init ctx

scanner.go

@@ -0,0 +1,76 @@
+package main
+
+import (
+	"io/fs"
+	"os"
+	"path/filepath"
+	"slices"
+)
+
+type Scanner struct {
+	Root      string
+	GlobalCfg *Config
+	LocalCfg  *Config
+}
+
+func NewScanner(root string, globalCfg *Config) *Scanner {
+	s := &Scanner{
+		Root:      root,
+		GlobalCfg: globalCfg,
+	}
+
+	gitIgnorePath := filepath.Join(root, ".gitignore")
+	if data, err := os.ReadFile(gitIgnorePath); err == nil {
+		s.LocalCfg = parseConfig(string(data))
+	}
+	return s
+}
+
+func (s *Scanner) Scan() ([]string, error) {
+	var files []string
+
+	err := filepath.WalkDir(s.Root, func(path string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+
+		relPath, err := filepath.Rel(s.Root, path)
+		if err != nil {
+			return err
+		}
+
+		if relPath == "." {
+			return nil
+		}
+
+		name := d.Name()
+		isDir := d.IsDir()
+
+		if isDir && name == ".git" {
+			return filepath.SkipDir
+		}
+
+		if s.GlobalCfg.IsIgnored(name, relPath, isDir) {
+			if isDir {
+				return filepath.SkipDir
+			}
+			return nil
+		}
+
+		if s.LocalCfg != nil && s.LocalCfg.IsIgnored(name, relPath, isDir) {
+			if isDir {
+				return filepath.SkipDir
+			}
+			return nil
+		}
+
+		if !isDir {
+			files = append(files, relPath)
+		}
+		return nil
+	})
+
+	slices.Sort(files)
+
+	return files, err
+}