gistfile1.txt

#!/bin/bash
# Bash Script for Charles Schwab DevOps challenge
# Regina Imhoff
# regina.imhoff@gmail.com

#############################
# set for exit immediately! #
#############################
set -e

#############
# Variables #
#############
errorMsg="Wrong number of arguments - need 2"
repo_clone_path=$1
destination_path=$2

############################################################
# check the number of arguments                            #
# print off error message if the wrong number of arguments #
############################################################
if [ "$#" -gt 2 ] || [ "$#" -lt 2 ]
then
    echo "$errorMsg" >&2
    exit 1
fi

###
# git branches without asterisk
###
cwd=$PWD
pushd "$repo_clone_path"
git branch | tr -d " *" | sort > "$cwd"/git_branches.$$.tmp
popd

###
# list all directories
###
pushd "$destination_path"
find . -maxdepth 1 | sort > "$cwd"/all_directories.$$.tmp
popd

# set complement for new git branches
comm -23 < git_branches.$$.tmp < all_directories.$$.tmp > new_git_branches.$$.tmp

# intersection of 1 and 2 for directories to git pull
comm -12 < git_branches.$$.tmp < all_directories.$$.tmp > directories_to_refresh.$$.tmp

# set complement for directories to delete
comm -23 < all_directories.$$.tmp < git_branches.$$.tmp > directories_to_delete.$$.tmp

# new directories
pushd "$destination_path"
for new_branch in $(cat "$cwd"/new_git_branches.$$.tmp); do
    pushd "$new_branch"
    git clone "$repo_clone_path"
    git checkout "$new_branch"
    popd
done
popd

# delete directories
pushd "$destination_path"
rm -rf $(cat $cwd/directories_to_delete.$$.tmp)
popd

# refresh directories
pushd "$destination_path"
for branch in $(cat $cwd/directories_to_refresh.$$.tmp); do
    pushd "$branch"
    git pull "$repo_clone_path"
    popd
done
popd