run

type Options struct {
	Module       string        // upstream package name as the dependent's manager knows it
	UpstreamRepo string        // git URL to clone the upstream from when UpstreamPath is empty
	UpstreamRef  string        // git ref to clone the upstream at; ignored if UpstreamPath is set
	UpstreamPath string        // local path to the patched upstream
	Dependent    string        // repo URL or local path
	DependentRef string        // optional ref to check out in the dependent
	Name         string        // display name for the dependent in reports; defaults to Dependent
	Workdir      string        // base directory for clones; temp dir if empty
	TestCmd      string        // override test command; defaults per ecosystem
	Timeout      time.Duration // per test run
	Keep         bool          // keep workdir on exit
	Stderr       io.Writer     // progress output
}

type Result struct {
	Module        string
	Dependent     string
	DependentPath string
	UpstreamPath  string
	Manager       string
	Narrowed      int // packages the test command was auto-narrowed to; 0 = ./...
	Baseline      TestRun
	Patched       TestRun
}

type ResultEntry struct {
	Name     string
	Result   *Result
	SetupErr error
}

type Results []ResultEntry

type Status string

type TestRun struct {
	Command  []string
	Output   string
	ExitCode int
	Duration time.Duration
	Err      error // non-nil only when the process failed to start
}