git worktree

worktree.sh

function worktree_add() {
## Run this function in the top level directory of a git repo
## to create a worktree directory from a new or existing branch
  if [ -d ./.git ]; then
        git rev-parse --verify "$1"
        if [ $? -eq 0 ]; then
                echo "Creating a worktree ../$1 from existing branch $1"
                git worktree add "../$1" "$1"
        else
                echo "Creating a worktree ../$1 from a new branch $1"
                git worktree add -b "$1" "../$1" master 
        fi
  else
        echo "You are not in the root of a git repo"
  fi;
}