Method Add

deb/list.go:137–161

Add appends package to package list, additionally checking for uniqueness

(p *Package)

// Add appends package to package list, additionally checking for uniqueness
func (l *PackageList) Add(p *Package) error {
	key := l.keyFunc(p)
	existing, ok := l.packages[key]
	if ok {
		if !existing.Equals(p) {
			return &PackageConflictError{fmt.Errorf("package already exists and is different: %s", p)}
		}
		return nil
	}
	l.packages[key] = p

	if l.indexed {
		for _, provides := range p.ProvidedPackages() {
			l.providesIndex[provides] = append(l.providesIndex[provides], p)
		}

		i := sort.Search(len(l.packagesIndex), func(j int) bool { return l.lessPackages(p, l.packagesIndex[j]) })

		// insert p into l.packagesIndex in position i
		l.packagesIndex = append(l.packagesIndex, nil)
		copy(l.packagesIndex[i+1:], l.packagesIndex[i:])
		l.packagesIndex[i] = p
	}
	return nil
}

// ForEach calls handler for each package in list
func (l *PackageList) ForEach(handler func(*Package) error) error {