git

type Branch interface {
	// Checkout a new branch with the specified name
	Checkout(name string) error
	// Current returns the name of the current branch
	Current() (string, error)
	// ValidateName checks if a given name is a potentially valid branch name
	ValidateName(name string) error
}

type CommandError struct {
	Err error
	// The actually executed OS command
	Cmd *exec.Cmd
	// Human readable string of the command output
	Output string
}

type Commit interface {
	// New creates a new git commit with the specified message
	New(message string) error
	// LogsBetweenVersions returns a log between two commit versions
	// If used with empty strings as versionA and B it returns the full current log
	LogsBetweenVersions(versionA, versionB string) ([]CommitLog, error)
}

type CommitLog struct {
	// Author (name) of the commit
	Author string
	// AuthorEmail of the commit
	AuthorEmail string
	// Hash to identify the commit
	Hash string
	// Message of the commit
	Message   string
	Timestamp string
}

type Git interface {
	ExecCommand(args []string) (string, int, error)
}

type InvalidBranchNameError struct {
	Err  error
	Name string
}

type Remote interface {
	// GetHttpURL returns the URL of the given remote name in HTTP(S) format
	GetHttpURL(name string) (string, error)
	// GetProject returns the project part of the remote remote URL
	GetProject(name string) (string, error)
	// GetProjectByHttpURL extracts the project name of a given repo HTTP url
	GetProjectByHttpURL(httpURL string) (string, error)
	// GetURL returns the URL of the given remote name
	GetURL(name string) (*url.URL, error)
}

type Tag interface {
	// GenerateNew a new tag or use the backupTag if no tag exists yet
	GenerateNew(backupTag string) (string, error)
	// Latest tag
	Latest() (string, error)
	// List all available git tags accross all branches sorted by date commited
	List() (TagList, error)
}

type TagList []string