From 9ef2d8b2721cc691af1f9aef09e86ac8d40ada09 Mon Sep 17 00:00:00 2001
From: David Vazgenovich Shakaryan <dvshakaryan@gmail.com>
Date: Fri, 24 Mar 2023 00:33:09 -0700
Subject: remove extension

---
 hetzner-ddns                  | 68 +++++++++++++++++++++++++++++++++++++++++++
 hetzner-ddns.sh               | 68 -------------------------------------------
 systemd/hetzner-ddns@.service |  2 +-
 3 files changed, 69 insertions(+), 69 deletions(-)
 create mode 100755 hetzner-ddns
 delete mode 100755 hetzner-ddns.sh

diff --git a/hetzner-ddns b/hetzner-ddns
new file mode 100755
index 0000000..6d70e69
--- /dev/null
+++ b/hetzner-ddns
@@ -0,0 +1,68 @@
+#!/usr/bin/env bash
+#
+# Copyright 2022 David Vazgenovich Shakaryan
+#
+# HETZNER_TOKEN=<token> hetzner-ddns <domain>
+# HETZNER_TOKEN_FILE=/path/to/token hetzner-ddns <domain>
+# systemctl enable --now "hetzner-ddns@$(systemd-escape <domain>).timer"
+
+IP_RESOLVER='https://ifconfig.co'
+TARGET="${1}"
+
+shopt -s extglob
+
+die() {
+	[[ -n "${@}" ]] && echo "${@}" >&2
+	exit 1
+}
+
+hetzcurl() {
+	curl -sfH "Auth-API-Token: ${HETZNER_TOKEN}" \
+		"https://dns.hetzner.com/api/v1/${1}" \
+		"${@:2}"
+}
+
+if [[ -z "${HETZNER_TOKEN}" ]] && [[ -n "${HETZNER_TOKEN_FILE}" ]]; then
+	[[ -f "${HETZNER_TOKEN_FILE}" ]] || die 'Specified token file' \
+		"(${HETZNER_TOKEN_FILE}) does not exist"
+	HETZNER_TOKEN="$(<"${HETZNER_TOKEN_FILE}")"
+fi
+[[ -n "${HETZNER_TOKEN}" ]] || die 'Missing token'
+
+ip="$(curl -sf4 "${IP_RESOLVER}")" || die 'IP lookup failed'
+
+zone_re="${TARGET}"
+while [[ "${zone_re}" =~ ^([^\\]*)\.(.*)$ ]]; do
+	zone_re="(${BASH_REMATCH[1]}\\.)?${BASH_REMATCH[2]}"
+done
+
+res="$(hetzcurl "zones")" || die 'Zones lookup failed'
+IFS='|' read zone_id zone_name < <(jq -er --arg re "${zone_re}" \
+	'[.zones[] | select(.name | test("\\A" + $re + "\\z"))] |
+		if . == [] then (null | halt_error) else . end |
+		max_by(.name | length) | [.id, .name] | join("|")' \
+	<<< "${res}") || die 'Zone not found'
+rec_name="${TARGET%%?(.)${zone_name}}"
+rec_name="${rec_name:-@}"
+
+res="$(hetzcurl "records?zone_id=${zone_id}")" || die 'Records lookup failed'
+rec_id="$(jq -er --arg name "${rec_name}" \
+	'first(.records[] | select(.type == "A" and .name == $name)) | .id' \
+	<<< "${res}")" || die 'Record not found'
+
+res="$(hetzcurl "records/${rec_id}")" || die 'Record lookup failed'
+old_ip="$(jq -r '.record.value' <<< "${res}")"
+
+if [[ "${old_ip}" == "${ip}" ]]; then
+	echo "IP unchanged from ${ip}"
+	exit
+fi
+
+data="$(jq -c --arg ip "${ip}" \
+	'.record | {zone_id, type, name, value: $ip }' <<< "${res}")"
+res="$(hetzcurl "records/${rec_id}" \
+	-H 'Content-Type: application/json' \
+	-X PUT -d "${data}")" || die 'Record update failed'
+new_ip="$(jq -r '.record.value' <<< "${res}")"
+
+echo "IP changed from ${old_ip} to ${new_ip}"
diff --git a/hetzner-ddns.sh b/hetzner-ddns.sh
deleted file mode 100755
index 5e6de74..0000000
--- a/hetzner-ddns.sh
+++ /dev/null
@@ -1,68 +0,0 @@
-#!/usr/bin/env bash
-#
-# Copyright 2022 David Vazgenovich Shakaryan
-#
-# HETZNER_TOKEN=<token> hetzner-ddns.sh <domain>
-# HETZNER_TOKEN_FILE=/path/to/token hetzner-ddns.sh <domain>
-# systemctl enable --now "hetzner-ddns@$(systemd-escape <domain>).timer"
-
-IP_RESOLVER='https://ifconfig.co'
-TARGET="${1}"
-
-shopt -s extglob
-
-die() {
-	[[ -n "${@}" ]] && echo "${@}" >&2
-	exit 1
-}
-
-hetzcurl() {
-	curl -sfH "Auth-API-Token: ${HETZNER_TOKEN}" \
-		"https://dns.hetzner.com/api/v1/${1}" \
-		"${@:2}"
-}
-
-if [[ -z "${HETZNER_TOKEN}" ]] && [[ -n "${HETZNER_TOKEN_FILE}" ]]; then
-	[[ -f "${HETZNER_TOKEN_FILE}" ]] || die 'Specified token file' \
-		"(${HETZNER_TOKEN_FILE}) does not exist"
-	HETZNER_TOKEN="$(<"${HETZNER_TOKEN_FILE}")"
-fi
-[[ -n "${HETZNER_TOKEN}" ]] || die 'Missing token'
-
-ip="$(curl -sf4 "${IP_RESOLVER}")" || die 'IP lookup failed'
-
-zone_re="${TARGET}"
-while [[ "${zone_re}" =~ ^([^\\]*)\.(.*)$ ]]; do
-	zone_re="(${BASH_REMATCH[1]}\\.)?${BASH_REMATCH[2]}"
-done
-
-res="$(hetzcurl "zones")" || die 'Zones lookup failed'
-IFS='|' read zone_id zone_name < <(jq -er --arg re "${zone_re}" \
-	'[.zones[] | select(.name | test("\\A" + $re + "\\z"))] |
-		if . == [] then (null | halt_error) else . end |
-		max_by(.name | length) | [.id, .name] | join("|")' \
-	<<< "${res}") || die 'Zone not found'
-rec_name="${TARGET%%?(.)${zone_name}}"
-rec_name="${rec_name:-@}"
-
-res="$(hetzcurl "records?zone_id=${zone_id}")" || die 'Records lookup failed'
-rec_id="$(jq -er --arg name "${rec_name}" \
-	'first(.records[] | select(.type == "A" and .name == $name)) | .id' \
-	<<< "${res}")" || die 'Record not found'
-
-res="$(hetzcurl "records/${rec_id}")" || die 'Record lookup failed'
-old_ip="$(jq -r '.record.value' <<< "${res}")"
-
-if [[ "${old_ip}" == "${ip}" ]]; then
-	echo "IP unchanged from ${ip}"
-	exit
-fi
-
-data="$(jq -c --arg ip "${ip}" \
-	'.record | {zone_id, type, name, value: $ip }' <<< "${res}")"
-res="$(hetzcurl "records/${rec_id}" \
-	-H 'Content-Type: application/json' \
-	-X PUT -d "${data}")" || die 'Record update failed'
-new_ip="$(jq -r '.record.value' <<< "${res}")"
-
-echo "IP changed from ${old_ip} to ${new_ip}"
diff --git a/systemd/hetzner-ddns@.service b/systemd/hetzner-ddns@.service
index 58e6e6f..5396d71 100644
--- a/systemd/hetzner-ddns@.service
+++ b/systemd/hetzner-ddns@.service
@@ -2,7 +2,7 @@
 Description=Hetzner DDNS updater
 
 [Service]
-ExecStart=hetzner-ddns.sh %I
+ExecStart=hetzner-ddns %I
 DynamicUser=yes
 LoadCredentialEncrypted=hetzner_token.cred
 Environment=HETZNER_TOKEN_FILE=%d/hetzner_token.cred
-- 
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