Check out a branch using grep

grco.bash

#!/bin/bash
BRANCHES=$(git branch -ra | grep $1)
NUM=$(echo "$BRANCHES" | wc -l)

# check for empty
if [ "X$BRANCHES" = "X" ]
then
    echo "No branch matches $1"
fi

if [ $NUM -eq 1 ]
then
    remote="remotes/origin/"
    branch=$(echo $BRANCHES | awk '{ gsub(/remotes\/origin\//,""); print}')
    git checkout $branch
fi

list=()
i=0
if [ $NUM -gt 1 ]
then
    while read -r line; do
        (( i++ ))
        branch=$(echo $line | awk '{ gsub(/remotes\/origin\//,""); print}')
        echo "$i: $branch"
        list+=("$branch")
    done <<< "$BRANCHES"
    echo -n "Please choose one of the branches: "
    read index
    git checkout ${list[index-1]}
fi

grco.md

Make this file executable and add it to your path

Usage

grco [some-text]