Add fill HTTP Response info into .Data in resources.GetRemote

See #10604

docs/content/en/hugo-pipes/introduction.md

@@ -50,6 +50,20 @@ With `resources.GetRemote`, the first argument is a remote URL:
 
 `resources.Get` and `resources.GetRemote` return `nil` if the resource is not found.
 
+{{< new-in "0.110.0" >}} You can get information about the HTTP Response using `.Data` in the returned `Resource`. This is especially useful for HEAD request without any body. The Data object contains:
+
+StatusCode
+: The HTTP status code, e.g. 200
+Status
+: The HTTP status text, e.g. "200 OK"
+TransferEncoding
+: The transfer encoding, e.g. "chunked"
+ContentLength
+: The content length, e.g. 1234
+ContentType
+: The content type, e.g. "text/html"
+
+
 ## Copy a Resource
 
 {{< new-in "0.100.0" >}}

resources/resource.go

@@ -70,6 +70,8 @@ type ResourceSourceDescriptor struct {
 
 	Fs afero.Fs
 
+	Data map[string]any
+
 	// Set when its known up front, else it's resolved from the target filename.
 	MediaType media.Type
 

resources/resource_factories/create/integration_test.go

@@ -35,7 +35,7 @@ func TestGetResourceHead(t *testing.T) {
   {{ with .Err }}
     {{ errorf "Unable to get remote resource: %s" . }}
   {{ else }}
-    Head Content: {{ .Content }}.
+    Head Content: {{ .Content }}. Head Data: {{ .Data }}
   {{ end }}
 {{ else }}
   {{ errorf "Unable to get remote resource: %s" $url }}
@@ -51,6 +51,9 @@ func TestGetResourceHead(t *testing.T) {
 
 	b.Build()
 
-	b.AssertFileContent("public/index.html", "Head Content: .")
+	b.AssertFileContent("public/index.html",
+		"Head Content: .",
+		"Head Data: map[ContentLength:18210 ContentType:image/png Status:200 OK StatusCode:200 TransferEncoding:[]]",
+	)
 
 }

resources/resource_factories/create/remote.go

@@ -207,10 +207,12 @@ func (c *Client) FromRemote(uri string, optionsm map[string]any) (resource.Resou
 	}
 
 	resourceID = filename[:len(filename)-len(path.Ext(filename))] + "_" + resourceID + mediaType.FirstSuffix.FullSuffix
+	data := responseToData(res, false)
 
 	return c.rs.New(
 		resources.ResourceSourceDescriptor{
 			MediaType:   mediaType,
+			Data:        data,
 			LazyPublish: true,
 			OpenReadSeekCloser: func() (hugio.ReadSeekCloser, error) {
 				return hugio.NewReadSeekerNoOpCloser(bytes.NewReader(body)), nil

resources/resource_spec.go

@@ -192,6 +192,7 @@ func (r *Spec) newGenericResource(sourceFs afero.Fs,
 		sourceFilename,
 		baseFilename,
 		mediaType,
+		nil,
 	)
 }
 
@@ -203,7 +204,9 @@ func (r *Spec) newGenericResourceWithBase(
 	osFileInfo os.FileInfo,
 	sourceFilename,
 	baseFilename string,
-	mediaType media.Type) *genericResource {
+	mediaType media.Type,
+	data map[string]any,
+) *genericResource {
 	if osFileInfo != nil && osFileInfo.IsDir() {
 		panic(fmt.Sprintf("dirs not supported resource types: %v", osFileInfo))
 	}
@@ -244,6 +247,7 @@ func (r *Spec) newGenericResourceWithBase(
 		name:                   baseFilename,
 		title:                  baseFilename,
 		resourceContent:        &resourceContent{},
+		data:                   data,
 	}
 
 	return g
@@ -305,7 +309,8 @@ func (r *Spec) newResource(sourceFs afero.Fs, fd ResourceSourceDescriptor) (reso
 		fi,
 		sourceFilename,
 		fd.RelTargetFilename,
-		mimeType)
+		mimeType,
+		fd.Data)
 
 	if mimeType.MainType == "image" {
 		imgFormat, ok := images.ImageFormatFromMediaSubType(mimeType.SubType)