gistfile1.txt

git clone https://github.com/alphagov/govuk-puppet.git
cd govuk-puppet/

git log --format=format: --name-only --since=18.month  | egrep -v '^$'  | sort  | uniq -c  | sort -nr  | head -15
    198 hieradata/common.yaml
    178 hieradata_aws/common.yaml
    151 hieradata_aws/integration.yaml
    143 Rakefile
    123 hieradata_aws/staging.yaml
    114 hieradata_aws/production.yaml
     97 hieradata/staging.yaml
     91 hieradata/integration.yaml
     86 hieradata/production.yaml
     51 modules/govuk/manifests/apps/email_alert_api/checks.pp
     51 modules/govuk_env_sync/files/govuk_env_sync.sh
     48 hieradata_aws/training.yaml
     39 hieradata_aws/class/staging/db_admin.yaml
     38 hieradata_aws/class/integration/db_admin.yaml
     35 modules/monitoring/manifests/checks.pp