Merge "Fix b with zsh."

        # command. (build, test, run, ect) If the --config was added at the end, it wouldn't work with commands like:

        # b run //foo -- --args-for-foo

        local config_set=0

        local bazel_args_with_config=""

        # Represent the args as an array, not a string.

        local bazel_args_with_config=()

        for arg in $bazel_args; do

            if [[ $arg == "--" && $config_set -ne 1 ]]; # if we find --, insert config argument here

            then

                bazel_args_with_config+="--config=bp2build -- "

                bazel_args_with_config+=("--config=bp2build -- ")

                config_set=1

            else

                bazel_args_with_config+="$arg "

                bazel_args_with_config+=("$arg ")

            fi

        done

        if [[ $config_set -ne 1 ]]; then

            bazel_args_with_config+="--config=bp2build "

            bazel_args_with_config+=("--config=bp2build ")

        fi

        if [ -n "$ZSH_VERSION" ]; then

          # zsh breaks posix by not doing string-splitting on unquoted args

          # by default. Enable the compatibility option.

          setopt shwordsplit

        fi

        bazel $bazel_args_with_config

        # Call Bazel.

        bazel ${bazel_args_with_config[@]}

    fi

)