#!/bin/sh

echo "Content-type:text/plain\n"

if
  [ -n "$HTTP_X_HOOK_UUID" ] &&
  [ -n "$HTTP_X_REQUEST_UUID" ] &&
  [ "$HTTP_X_EVENT_KEY" = "repo:push" ] &&
  [ "$HTTP_CONTENT_TYPE" = "application/json" ] &&
  [ "$REQUEST_METHOD" = "POST" ]
then
  MASTER_COMMITS=`jq '[.push.changes[].new | select(.name == "master" and .type == "branch")] | length'`

  if [ "$MASTER_COMMITS" -gt 0 ]
  then
    cd ./repo

    GIT_SSH_COMMAND='ssh -i /var/www/deploy/access-key -o UserKnownHostsFile=/dev/null'
    git fetch --all 2>&1
    git reset --hard origin/master
    ./build.sh

    echo "Build complete"
  else
    echo "Build skipped"
  fi
else
  echo "Wrong request"
fi