Fix HEAD method in resources.GetRemote

Fixes #10604

resources/resource_factories/create/integration_test.go

@@ -0,0 +1,56 @@
+// Copyright 2023 The Hugo Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package create_test
+
+import (
+	"testing"
+
+	"github.com/gohugoio/hugo/hugolib"
+)
+
+func TestGetResourceHead(t *testing.T) {
+
+	files := `
+-- config.toml --
+[security]
+  [security.http]
+    methods = ['(?i)GET|POST|HEAD']
+    urls = ['.*gohugo\.io.*']
+
+-- layouts/index.html --
+{{ $url := "https://gohugo.io/img/hugo.png" }}
+{{ $opts := dict "method" "head" }}
+{{ with resources.GetRemote $url $opts }}
+  {{ with .Err }}
+    {{ errorf "Unable to get remote resource: %s" . }}
+  {{ else }}
+    Head Content: {{ .Content }}.
+  {{ end }}
+{{ else }}
+  {{ errorf "Unable to get remote resource: %s" $url }}
+{{ end }}
+`
+
+	b := hugolib.NewIntegrationTestBuilder(
+		hugolib.IntegrationTestConfig{
+			T:           t,
+			TxtarString: files,
+		},
+	)
+
+	b.Build()
+
+	b.AssertFileContent("public/index.html", "Head Content: .")
+
+}