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path: root/doWalk.go
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package main

import (
	"os"
	"time"

	"go.wit.com/lib/debian"
	"go.wit.com/lib/protobuf/zoopb"
	"go.wit.com/log"
	"google.golang.org/protobuf/types/known/timestamppb"
)

func doWalk() (string, error) {
	os.Chdir(me.pb.BaseDir)

	// 2. Scan pool directory for .deb files and gather info
	log.Printf("Scanning for .deb files in %s\n", poolDir)
	debInfos, err := scanDebs(poolDir, 200)
	if err != nil {
		log.Printf("Failed to scan .deb files: %v\n", err)
		me.sh.BadExit("scan pool scan dir", err)
	}

	var counter int
	for _, deb := range debInfos {
		newdeb := new(zoopb.Package)
		newdeb.DebInfo = new(zoopb.DebInfo)
		newdeb.Filename = deb.Filename
		newdeb.DebInfo.Filename = deb.Filename
		newdeb.DebInfo.MD5SUM = deb.MD5Sum
		newdeb.DebInfo.SHA1 = deb.SHA1Sum
		newdeb.DebInfo.SHA256 = deb.SHA256Sum

		// log.Info("len(CONTROLDATA)", len(deb.ControlData))
		// log.Sprintf("VAR='%s' VAL='%s'\n", varname, varvalue)
		// log.Info("%v", deb.ControlData)
		for varname, varvalue := range deb.ControlData {
			switch varname {
			case "Package":
				newdeb.Package = varvalue
			case "Version":
				newdeb.Version = varvalue
			case "Architecture":
				newdeb.Architecture = varvalue
			case "Git-Tag-Date":
				if argv.Verbose {
					log.Info("CONVERT THIS TO TIME", varname, varvalue)
				}
			case "Depends":
				newdeb.DebInfo.Depends = varvalue
			case "Build-Depends":
				newdeb.DebInfo.BuildDepends = varvalue
			case "Packager":
				newdeb.DebInfo.Packager = varvalue
			case "Package-Build-Date":
				varname = "PackageBuildDate"
				const layout = "2006/01/02 15:04:05 MST"
				parsedTime, err := time.Parse(layout, varvalue)
				if err != nil {
					log.Info("CONVERT TO TIME failed", varname, varvalue, err)
				}
				newdeb.BuildDate = timestamppb.New(parsedTime)
			case "URL":
				newdeb.DebInfo.Homepage = varvalue
			default:
				if err := debian.SetDebInfoString(newdeb, varname, varvalue); err == nil {
					if argv.Verbose {
						log.Printf("Searching for Sugarman WORKED: VAR='%-30s' VAL='%s'\n", varname, varvalue)
					}
				} else {
					log.Printf("Searching for Sugarman (unknwon var): VAR='%-30s' VAL='%s' err=%v\n", varname, varvalue, err)
				}
				// todo: add to protomap
			}
		}
		counter += 1
		me.pb.AppendByFilename(newdeb)
		if newdeb.Filename == "" {
			log.Info(deb)
			log.Info("file=", deb.Filename)
			panic("newdeb.Filename = ''")
		}
		if argv.Verbose {
			newdeb.Print()
		}
		// arch := deb.ControlData["Architecture"]
	}

	// footer := me.pb.PrintTable()
	// log.Info("found so far:", footer)

	me.pb.Save()
	log.Printf("add %d new packages. Total packages.Len()=%d\n", counter, me.pb.Len())
	return "mirrors/ has been scanned for new files", nil
}