "$head" ]; then
        return 1
    fi

    major=0
    minor=0
    patch=0

    # Regex to match parts of the version
    re="^$1-([0-9]+)\.([0-9]+)\.([0-9]+)"
    if [[ $latestTag =~ $re ]]; then
        major=${BASH_REMATCH[1]}
        minor=${BASH_REMATCH[2]}
        patch=${BASH_REMATCH[3]}
    else
        return 1
    fi

    ((patch++))
    if [ $patch -gt 99 ]; then
        ((minor++))
        patch=0
    fi
    if [ $minor -gt 50 ]; then
        ((major++))
        minor=0
    fi

    echo "$1-$major.$minor.$patch"

    return 0
}