Determine which services to deploy based on modified Git paths

deploy.sh

#!/bin/bash
services=()
diff="$(git diff --name-status HEAD~1)"

for dir in *
do
    if [[ $dir =~ "service-" ]] && [[ $diff =~ $dir ]]; then
        services=(${services[@]} $dir)
    fi
done

if [ ${#services[@]} -eq 0 ]; then
    printf "%s\n%s\n" "########## Nothing to deploy. Skipping..."
else
    printf "%s\n%s" "########## Services with changes to be deployed:"
    printf '%s\n' "${services[@]}"
    for i in "${services[@]}"
    do
        cd $i/
        printf "\n%s\n" "########## Deploying $i from $(pwd)" 
        (serverless deploy) || { printf "\n%s\n" "########## Deployment failed for $i, check logs above" ; exit 1; }
        cd ..
    done || exit 1
    printf "\n%s\n\n" "########## Deployed successfully"
fi