feat: improve scaffold list command (#77)

* improve scaffold list command

* restrict to .scaffold

* prevent error when file doesn't exist

* fmt

app/commands/controller.go

@@ -13,6 +13,7 @@ type Flags struct {
 	Cache          string
 	OutputDir      string
 	ScaffoldDirs   []string
+	Cwd            string
 }
 
 type Controller struct {

app/commands/list.go

@@ -3,19 +3,50 @@ package commands
 import (
 	"fmt"
 	"os"
+	"strings"
 
+	"github.com/charmbracelet/glamour"
 	"github.com/hay-kot/scaffold/app/scaffold/pkgs"
 	"github.com/urfave/cli/v2"
 )
 
 func (ctrl *Controller) List(ctx *cli.Context) error {
-	scaffolds, err := pkgs.List(os.DirFS(ctrl.Flags.Cache))
+	systemScaffolds, err := pkgs.ListSystem(os.DirFS(ctrl.Flags.Cache))
 	if err != nil {
 		return err
 	}
 
-	for _, s := range scaffolds {
-		fmt.Println(s)
+	localScaffolds, err := pkgs.ListLocal(os.DirFS(ctrl.Flags.OutputDir))
+	if err != nil {
+		return err
+	}
+
+	bldr := strings.Builder{}
+
+	if len(localScaffolds) > 0 {
+		bldr.WriteString("## Local Scaffolds\n")
+
+		for _, s := range localScaffolds {
+			bldr.WriteString(fmt.Sprintf("  - %s\n", s))
+		}
+
+		bldr.WriteString("\n")
+	}
+
+	if len(systemScaffolds) > 0 {
+		bldr.WriteString("## System Scaffolds\n")
+
+		for _, s := range systemScaffolds {
+			bldr.WriteString(fmt.Sprintf("  - %s\n", s))
+		}
+	}
+
+	our, err := glamour.RenderWithEnvironmentConfig(bldr.String())
+	if err != nil {
+		return err
 	}
+
+	fmt.Println(our)
+
 	return nil
 }

app/commands/update.go

@@ -12,7 +12,7 @@ import (
 func (ctrl *Controller) Update(ctx *cli.Context) error {
 	ctrl.ready()
 
-	scaffolds, err := pkgs.List(os.DirFS(ctrl.Flags.Cache))
+	scaffolds, err := pkgs.ListSystem(os.DirFS(ctrl.Flags.Cache))
 	if err != nil {
 		return err
 	}

app/scaffold/pkgs/list.go

@@ -5,9 +5,44 @@ import (
 	"path/filepath"
 )
 
-// List traverses the filesystem and returns a list of all the package paths
-// and references
-func List(f fs.FS) ([]string, error) {
+func ListLocal(f fs.FS) ([]string, error) {
+	// .scaffold
+	// └── model
+	//     └── scaffold.yaml
+	// └── controller
+	//     └── scaffold.yaml
+
+	outpaths := []string{}
+
+	// Ensure that the .scaffold directory exists
+	// If it doesn't, return an empty slice
+	if _, err := fs.Stat(f, ".scaffold"); err != nil {
+		return outpaths, nil
+	}
+
+	err := fs.WalkDir(f, ".scaffold", func(path string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+
+		if d.Name() == "scaffold.yaml" || d.Name() == "scaffold.yml" {
+			outpaths = append(outpaths, filepath.Base(filepath.Dir(path)))
+			return filepath.SkipDir
+		}
+
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return outpaths, nil
+}
+
+// ListSystem traverses the filesystem and returns a list of all the package paths
+// and references. This lists only the system scaffolds, and not the ones in the local
+// .scaffold directory.
+func ListSystem(f fs.FS) ([]string, error) {
 	// Example Structure
 	// Root
 	// └── github.com