Easy checkout of branch using grep

chkBranch.sh

# !/bin/sh
# Easy checkout of branch using grep.
#
# example:  chkBranch 1789
# or:       chkBranch ZAC-4

git pull

    count=`git branch | grep -c $1`

    if [ $count -eq 1 ]
    then
        echo "just one, check it out"

        branch=`git branch | grep $1`
        echo $branch
        git checkout $branch
        git pull

        exit 0
    fi

    # check if there is a remote branch
    if [ $count -eq 0 ]
    then
        echo "no branch with name $1 exists, trying to check out remote branch"
        branch=`git branch -a| grep $1`
        stripped=`echo ${branch:17}`
        git checkout $stripped
        git pull

        exit 0
    fi

    echo "found more than one branch: "
    git branch | grep $1 | while read -r line ; do
    var=2
    echo "$line"
    done