version.sh

#!/bin/bash

function get_git_current_branch() {
    git branch 2>/dev/null | sed -n '/\* /s///p' 2>/dev/null
}

function branch_to_version() {
    if test "${1}" = "master"; then
       echo "latest"
    else
        TMP_VERSION=`echo ${1} |awk -F '.' '{print $1;}'`
        N=`echo ${TMP_VERSION} |grep '^[0-9][0-9]*$' |wc -l`
        if test ${N} -gt 0; then
            echo "V${TMP_VERSION}"
        else
            echo "dev"
        fi
    fi
}

VERSION=dev
if test "${TRAVIS_PULL_REQUEST}" = "false"; then
    # This is travis build (and not a pull request one)
    if test "${TRAVIS_TAG}" != ""; then
        VERSION=${TRAVIS_TAG}
    else
        VERSION=`branch_to_version ${TRAVIS_BRANCH}`
    fi
else
    if test "${TRAVIS_PULL_REQUEST}" = ""; then
        # This is not a travis build (VERSION=dev here)
        GIT_BRANCH=`get_git_current_branch`
        VERSION=`branch_to_version ${GIT_BRANCH}`
    fi
fi

echo ${VERSION}