Fuzzy git checkout

gistfile1.sh

# given a branch like 750-feature-name
#  gcb 750
#  sponge $ gcb 750
#  checking out   750-feature-name
#  Switched to branch '750-feature-name'
function gcb() {
  branches=`git branch`
  branchName=`echo "$branches" | grep $1`
  branchName=`echo "$branchName" | sed s/\*//`
  echo "checking out $branchName"
  git co $branchName
}