#!/bin/sh

set -e

ODOO_ROOT_DIR=${ODOO_ROOT_DIR:-'/opt/odoo'}
SAVE_COMMITS_DIR=${SAVE_COMMITS_DIR:-'/opt/odoo_commits'}
SAVE_COMMITS_FILENAME=${SAVE_COMMITS_FILENAME:-'custom_addons'}
TMP_REPO_PATH='/tmp/repo'

save_commit() {
  repo="$1"
  commit="$2"
  module="$3"
  dst="$4"
  echo "${repo};${commit};${module};${dst}" >> "${SAVE_COMMITS_DIR}/${SAVE_COMMITS_FILENAME}"
}

repo="$1"
shift
ref="$1"
shift
dst="$1"
shift
modules="$@"

set +e
git clone --single-branch --branch "${ref}" --depth 1 "${repo}" "${TMP_REPO_PATH}"
if [ "$?" != 0 ]; then
git clone "${repo}" "${TMP_REPO_PATH}"
fi
set -e

git -C "${TMP_REPO_PATH}" checkout "${ref}"
commit="$(git -C /tmp/repo rev-parse HEAD)"
if [ -n "$modules" ]; then
  for module in $modules; do
    mv "${TMP_REPO_PATH}/${module}" "${ODOO_ROOT_DIR}/${dst}/"
    save_commit "$repo" "$commit" "$module" "$dst"
  done
else
  module="$(basename $dst)"
  mkdir -p "/${ODOO_ROOT_DIR}/${dst}"
  mv ${TMP_REPO_PATH}/* "${ODOO_ROOT_DIR}/${dst}/"
  save_commit "$repo" "$commit" "$module" "$dst"
fi
rm -r "${TMP_REPO_PATH}"