etherpad-lite/tests/frontend/travis/sauce_tunnel.sh

#!/bin/bash
# download and unzip the sauce connector
#
# ACHTUNG: as of 2019-12-21, downloading sc-latest-linux.tar.gz does not work.
#          It is necessary to explicitly download a specific version, for
#          example https://saucelabs.com/downloads/sc-4.5.4-linux.tar.gz
#          Supported versions are currently listed at:
#          https://wiki.saucelabs.com/display/DOCS/Downloading+Sauce+Connect+Proxy
if [ -z "${SAUCE_USERNAME}" ]; then echo "SAUCE_USERNAME is unset - exiting"; exit 1; fi
if [ -z "${SAUCE_ACCESS_KEY}" ]; then echo "SAUCE_ACCESS_KEY is unset - exiting"; exit 1; fi

curl https://saucelabs.com/downloads/sc-4.6.2-linux.tar.gz > /tmp/sauce.tar.gz
tar zxf /tmp/sauce.tar.gz --directory /tmp
mv /tmp/sc-*-linux /tmp/sauce_connect

# start the sauce connector in background and make sure it doesn't output the secret key
(/tmp/sauce_connect/bin/sc --user "${SAUCE_USERNAME}" --key "${SAUCE_ACCESS_KEY}" -i "${TRAVIS_JOB_NUMBER}" --pidfile /tmp/sauce.pid --readyfile /tmp/tunnel > /dev/null )&

# wait for the tunnel to build up
while [ ! -e "/tmp/tunnel" ]
  do
  sleep 1
done