alp

package

v0.1.5 Latest Latest Go to latest Published: Mar 20, 2024 License: AGPL-3.0 Imports: 21 Imported by: 0

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Repository

github.com/facekapow/pacrat

Links

Open Source Insights

README ¶

Alp

A package to load and inspect Arch Linux packages and modify Arch Linux package databases (with no dependency on libalpm).

Documentation ¶

Index ¶

Variables
func NewCompressionWriter(compression Compression, dest io.Writer) (io.WriteCloser, error)
type Compression
- func DetectCompressionFormat(source io.Reader) (io.Reader, Compression, error)
- func NewDetectedCompressionReader(source io.Reader) (io.Reader, io.ReadCloser, Compression, error)
type Database
- func ReadDatabase(mainDBSource io.Reader, fileDBSource io.Reader) (*Database, error)
type Package
- func ReadPackage(source io.Reader, compressed bool) (*Package, error)
- func (pkg *Package) RepositoryFilename() string

Constants ¶

This section is empty.

Variables ¶

View Source

var ErrUnknownCompression = errors.New("unknown compression format")

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var MagicBZ = [...]byte{0x42, 0x5a, 0x68}

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var MagicGZ = [...]byte{0x1f, 0x8b}

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var MagicXZ = [...]byte{0xfd, 0x37, 0x7a, 0x58, 0x5a, 0x00}

View Source

var MagicZST = [...]byte{0x28, 0xb5, 0x2f, 0xfd}

Functions ¶

func NewCompressionWriter ¶

func NewCompressionWriter(compression Compression, dest io.Writer) (io.WriteCloser, error)

Types ¶

type Compression ¶

type Compression int

const (
	CompressionGZ Compression = iota
	CompressionBZ
	CompressionXZ
	CompressionZST
)

func DetectCompressionFormat ¶

func DetectCompressionFormat(source io.Reader) (io.Reader, Compression, error)

func NewDetectedCompressionReader ¶

func NewDetectedCompressionReader(source io.Reader) (io.Reader, io.ReadCloser, Compression, error)

func (*Compression) CompressionFileExtension ¶

func (cmp *Compression) CompressionFileExtension() string

func (*Compression) MarshalText ¶

func (cmp *Compression) MarshalText() ([]byte, error)

func (*Compression) UnmarshalText ¶

func (cmp *Compression) UnmarshalText(text []byte) error

type Database ¶

type Database struct {
	Packages []*Package
}

func ReadDatabase ¶

func ReadDatabase(mainDBSource io.Reader, fileDBSource io.Reader) (*Database, error)

func (*Database) Add ¶

func (db *Database) Add(pkg *Package, replaceIfExists bool) error

func (*Database) Find ¶

func (db *Database) Find(name string, version string) (*Package, error)

func (*Database) FindAll ¶

func (db *Database) FindAll(name string) []*Package

func (*Database) Remove ¶

func (db *Database) Remove(name string, version string) error

func (*Database) RemoveAll ¶

func (db *Database) RemoveAll(name string)

func (*Database) Write ¶

func (db *Database) Write(mainDBDest io.Writer, fileDBDest io.Writer, compression Compression) error

type Package ¶

type Package struct {
	Name            string
	Base            string
	Version         string
	Description     string
	URL             *url.URL
	BuildDate       time.Time
	Packager        string
	Size            uint64
	CompressedSize  uint64
	Architecture    string
	Licenses        []string
	Filenames       []string
	Groups          []string
	Depends         []string
	Replaces        []string
	Conflicts       []string
	Provides        []string
	OptionalDepends []string
	MakeDepends     []string
	CheckDepends    []string
	MD5             []byte
	SHA256          []byte
	Signature       []byte
	Compression     Compression
}

func ReadPackage ¶

func ReadPackage(source io.Reader, compressed bool) (*Package, error)

func (*Package) RepositoryFilename ¶

func (pkg *Package) RepositoryFilename() string

Source Files ¶

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