[Unit]
Description=DNSCrypt proxy resolvconf support
Documentation=https://github.com/DNSCrypt/dnscrypt-proxy/wiki/systemd
# with openSUSE changes
Documentation=file:/usr/share/doc/packages/dnscrypt-proxy/README.openSUSE
Before=nss-lookup.target
Wants=nss-lookup.target
After=dnscrypt-proxy.socket
BindsTo=dnscrypt-proxy.socket
# available in package openresolv
ConditionFileIsExecutable=/usr/sbin/resolvconf

[Service]
Type=oneshot
RemainAfterExit=true
ExecStart=/bin/sh -c 'systemctl show dnscrypt-proxy.socket \
                    | grep "Listen.*Datagram" \
                    | cut -d "=" -f 2 \
                    | cut -d ":" -f 1 \
                    | awk \'{ print "nameserver " $1 }\' \
                    | /usr/sbin/resolvconf -a lo.dnscrypt-proxy'
ExecStop=/usr/sbin/resolvconf -d lo.dnscrypt-proxy

[Install]
WantedBy=multi-user.target