git

type Brancher interface {
	CreateAndSwitch(ctx context.Context, name string) error
	Push(ctx context.Context, name string) error
	ForcePush(ctx context.Context, name string) error
	Switch(ctx context.Context, name string) error
	CurrentBranch(ctx context.Context) (string, error)
	Fetch(ctx context.Context) error
	FetchAndVerifyBranch(ctx context.Context, branch string) error
	DefaultBranch(ctx context.Context) (string, error)
	Pull(ctx context.Context) error
	MergeOriginDefault(ctx context.Context) error
}

type PRCreator interface {
	Create(ctx context.Context, title string, body string) (string, error)
}

type PRMerger interface {
	WaitAndMerge(ctx context.Context, prURL string) error
}

type Releaser interface {
	GetNextVersion(ctx context.Context, bump VersionBump) (string, error)
	CommitAndRelease(ctx context.Context, bump VersionBump, title string) error
	CommitCompletedFile(ctx context.Context, path string) error
	CommitOnly(ctx context.Context, message string) error
	AmendCommit(ctx context.Context, path string) error
	HasChangelog(ctx context.Context) bool
	MoveFile(ctx context.Context, oldPath string, newPath string) error
}

type SemanticVersionNumber struct {
	Major int
	Minor int
	Patch int
}

type VersionBump int

type Worktree interface {
	Add(ctx context.Context, path string, branch string) error
	Remove(ctx context.Context, path string) error
}