gistfile1.txt

#!/bin/sh
#
# Usage: version [bump|minor|major]
#
#
# Increments Version or Shows latest version
#

version=$1
get_version=$(git tag | grep ^v*[0-9].[0-9].[0-9] | tr -d '[[:alpha:]]' | tail -1 | sort -n )

function getVersion {
    echo "\nRepo's Current Version: "
    echo
    echo $get_version
    exit 0
}

function hasVersion {
    if [ -z $get_version ]; then
        echo "\nNo version set. Do you want to set version to 1.0.0 [Y/N]"
        read answer
        case $answer in
            Y | y)
            setVersion "1.0.0"
            exit 0
            ;;
            N | n | * )
                echo exiting program
                exit 0
    		;;
        esac
    fi
}

function setVersion {
     hasVersion
     $(git tag -a "$1" -m "Version $1")
     #$(git push --tags)
     echo "Version set to $1"
}

if [ -z $version ]; then
 getVersion
fi

for i in $*
do
	case $i in
    	bump | -b)
        setVersion $(echo $get_version | awk -F. '{$3+=1; OFS="."; print $0}')
		;;
    	minor | -mn)
        setVersion $(echo $get_version | awk -F. '{$3+=1; OFS="."; print $0}')
		;;
        major | -mj)
        setVersion $(echo $get_version | awk -F. '{$3+=1; OFS="."; print $0}')
		;;
    	-v | --version)
		echo 1.0.0
		;;
    	*)
            echo unknown option, please use major, minor, or bump
		;;
  	esac
done

exit 0