script.sh

#!/bin/bash

# internal utility methods
GERRIT_USERNAME="${GERRIT_USERNAME}"
GERRIT_HTTP_PASSWORD="${GERRIT_HTTP_PASSWORD}"
BASIC_AUTH="${GERRIT_USERNAME}:${GERRIT_HTTP_PASSWORD}"
GERRIT_SERVER_HOSTNAME="https://${GERRIT_SERVER_HOSTNAME}/a"

function __prepare_digest_request_str() {
  local URL="$1"
  local TYPE="$2"
  local PAYLOAD="$3"
  local HEADER=''
  case "$2" in
  "POST" | "post" | "p")
    if [[ -z "$PAYLOAD" ]]; then
      echo "Expecting a json payload as third argument"
      exit 1
    else
      HEADER='Content-Type: application/json'
      echo "curl -s --digest -u ${BASIC_AUTH} -X POST \"${GERRIT_SERVER_HOSTNAME}${URL}\" -d \"${PAYLOAD}\" -H \"${HEADER}\""
    fi
    ;;
  "GET" | "get" | "g")
    echo "curl -s --digest -u ${BASIC_AUTH} -X GET \"${GERRIT_SERVER_HOSTNAME}${URL}\""
    ;;
  *)
    echo "Error: Unsupported request type found. Only Get/Post request supported."
    ;;
  esac
}

function __get_revision_id() {
  local CHANGE_ID=$1
  local URL="/changes/${CHANGE_ID}/?o=CURRENT_REVISION"
  local COMMAND_STR=$(__prepare_digest_request_str "${URL}" "g")
  local REVISION_ID=$(eval ${COMMAND_STR} | grep -e "current_revision" | awk '{print $2}' | grep -o "[a-z0-9]\+")
  [[ $? -eq 0 ]] && echo "${REVISION_ID}" || return 1
}

# utility methods end here.

function set_review_for_latest_revision() {
  echo "Giving $2 for the change id: $1"
  local CHANGE_ID=$1
  local REVIEW_RATING="$2"
  local PAYLOAD='{"labels": {"Code-Review": '"${REVIEW_RATING}"'}}'
  local REVISION_ID=$(__get_revision_id "${CHANGE_ID}")
  local URL="/changes/${CHANGE_ID}/revisions/${REVISION_ID}/review"
  # execute the command string
  local COMMAND_STR=$(__prepare_digest_request_str "${URL}" "p" "${PAYLOAD}")
  eval "${COMMAND_STR}"
  [[ $? -eq 0 ]] && echo "Changeset reviewed successfully" || echo "Failure: could not set the review"
}

function submit_change() {
  echo "Submitting the change $1"
  local CHANGE_ID=$1
  local URL="/changes/${CHANGE_ID}/submit"
  local COMMAND_STR=$(__prepare_digest_request_str "${URL}" "p" '{"wait_for_merge": true}')
  eval "${COMMAND_STR}"
  [[ $? -eq 0 ]] && echo "Change $1 submitted successfully" || echo "Failure: change could not be submitted"
}