script/setup_host_fedora.sh: use bash arrays

This makes the code more robust and allows to remove the
"shellcheck disable=SC2086" annotation.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>

Author: kolyshkin

script/setup_host_fedora.sh

@@ -1,12 +1,11 @@
 #!/bin/bash
 set -eux -o pipefail
-DNF_OPTS="-y --setopt=install_weak_deps=False --setopt=tsflags=nodocs --exclude=kernel,kernel-core"
-RPMS="bats git-core glibc-static golang jq libseccomp-devel make"
+DNF=(dnf -y --setopt=install_weak_deps=False --setopt=tsflags=nodocs --exclude="kernel,kernel-core")
+RPMS=(bats git-core glibc-static golang jq libseccomp-devel make)
 # Work around dnf mirror failures by retrying a few times.
 for i in $(seq 0 2); do
 	sleep "$i"
-	# shellcheck disable=SC2086
-	dnf $DNF_OPTS update && dnf $DNF_OPTS install $RPMS && break
+	"${DNF[@]}" update && "${DNF[@]}" install "${RPMS[@]}" && break
 done
 dnf clean all