func (this *GoPackagesFromReader) Update() { reduceFunc := func(importPath string) interface{} { if goPackage := gist7480523.GoPackageFromImportPath(importPath); goPackage != nil { return goPackage } return nil } goPackages := gist7651991.GoReduceLinesFromReader(this.Reader, 8, reduceFunc) this.Entries = nil for { if goPackage, ok := <-goPackages; ok { this.Entries = append(this.Entries, goPackage.(*gist7480523.GoPackage)) } else { break } } }
func main() { runtime.GOMAXPROCS(runtime.NumCPU()) flag.Usage = usage flag.Parse() // Get current directory. wd, err := os.Getwd() if err != nil { panic(err) } shouldShow := func(goPackage *gist7480523.GoPackage) bool { // Check for notable status. return status.PorcelainPresenter(goPackage)[:4] != " " } if *vFlag == true { shouldShow = func(_ *gist7480523.GoPackage) bool { return true } } var presenter gist7480523.GoPackageStringer = status.PorcelainPresenter if *debugFlag == true { presenter = status.DebugPresenter } else if *plumbingFlag == true { presenter = status.PlumbingPresenter } // A map of repos that have been checked, to avoid doing same repo more than once. var lock sync.Mutex checkedRepos := map[string]bool{} // Input: Go package Import Path // Output: If a valid Go package and not inside GOROOT, output a status string, else nil. reduceFunc := func(in string) interface{} { goPackage, err := gist7480523.GoPackageFromPath(in, wd) if err != nil { fmt.Fprintf(os.Stderr, "can't load package: %s\n", err) return nil } if goPackage == nil { return nil } if goPackage.Bpkg.Goroot { return nil } goPackage.UpdateVcs() // Check that the same repo hasn't already been done. if goPackage.Dir.Repo != nil { rootPath := goPackage.Dir.Repo.Vcs.RootPath() lock.Lock() if !checkedRepos[rootPath] { checkedRepos[rootPath] = true lock.Unlock() } else { lock.Unlock() // Skip repos that were done. return nil } } goPackage.UpdateVcsFields() if shouldShow(goPackage) == false { return nil } return presenter(goPackage) } // Run reduceFunc on all import paths in parallel. var outChan <-chan interface{} switch *stdinFlag { case false: importPathPatterns := flag.Args() importPaths := gotool.ImportPaths(importPathPatterns) outChan = gist7651991.GoReduceLinesFromSlice(importPaths, numWorkers, reduceFunc) case true: outChan = gist7651991.GoReduceLinesFromReader(os.Stdin, numWorkers, reduceFunc) } // Output results. for out := range outChan { fmt.Println(out.(string)) } }