Method ShouldIgnore

scanner/walker.go:77–107

ShouldIgnore checks if a path should be ignored based on all applicable .gitignore files. Git evaluates rules from root to leaf, with later rules overriding earlier ones.

(absPath string)

// ShouldIgnore checks if a path should be ignored based on all applicable .gitignore files.
// Git evaluates rules from root to leaf, with later rules overriding earlier ones.
func (c *GitIgnoreCache) ShouldIgnore(absPath string) bool {
	if len(c.cache) == 0 {
		return false
	}

	// Collect directories from leaf to root
	var dirs []string
	for dir := filepath.Dir(absPath); ; dir = filepath.Dir(dir) {
		dirs = append(dirs, dir)
		if dir == c.root || dir == filepath.Dir(dir) {
			break
		}
	}

	// Combine all patterns from root to leaf into one gitignore.
	// This allows negation patterns in child .gitignore to override parent rules.
	var allPatterns []string
	for i := len(dirs) - 1; i >= 0; i-- {
		if patterns, ok := c.patterns[dirs[i]]; ok {
			allPatterns = append(allPatterns, patterns...)
		}
	}

	if len(allPatterns) == 0 {
		return false
	}

	combined := ignore.CompileIgnoreLines(allPatterns...)
	relPath, _ := filepath.Rel(c.root, absPath)
	return combined.MatchesPath(relPath)
}

// IgnoredDirs are directories to skip during scanning
var IgnoredDirs = map[string]bool{