new-branch

#!/bin/sh

if test -z "${1}"
then
    echo "Name of the branch missing."
    exit 1
fi

if ! current_branch=`git rev-parse --abbrev-ref HEAD` 2> /dev/null
then
    echo "No Git repository found."
    exit 1
fi

if test "${current_branch}" = "master"
then
    git pull origin master
else
    git checkout master
    git pull origin master
    if ! git branch -d "${current_branch}"
    then
        exit 1
    fi
fi
git checkout -b "${1}"