tools: Add SSH_CMD array

Signed-off-by: Matt Turner <mattst88@gentoo.org>

tools/catalyst-auto-arm.conf

@@ -57,7 +57,14 @@ update_symlinks() {
 upload() {
     if [[ ${nonetwork} == 0 ]]; then
 	echo Uploading "$@"
-	rsync -e 'ssh -i ${UPLOAD_KEY} -o UserKnownHostsFile=/dev/null -o VerifyHostKeyDNS=yes -o StrictHostKeyChecking=no' "$@" ${UPLOAD_USER}@releng-incoming.gentoo.org:
+	local SSH_CMD=(
+		ssh
+		-i ${UPLOAD_KEY}
+		-o UserKnownHostsFile=/dev/null
+		-o VerifyHostKeyDNS=yes
+		-o StrictHostKeyChecking=no
+	)
+	rsync -e "${SSH_CMD[*]}" "$@" ${UPLOAD_USER}@releng-incoming.gentoo.org:
     else
 	echo Would now upload "$@"
 	ls -l $@