Attempt to add a Heroku labs feature to specified app(s) until

labs-enable.sh

#!/usr/bin/env bash

### Attempt to add a Heroku labs feature to specified app(s) until success
# Originally created for limited availability `http-sni` to try to get in as allocation opened up.

# Call with ./labs-enable.sh <lab-feature> <app1> [<app2> ...]

feature=$1

enable_apps() {
  if [ $# -gt 0 ]; then
    echo "Attempting to enable $feature for $1"

    until heroku labs:enable $feature -a $1; do
      echo "[`date +"%H:%M:%S"`] Waiting 5 minutes..."
      sleep 300 # 5 minutes
    done

    echo ""
    echo ""
    echo ""

    shift
    enable_apps $*
  fi
}

shift
enable_apps $*