add default for asset path

.golangci.yml

@@ -7,6 +7,7 @@ linters:
   - exhaustruct
   - paralleltest
   - gomoddirectives
+  - lll
 
   # linters deprecated
   - deadcode

cli.go

@@ -12,16 +12,22 @@ import (
 )
 
 type CLI struct {
-	BuildPath      string `help:"where generated content should go" required:""                  type:"path"`
-	LayoutFilename string `default:"layout.html"                    help:"layout file to render" required:""`
+	BuildPath      string `help:"where generated content should go"                          required:""                  type:"path"`
+	LayoutFilename string `default:"layout.html"                                             help:"layout file to render" required:""`
 	Serve          bool   `help:"serve when done building"`
-	SourcePath     string `help:"source of all files"               required:""                  type:"path"`
+	SourcePath     string `help:"source of all files"                                        required:""                  type:"path"`
+	AssetsPath     string `help:"path to static assets (default with be source-path/public)"`
 }
 
 func (c *CLI) Run() error {
+	if c.AssetsPath == "" {
+		c.AssetsPath = filepath.Join(c.SourcePath, "public")
+	}
+
 	renderer := NewRender(
 		filepath.Join(c.SourcePath, c.LayoutFilename),
 		c.SourcePath,
+		c.AssetsPath,
 		c.BuildPath,
 	)
 

render.go

@@ -29,6 +29,7 @@ import (
 type Render struct {
 	layoutPath string
 	sourcePath string
+	assetsPath string
 	buildPath  string
 	converter  goldmark.Markdown
 }
@@ -38,11 +39,13 @@ var errMissingTitle = errors.New("missing title in metadata or h1")
 func NewRender(
 	layoutPath string,
 	sourcePath string,
+	assetsPath string,
 	buildPath string,
 ) *Render {
 	return &Render{
 		layoutPath: layoutPath,
 		sourcePath: sourcePath,
+		assetsPath: assetsPath,
 		buildPath:  buildPath,
 		converter: goldmark.New(
 			goldmark.WithRendererOptions(
@@ -124,7 +127,7 @@ func (r *Render) copyAssets() error {
 		return fmt.Errorf("could not create build path (%s): %w", r.buildPath, err)
 	}
 
-	assetsPath := filepath.Join(r.sourcePath, "public")
+	assetsPath := r.assetsPath
 
 	if _, err := os.Stat(assetsPath); !os.IsNotExist(err) {
 		err = cp.Copy(assetsPath, r.buildPath)