ndb

package

v1.5.48 Latest Latest Go to latest Published: Dec 5, 2025 License: Apache-2.0 Imports: 7 Imported by: 0

Details

Package ndb provides support for read-only access to an RPM "ndb" database.

The support for ndb's native indexes is probably unneeded, but is implemented for completeness.

This section is empty.

This section is empty.

func CheckMagic(_ context.Context, r io.Reader) bool

CheckMagic reports whether the Reader starts with a magic header for a file format supported by this package.

type PackageDB struct {
	// contains filtered or unexported fields
}

PackageDB is the "pkgdb" a.k.a. "Packages.db", the raw package data.

func (db *PackageDB) GetHeader(pkgID uint32) (io.ReaderAt, error)

GetHeader returns an io.ReaderAt populated with [rpm.Header] data or reports an error.

func (db *PackageDB) Headers(_ context.Context) iter.Seq2[io.ReaderAt, error]

Headers returns an iterator over all the header blobs in the database.

func (db *PackageDB) Parse(r io.ReaderAt) error

Parse closes over the provided io.ReaderAt and populates the provided PackageDB.

func (h *PackageDB) UnmarshalBinary(b []byte) error

UnmarshalBinary implements encoding.BinaryUnmarshaler for a PackageDB header.