Merge pull request #4448 from PMExtra/feature/curl_fail

curl return fail if HTTP errors

acme.sh

@@ -1852,9 +1852,14 @@ _inithttp() {
       _ACME_CURL="$_ACME_CURL --cacert $CA_BUNDLE "
     fi
 
-    if _contains "$(curl --help 2>&1)" "--globoff"; then
+    if _contains "$(curl --help 2>&1)" "--globoff" || _contains "$(curl --help curl 2>&1)" "--globoff"; then
       _ACME_CURL="$_ACME_CURL -g "
     fi
+
+    #from curl 7.76: return fail on HTTP errors but keep the body
+    if _contains "$(curl --help http 2>&1)" "--fail-with-body"; then
+      _ACME_CURL="$_ACME_CURL --fail-with-body "
+    fi
   fi
 
   if [ -z "$_ACME_WGET" ] && _exists "wget"; then
@@ -1872,12 +1877,12 @@ _inithttp() {
     elif [ "$CA_BUNDLE" ]; then
       _ACME_WGET="$_ACME_WGET --ca-certificate=$CA_BUNDLE "
     fi
-  fi
 
     #from wget 1.14: do not skip body on 404 error
-  if [ "$_ACME_WGET" ] && _contains "$($_ACME_WGET --help 2>&1)" "--content-on-error"; then
+    if _contains "$(wget --help 2>&1)" "--content-on-error"; then
       _ACME_WGET="$_ACME_WGET --content-on-error "
     fi
+  fi
 
   __HTTP_INITIALIZED=1