Clone a user repos from bitbucket using it's REST API

bitbucket-clone-user-repos.sh

#!/bin/bash -ex

BITBUCKET_SERVER_API="https://api.bitbucket.org"
USER_REPOSITORIES="${BITBUCKET_SERVER_API}/1.0/user/repositories"

# Utilites to be used
CURL="`which curl` -s"
JQ="`which jq`"
GIT="`which git`"

usage()
{
    echo "Usage: $0 <username> <password>"
}

if [ $# -lt 2 ]; then
    usage
    exit 1
fi

if [ -z ${1} ]; then
    usage
    exit 1
fi
USERNAME=${1}

if [ -z ${2} ]; then
    usage
    exit 1
fi
PASSWORD=${2}

START=$(date +%s) 

GET_REPOSITORIES=$(${CURL} --user ${USERNAME}:${PASSWORD} ${USER_REPOSITORIES} | ${JQ} '.')
GET_NAME_REPOSITORIES=$(echo ${GET_REPOSITORIES} | ${JQ} '.[]."name"' | tr -d '"')
GET_RESOURCE_URI_REPOSITORIES=$(echo ${GET_REPOSITORIES} | ${JQ} '.[]."resource_uri"' | tr -d '"')

for repo in ${GET_RESOURCE_URI_REPOSITORIES}; do
    GET_REPO=$(${CURL} --user ${USERNAME}:${PASSWORD} ${BITBUCKET_SERVER_API}${repo} | ${JQ} '.')
    REPO_NAME=$(echo ${GET_REPO} | ${JQ} '."name"' | tr -d '"')

    REPO_DIR="${REPO_NAME}.git"

    # Check if directory already exists
    # If already exists then update and
    # continue to the next one
    if [ -d ${REPO_DIR} ]; then
        echo "Repo ${REPO_NAME} already exists, update it..."
        cd ${REPO_DIR}
        ${GIT} fetch || true
        cd -
        continue
    fi

    echo "Cloning ${REPO_NAME}..."

    ${GIT} clone git@bitbucket.org:${USERNAME}/${REPO_NAME}.git ${REPO_DIR}
done

FINISH=$(date +%s)                                                               
echo "Total time: $(( ($FINISH-$START) / 60 )) minutes, $(( ($FINISH-$START) % 60 )) seconds"

this scripts look great but cant be use in automation, because we are passing username and password, do you have a plan to write it using ssh key.