nixutil

package

v0.0.0-...-3288d0b Latest Latest Go to latest Published: Dec 17, 2023 License: GPL-3.0 Imports: 13 Imported by: 0

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func ChannelSourcePath(ctx context.Context, channelName string) (string, error)

ChannelSourcePath resolves the /nix/store path of the channel with the given name.

func Eval(ctx context.Context, out interface{}, expr string) error

Eval uses nix-instantiate to evaluate a Nix expression.

func StoreDir() (string, error)

StoreDir retrieves the Nix store directory. It is usually /nix/store but can technically be different.

func StoreDirUncached(ctx context.Context) (string, error)

StoreDirUncached retrieves the Nix store directory without using the cache.

type StoreHash string

StoreHash is the string hash part of the /nix/store string.

func (h StoreHash) Decode() ([]byte, error)

Decode decodes the store hash to its raw digest.

type StorePath struct {
	Root string
	Name string
	Hash StoreHash
}

StorePath is the checksum string extracted from the /nix/store path.

func LocatePath(hash StoreHash) (StorePath, error)

LocatePath locates the Nix store directory matching the given hash.

func LocatePathWithRoot(root string, hash StoreHash) (StorePath, error)

LocatePathWithRoot locates the Nix store directory matching the given hash within the given root directory.

func ParseStorePath(path string) (StorePath, error)

ParseStorePath parses the given path within /nix/store as a Nix StorePath.

func ParseStorePathWithRoot(root, path string) (StorePath, error)

ParseStorePathWithRoot parses the given path within the root directory as a Nix StorePath.

func (p StorePath) String() string

String formats the path into /nix/store/X.