Default returns the default cache to use.

DefaultDir returns the effective GOCACHE setting.

FileHash returns the hash of the named file.

NewHash returns a new Hash.

Open opens and returns the cache in the given directory.

SetFileHash sets the hash returned by FileHash for file.

Subkey returns an action ID corresponding to mixing a parent action ID with a string description of the subkey.

HashSize is the number of bytes in a hash.

DebugTest is set when GODEBUG=gocachetest=1 is in the environment.

A Cache is a package cache, backed by a file system directory tree.

A Hash provides access to the canonical hash function used to index the cache.

An ActionID is a cache action key, the hash of a complete description of a repeatable computation (command line, environment variables, input file contents, executable contents).

An OutputID is a cache output key, the hash of an output of a computation.