first mvp

internal/tree/ignore.go

@@ -0,0 +1,19 @@
+package tree
+
+import (
+	"os"
+	"path/filepath"
+
+	ignore "github.com/sabhiram/go-gitignore"
+)
+
+// Load 加载 .gitignore
+func Load(root string) (*ignore.GitIgnore, error) {
+	path := filepath.Join(root, ".gitignore")
+
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		return ignore.CompileIgnoreLines(), nil
+	}
+
+	return ignore.CompileIgnoreFile(path)
+}