ci: clean up CI logging, folding, add build time logging, and improve error handling (#14425)

scripts/sauce/sauce_connect_setup.sh

@@ -1,10 +1,11 @@
 #!/bin/bash
 
-set -e -o pipefail
+set +x -u -e -o pipefail
+
 
 # Setup environment
-cd `dirname $0`
-source ../ci-lite/env.sh
+source ${TRAVIS_BUILD_DIR}/scripts/ci-lite/_travis_fold.sh
+source ${TRAVIS_BUILD_DIR}/scripts/ci-lite/env.sh
 
 
 
@@ -46,10 +47,11 @@ if [ ! -z "$BROWSER_PROVIDER_READY_FILE" ]; then
   ARGS="$ARGS --readyfile $BROWSER_PROVIDER_READY_FILE"
 fi
 
-
+set -v
 echo "Starting Sauce Connect in the background, logging into:"
 echo "  $CONNECT_LOG"
 echo "  $CONNECT_STDOUT"
 echo "  $CONNECT_STDERR"
 sauce-connect/bin/sc -u $SAUCE_USERNAME -k $SAUCE_ACCESS_KEY $ARGS \
   --logfile $CONNECT_LOG 2> $CONNECT_STDERR 1> $CONNECT_STDOUT &
+set +v