Method Add

fs/filter/filter.go:314–345

Add adds a filter rule with include or exclude status indicated

(Include bool, glob string)

// Add adds a filter rule with include or exclude status indicated
func (f *Filter) Add(Include bool, glob string) error {
	isDirRule := strings.HasSuffix(glob, "/")
	isFileRule := !isDirRule
	// Make excluding "dir/" equivalent to excluding "dir/**"
	if isDirRule && !Include {
		glob += "**"
	}
	if strings.Contains(glob, "**") {
		isDirRule, isFileRule = true, true
	}
	re, err := GlobPathToRegexp(glob, f.Opt.IgnoreCase)
	if err != nil {
		return err
	}
	if isFileRule {
		f.fileRules.add(Include, re)
		// If include rule work out what directories are needed to scan
		// if exclude rule, we can't rule anything out
		// Unless it is `*` which matches everything
		// NB ** and /** are DirRules
		if Include || glob == "*" {
			err = f.addDirGlobs(Include, glob)
			if err != nil {
				return err
			}
		}
	}
	if isDirRule {
		f.dirRules.add(Include, re)
	}
	return nil
}

// AddRule adds a filter rule with include/exclude indicated by the prefix
//