gistfile1.txt

function apply_patch() {
  local CHANGE=$1
  local REPO=$2
  local DIR=$3
  # patchset revision is 4th optional argument 
  if [[ -z ${4-} ]]; then
    REF=$(curl -s "https://review.openstack.org/changes/?q=change:$CHANGE&o=CURRENT_REVISION" |tail -n+2|jq -r '.[] | .revisions[.current_revision] | .ref')
  else
    REF=$(curl -s "https://review.openstack.org/changes/?q=change:$CHANGE&o=ALL_REVISIONS" |tail -n+2| jq -r '.[] | .revisions | to_entries | map(select(.value._number=='$4')) | .[0]|.value.ref')
  fi
  echo "Revision for $CHANGE/${4-} -> $REF"
  pushd $DIR
  git config --global user.email "michele@acksyn.org"
  git config --global user.name "Michele Baldessari"
  git fetch https://git.openstack.org/openstack/$REPO $REF && git cherry-pick FETCH_HEAD
  popd
}

# applies review below 4th revision
# apply_patch 474486 tripleo-heat-templates tripleo-heat-templates 4