A script to add example repos to a companion practice repo

add_example_code.sh

#!/bin/bash

BOOK_REPO=<git url to example repo>
EXCODE=temp/example_code

# make top-level temp directory
mkdir -p ../$EXCODE

# add top-level temp directory to gitignore
if ! grep -q $EXCODE ../.gitignore; then
  echo "${EXCODE}/" >> ../.gitignore
fi

# clone book example repo to temp directory
git clone $BOOK_REPO ../$EXCODE