helper

package

v0.0.11 Latest Latest Go to latest Published: Dec 9, 2024 License: MIT Imports: 8 Imported by: 0

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var (
	// ErrInvalidNarURL is returned if the regexp did not match the given URL.
	ErrInvalidNarURL = errors.New("invalid nar URL")
)

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var ErrInvalidSizeSuffix = errors.New("invalid size suffix")

ErrInvalidSizeSuffix is returned if the suffix is not valid.

func MustRandString(n int, r io.Reader) string

MustRandString returns the string returned by RandString. If RandString returns an error, it will panic.

func NarInfoPath(hash string) string

NarInfoPath returns the path of the narinfo file given a hash.

func NarPath(hash, compression string) string

NarPath returns the path of the nar file given a hash and an optional compression.

func ParseNarURL(URL string) (string, string, error)

ParseNarURL parses a nar URL (as present in narinfo) and returns its components.

func ParseSize(str string) (uint64, error)

ParseSize parses size with units and returns the same size in bytes.

func RandString(n int, r io.Reader) (string, error)

RandString returns a random string of length n using r as the random reader; If r is nil, rand.Reader will be used instead.

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