snr/kernel-rpi-os-32
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fetch Packages.gz file

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This commit is contained in:
oliverpool 2022-03-26 14:25:22 +01:00
parent df57394191
commit 4455c305bd
1 changed files with 11 additions and 5 deletions
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16
cmd/check-update/main.go
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@ -2,6 +2,7 @@ package main
import ( import (
"bufio" "bufio"
"compress/gzip"
"encoding/json" "encoding/json"
"errors" "errors"
"fmt" "fmt"
@ -21,15 +22,15 @@ func main() {
} }
const baseURL = "https://archive.raspberrypi.org/debian/" const baseURL = "https://archive.raspberrypi.org/debian/"
const packagesURL = baseURL + "dists/bullseye/main/binary-armhf/Packages" const packagesGzURL = baseURL + "dists/bullseye/main/binary-armhf/Packages.gz"
func run() error { func run() error {
log.Println("checking:", packagesURL) log.Println("checking:", packagesGzURL)
kernelPrefix := "Filename: pool/main/r/raspberrypi-firmware/raspberrypi-kernel_" kernelPrefix := "Filename: pool/main/r/raspberrypi-firmware/raspberrypi-kernel_"
version := "" version := ""
versionPrefix := "Version: " versionPrefix := "Version: "
found := false found := false
err := scanOnlineTextFile(packagesURL, func(s string) bool { err := fetchAndScanGzTextFile(packagesGzURL, func(s string) bool {
if strings.HasPrefix(s, versionPrefix) { if strings.HasPrefix(s, versionPrefix) {
version = s[len(versionPrefix):] version = s[len(versionPrefix):]
} }
@ -115,14 +116,19 @@ func submoduleSha(submodule string) (string, error) {
return strings.TrimSpace(string(out)), nil return strings.TrimSpace(string(out)), nil
} }
func scanOnlineTextFile(url string, stopScanning func(string) bool) error { func fetchAndScanGzTextFile(url string, stopScanning func(string) bool) error {
resp, err := http.Get(url) resp, err := http.Get(url)
if err != nil { if err != nil {
return err return err
} }
defer resp.Body.Close() defer resp.Body.Close()
scanner := bufio.NewScanner(resp.Body) unzipped, err := gzip.NewReader(resp.Body)
if err != nil {
return err
}
scanner := bufio.NewScanner(unzipped)
for scanner.Scan() { for scanner.Scan() {
if stopScanning(scanner.Text()) { if stopScanning(scanner.Text()) {
break break