func (b *Builder) AutoAction(mode, depMode BuildMode, p *load.Package) *Action {
	if p.Name == "main" {
		return b.LinkAction(mode, depMode, p)
	}
	return b.CompileAction(mode, depMode, p)
}

// buildActor implements the Actor interface for package build
// actions. For most package builds this simply means invoking th
// *Builder.build method; in the case of "go test -cover" for

				// Add a dependence edge from p to writeCoverMetaAct,
				// which needs to know the name of that meta-data
				// file.
				compileAction := b.CompileAction(work.ModeBuild, work.ModeBuild, p)
				writeCoverMetaAct.Deps = append(writeCoverMetaAct.Deps, compileAction)
			}
		}
		runAction.Objdir = testDir
		vetRunAction = runAction
		cleanAction = &work.Action{
			Mode:       "test clean",