examples/hook: no bashism (#300)

use plain shell syntax,
also protect against if arguments contain spaces.

diff --git a/docs/examples/hook.sh b/docs/examples/hook.sh
index 23a4961ca9e808f890e22d61f7d964de5281d7e3..df148bf131398444413bdd747357604fe18dbf6c 100755 (executable)
--- a/docs/examples/hook.sh
+++ b/docs/examples/hook.sh
@@ -1,6 +1,6 @@
-#!/usr/bin/env bash
+#!/bin/sh

 
 

-function deploy_challenge {
+deploy_challenge() {

     local DOMAIN="${1}" TOKEN_FILENAME="${2}" TOKEN_VALUE="${3}"
 
     # This hook is called once for every domain that needs to be
     local DOMAIN="${1}" TOKEN_FILENAME="${2}" TOKEN_VALUE="${3}"
 
     # This hook is called once for every domain that needs to be


@@ -21,7 +21,7 @@ function deploy_challenge {
     #   be found in the $TOKEN_FILENAME file.
 }
 
     #   be found in the $TOKEN_FILENAME file.
 }
 

-function clean_challenge {
+clean_challenge() {

     local DOMAIN="${1}" TOKEN_FILENAME="${2}" TOKEN_VALUE="${3}"
 
     # This hook is called after attempting to validate each domain,
     local DOMAIN="${1}" TOKEN_FILENAME="${2}" TOKEN_VALUE="${3}"
 
     # This hook is called after attempting to validate each domain,


@@ -31,7 +31,7 @@ function clean_challenge {
     # The parameters are the same as for deploy_challenge.
 }
 
     # The parameters are the same as for deploy_challenge.
 }
 

-function deploy_cert {
+deploy_cert() {

     local DOMAIN="${1}" KEYFILE="${2}" CERTFILE="${3}" FULLCHAINFILE="${4}" CHAINFILE="${5}" TIMESTAMP="${6}"
 
     # This hook is called once for each certificate that has been
     local DOMAIN="${1}" KEYFILE="${2}" CERTFILE="${3}" FULLCHAINFILE="${4}" CHAINFILE="${5}" TIMESTAMP="${6}"
 
     # This hook is called once for each certificate that has been


@@ -54,7 +54,7 @@ function deploy_cert {
     #   Timestamp when the specified certificate was created.
 }
 
     #   Timestamp when the specified certificate was created.
 }
 

-function unchanged_cert {
+unchanged_cert() {

     local DOMAIN="${1}" KEYFILE="${2}" CERTFILE="${3}" FULLCHAINFILE="${4}" CHAINFILE="${5}"
 
     # This hook is called once for each certificate that is still
     local DOMAIN="${1}" KEYFILE="${2}" CERTFILE="${3}" FULLCHAINFILE="${4}" CHAINFILE="${5}"
 
     # This hook is called once for each certificate that is still


@@ -74,4 +74,5 @@ function unchanged_cert {
     #   The path of the file containing the intermediate certificate(s).
 }
 
     #   The path of the file containing the intermediate certificate(s).
 }
 

-HANDLER=$1; shift; $HANDLER $@
+HANDLER="$1"; shift
+"$HANDLER" "$@"