-

#!/bin/bash

send-message() {
  local message=$(echo "$@" \
    | sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[mGK]//g" \
    | sed 's/\\/\\\\/g' \
    | sed 's/"/\\"/g' \
    | sed "s/'/\\'/g")
  echo $message
  json="{ \"text\": \"$message\" }"
  curl -s -d "payload=$json" $SLACK_WEBHOOK_URL > /dev/null
}

slack() {
  while read line; do
    send-message $line
  done
}

clone-repo() {
  if [ ! -d .$APP_NAME ]; then
    git clone $REPO .$APP_NAME
  fi
}

add-dokku-remote() {
  git remote add dokku dokku@localhost:$APP_NAME
}

fetch-repo() {
  git fetch origin > /dev/null
}

deploy-repo() {
  git push -f dokku origin/$BRANCH:master 2>&1 | grep -v "Everything up-to-date"
}

deploy() {
  while true; do
    fetch-repo
    deploy-repo | slack
    sleep 30
  done
}

set -x

APP_NAME=$1
REPO=$2
BRANCH=$3
SLACK_WEBHOOK_URL=$4

clone-repo
cd .$APP_NAME
add-dokku-remote

# deploy-test() {
#   echo $'remote: \e[1G'"------>" "Updated branch 'master' of 'xx'. Deploying to dev."
#   echo $'remote: \e[1G'"       " "Doing a lot of awesome stuff."
# }

deploy | slack