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package database
import (
"fmt"
"os"
// "archive/tar"
"bufio"
"context"
"net/http"
"path"
"path/filepath"
"sync"
"time"
// "net/url"
"io"
"strings"
"qulay/config"
"codeberg.org/UzbekLinux/uzbekdb-go"
"github.com/codeclysm/extract/v3"
// "github.com/klauspost/compress/zstd"
)
var _name string = filepath.Base(os.Args[0])
func GetReposUrls(destDir string) []string {
f, err := os.Open(filepath.Join(destDir, paths.ReposUrlsFile))
if err != nil {
return []string{}
}
defer f.Close()
var urls []string
scanner := bufio.NewScanner(f)
for scanner.Scan() {
urls = append(urls, scanner.Text())
}
return urls
}
func DownloadRepos(urls []string, destDir string) {
var wg sync.WaitGroup
var links []string
for _, link := range urls {
link = strings.TrimSpace(link)
if link == "" {
continue
}
links = append(links, link)
}
wg.Add(len(links))
for _, link := range links {
go func(link string) {
defer wg.Done()
archiveName := path.Base(link)
repoName := strings.TrimSuffix(archiveName, ".tar.zst")
destArchivePath := filepath.Join(destDir, "tmp", archiveName)
destNArchivePath := filepath.Join(destDir, "tmp")
destPath := filepath.Join(destDir, paths.ReposDir)
fullDestPath := filepath.Join(destDir, paths.ReposDir, repoName)
os.MkdirAll(destNArchivePath, 0755)
client := &http.Client{
Timeout: 10 * time.Second,
}
resp, err := client.Get(link)
if err != nil {
fmt.Println("!! failed to download", link, err)
return
}
defer resp.Body.Close()
f, err := os.Create(destArchivePath)
if err != nil {
fmt.Println("!! failed to create file", err)
return
}
defer f.Close()
_, err = io.Copy(f, resp.Body)
if err != nil {
fmt.Println("!! failed to copy", err)
return
}
fmt.Println(":: downloaded", archiveName, "to", destArchivePath)
err = os.RemoveAll(fullDestPath)
fmt.Println(":: removing old repo", fullDestPath)
if err != nil {
fmt.Println("w! failed to delete old repo", fullDestPath, err)
}
file, err := os.Open(destArchivePath)
if err != nil {
fmt.Println("!! failed to open archive file", destArchivePath, err)
return
}
err = extract.Zstd(context.TODO(), file, destPath, nil)
if err != nil {
fmt.Println("!! failed to extract", err)
return
}
}(link)
}
wg.Wait()
fmt.Println(":: repo updating ended")
}
func ReadInstalled(destDir string) map[interface{}][]interface{} {
installedFullPath := filepath.Join(destDir, paths.InstalledFile)
file, err := os.OpenFile(installedFullPath, os.O_RDONLY, 0644)
if err != nil {
return map[interface{}][]interface{}{}
}
defer file.Close()
text, err := io.ReadAll(file)
if err != nil {
return map[interface{}][]interface{}{}
}
data := uzbekdb.Loads(string(text), "map")
if data == nil {
return map[interface{}][]interface{}{}
}
return data.(map[interface{}][]interface{})
}
func WriteInstalled(data map[interface{}][]interface{}, destDir string) error {
installedFullPath := filepath.Join(destDir, paths.InstalledFile)
file, err := os.OpenFile(installedFullPath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
if err != nil {
return err
}
defer file.Close()
_, err = file.WriteString(uzbekdb.Dumps(data))
return err
}
func IsInstalled(name string, destDir string) bool {
data := ReadInstalled(destDir)
if !strings.Contains(name, "/") {
return false
}
_, ok := data[name]
return ok
}
func GetPackageVersion(name string, destDir string) string {
data := ReadInstalled(destDir)
alo, _ := data[name]
if len(alo) > 0 {
return alo[0].(string)
} else {
return ""
}
}
func RegPackage(name string, version string, destDir string) error {
data := ReadInstalled(destDir)
val, installed := data[name]
if installed && len(val) > 0 {
currentVersion := fmt.Sprintf("%v", val[0])
if currentVersion != version {
data[name][0] = version
}
} else {
data[name] = []interface{}{version}
}
return WriteInstalled(data, destDir)
}
func UnRegPackage(name string, destDir string) error {
data := ReadInstalled(destDir)
_, ok := data[name]
if !ok {
return fmt.Errorf("cant unregister '%s': package is not installed", name)
}
delete(data, name)
return WriteInstalled(data, destDir)
}
func PurgeRepository(name string, destDir string) error {
dirPath := filepath.Join(destDir, paths.ReposDir, name)
err := os.RemoveAll(dirPath)
if err != nil {
return err
}
return nil
}
// func Ensure(args, destDir) error {
//
// }
|