First step: inventory posts in provided directory

cmd/obp/cmd/hugo.go

@@ -27,7 +27,7 @@ var hugoCmd = &cobra.Command{
 		target := viper.GetString("target")
 		source := viper.GetString("source")
 
-		err := obp.CopyPosts(target, source)
+		err := obp.CopyPosts(source, target)
 		if err != nil {
 			return fmt.Errorf("error copying posts in %q: %w", source, err)
 		}
@@ -50,7 +50,7 @@ func init() {
 	hugoCmd.Flags().StringP("target", "t", "", "hugo content/ directory")
 	hugoCmd.MarkFlagsRequiredTogether("source", "target")
 
-	err := viper.BindPFlag("source", hugoCmd.Flags().Lookup("schema"))
+	err := viper.BindPFlag("source", hugoCmd.Flags().Lookup("source"))
 	if err != nil {
 		log.Panicln("error binding viper to source flag:", err)
 	}

hugo.go

@@ -1,6 +1,46 @@
 package obp
 
+import (
+	"fmt"
+	"io/fs"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
 func CopyPosts(src, dst string) error {
+	/*
+		err := os.MkdirAll(dst, 0777)
+		if err != nil && !os.IsExist(err) {
+			return fmt.Errorf("error creating target directory %q: %w", dst, err)
+		}
+	*/
+
+	posts := make([]string, 0)
+
+	srcRoot := os.DirFS(src)
+	err := fs.WalkDir(srcRoot, ".", func(path string, d fs.DirEntry, err error) error {
+		// here's where I walk through the source directory and collect all the markdown notes
+		if err != nil {
+			return fmt.Errorf("could not walk %q: %w", path, err)
+		}
+
+		if d.IsDir() {
+			return nil
+		}
+
+		if strings.HasSuffix(path, ".md") {
+			posts = append(posts, filepath.Join(src, path))
+		}
+
+		return nil
+	})
+	if err != nil {
+		return fmt.Errorf("walkfunc failed: %w", err)
+	}
+	log.Printf("%#+v\n", posts)
+
 	return nil
 }