repository

type ClockedRepo interface {
	Repo

	// LoadClocks read the clocks values from the on-disk repo
	LoadClocks() error

	// WriteClocks write the clocks values into the repo
	WriteClocks() error

	// CreateTime return the current value of the creation clock
	CreateTime() lamport.Time

	// CreateTimeIncrement increment the creation clock and return the new value.
	CreateTimeIncrement() (lamport.Time, error)

	// EditTime return the current value of the edit clock
	EditTime() lamport.Time

	// EditTimeIncrement increment the edit clock and return the new value.
	EditTimeIncrement() (lamport.Time, error)

	// WitnessCreate witness another create time and increment the corresponding
	// clock if needed.
	WitnessCreate(time lamport.Time) error

	// WitnessEdit witness another edition time and increment the corresponding
	// clock if needed.
	WitnessEdit(time lamport.Time) error
}

type Config interface {
	// Store writes a single key/value pair in the config
	StoreString(key, value string) error

	// Store writes a key and timestamp value to the config
	StoreTimestamp(key string, value time.Time) error

	// Store writes a key and boolean value to the config
	StoreBool(key string, value bool) error

	// ReadAll reads all key/value pair matching the key prefix
	ReadAll(keyPrefix string) (map[string]string, error)

	// ReadBool read a single boolean value from the config
	// Return ErrNoConfigEntry or ErrMultipleConfigEntry if
	// there is zero or more than one entry for this key
	ReadBool(key string) (bool, error)

	// ReadBool read a single string value from the config
	// Return ErrNoConfigEntry or ErrMultipleConfigEntry if
	// there is zero or more than one entry for this key
	ReadString(key string) (string, error)

	// ReadTimestamp read a single timestamp value from the config
	// Return ErrNoConfigEntry or ErrMultipleConfigEntry if
	// there is zero or more than one entry for this key
	ReadTimestamp(key string) (time.Time, error)

	// RemoveAll removes all key/value pair matching the key prefix
	RemoveAll(keyPrefix string) error
}

type GitRepo struct {
	Path string
	// contains filtered or unexported fields
}

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

type ObjectType int

type Repo interface {
	RepoConfig
	RepoCommon

	// FetchRefs fetch git refs from a remote
	FetchRefs(remote string, refSpec string) (string, error)

	// PushRefs push git refs to a remote
	PushRefs(remote string, refSpec string) (string, error)

	// StoreData will store arbitrary data and return the corresponding hash
	StoreData(data []byte) (git.Hash, error)

	// ReadData will attempt to read arbitrary data from the given hash
	ReadData(hash git.Hash) ([]byte, error)

	// StoreTree will store a mapping key-->Hash as a Git tree
	StoreTree(mapping []TreeEntry) (git.Hash, error)

	// StoreCommit will store a Git commit with the given Git tree
	StoreCommit(treeHash git.Hash) (git.Hash, error)

	// StoreCommit will store a Git commit with the given Git tree
	StoreCommitWithParent(treeHash git.Hash, parent git.Hash) (git.Hash, error)

	// UpdateRef will create or update a Git reference
	UpdateRef(ref string, hash git.Hash) error

	// ListRefs will return a list of Git ref matching the given refspec
	ListRefs(refspec string) ([]string, error)

	// RefExist will check if a reference exist in Git
	RefExist(ref string) (bool, error)

	// CopyRef will create a new reference with the same value as another one
	CopyRef(source string, dest string) error

	// ListCommits will return the list of tree hashes of a ref, in chronological order
	ListCommits(ref string) ([]git.Hash, error)

	// ListEntries will return the list of entries in a Git tree
	ListEntries(hash git.Hash) ([]TreeEntry, error)

	// FindCommonAncestor will return the last common ancestor of two chain of commit
	FindCommonAncestor(hash1 git.Hash, hash2 git.Hash) (git.Hash, error)

	// GetTreeHash return the git tree hash referenced in a commit
	GetTreeHash(commit git.Hash) (git.Hash, error)
}

type RepoCommon interface {
	// GetPath returns the path to the repo.
	GetPath() string

	// GetUserName returns the name the the user has used to configure git
	GetUserName() (string, error)

	// GetUserEmail returns the email address that the user has used to configure git.
	GetUserEmail() (string, error)

	// GetCoreEditor returns the name of the editor that the user has used to configure git.
	GetCoreEditor() (string, error)

	// GetRemotes returns the configured remotes repositories.
	GetRemotes() (map[string]string, error)
}

type RepoConfig interface {
	// LocalConfig give access to the repository scoped configuration
	LocalConfig() Config

	// GlobalConfig give access to the git global configuration
	GlobalConfig() Config
}

type TreeEntry struct {
	ObjectType ObjectType
	Hash       git.Hash
	Name       string
}

type Witnesser func(repo ClockedRepo) error