A git command to push a local branch to the origin repository.

git-push-branch.sh

#!/bin/bash


function push_branch () {
    HAS_REMOTE=`git show-ref remotes/origin/$1`
    HAS_LOCAL=`git show-ref heads/$1`

    if [[ $HAS_REMOTE ]]; then
        echo "The remote repository already has a branch named $1"
        exit
    fi

    if [[ $HAS_LOCAL == '' ]]; then
        echo "There isn't a local branch named $1"
        exit
    fi

    `git push origin $1`
    `git config branch.$1.merge refs/heads/$1`
    `git config branch.$1.remote origin`
}

push_branch $@