#!/bin/bash

MIGRATIONS_DIR="/migrations"
MIGRATIONS_HISTORY="/config/.migrations"

echo "[migrations] started"

if [[ ! -d ${MIGRATIONS_DIR} ]]; then
  echo "[migrations] no migrations found"
  exit
fi

for MIGRATION in $(find ${MIGRATIONS_DIR}/* | sort -n); do
  NAME="$(basename "${MIGRATION}")"
  if [[ -f ${MIGRATIONS_HISTORY} ]] && grep -Fxq "${NAME}" ${MIGRATIONS_HISTORY}; then
    echo "[migrations] ${NAME}: skipped"
    continue
  fi
  echo "[migrations] ${NAME}: executing..."
  chmod +x "${MIGRATION}"
  EXIT_CODE=$(/bin/bash "${MIGRATION}"; echo $?)
  if [[ ${EXIT_CODE} -ne 0 ]]; then
    echo "[migrations] ${NAME}: failed with exit code ${EXIT_CODE}, contact support"
    exit "${EXIT_CODE}"
  fi
  echo "${NAME}" >> ${MIGRATIONS_HISTORY}
  echo "[migrations] ${NAME}: succeeded"
done

echo "[migrations] done"