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+#!/bin/sh

+set -euC

+

+# nfsn-dns-spf DOMAIN NAME [INCLUDE]...

+

+# nfsn-dns-spf "example.com" "mailgun.org"

+

+# Arguments.

+

+domain="$1" ; shift

+name="$1" ; shift

+

+# Process.

+

+data="$(

+    printf -- "v=spf1"

+    for include in "$@"

+    do

+        printf -- " include:%s" "$include"

+    done

+    printf -- " -all"

+    printf -- "\n"

+)"

+

+# Update.

+

+nfsn-dns-update "$domain" "$name" "TXT" '^v=spf1' "$data"