/
trilium-updater.go
154 lines (130 loc) · 3.05 KB
/
trilium-updater.go
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package main
import (
"context"
"errors"
"io"
"log"
"net/http"
"os"
"runtime"
"strings"
"github.com/google/go-github/github"
"github.com/mholt/archiver"
)
// https://api.github.com/repos/zadam/trilium/releases/latest
const repoUser string = "zadam"
const repoName string = "trilium"
const path string = "../"
func main() {
log.Println("Starting Trilium updater")
platform := getPlatform()
filename, url, err := getDownloadUrl(platform)
if err != nil {
log.Fatal(err)
}
err = downloadFile(filename, url)
if err != nil {
log.Fatal(err)
}
err = unarchiveFile(filename)
if err != nil {
log.Fatal(err)
}
err = cleanup(filename)
if err != nil {
log.Fatal(err)
}
log.Println("Update successful !")
}
func getPlatform() string {
var os string
switch runtime.GOOS {
case "windows":
log.Println("Windows OS detected")
os = "windows"
case "darwin":
log.Println("macOS detected")
os = "mac"
default:
log.Println("Linux detected")
os = "linux"
}
return os
}
func getDownloadUrl(platform string) (string, string, error) {
client := github.NewClient(nil)
ctx := context.Background()
log.Println("Fetching latest release asset list...")
service, _, err := client.Repositories.GetLatestRelease(ctx, repoUser, repoName)
if err != nil {
return "", "", err
}
log.Println("Looking for relevant asset...")
var asset github.ReleaseAsset
for _, ass := range service.Assets {
if strings.HasPrefix(*ass.Name, repoName+"-"+platform) && !(strings.Contains(*ass.Name, "server")) {
asset = ass
break
}
}
if asset.Name == nil {
return "", "", errors.New("Couldn't find relevant asset")
}
log.Println("Getting download url")
_, url, err := client.Repositories.DownloadReleaseAsset(ctx, repoUser, repoName, asset.GetID())
if err != nil {
return "", "", err
}
return *asset.Name, url, nil
}
func downloadFile(filename string, url string) error {
filepath := path + filename
log.Println("Downloading " + filename + "...")
log.Println("GET Request " + url)
resp, err := http.Get(url)
if err != nil {
return err
}
defer resp.Body.Close()
log.Println("Create file " + filepath)
out, err := os.Create(filepath)
if err != nil {
return err
}
defer out.Close()
log.Println("Writing file...")
_, err = io.Copy(out, resp.Body)
if err == nil {
log.Println("Download successful !")
}
return err
}
func unarchiveFile(filename string) error {
log.Println("Detect extension...")
ar, err := archiver.ByExtension(filename)
if err != nil {
return err
}
log.Println(ar)
log.Println("Setting overwrite")
switch ar.(type) {
case *archiver.TarXz:
ar = &archiver.TarXz{Tar: &archiver.Tar{OverwriteExisting: true}}
case *archiver.Zip:
ar = &archiver.Zip{OverwriteExisting: true}
default:
return errors.New("Can't detect extension")
}
log.Println("Extracting archive...")
err = ar.(archiver.Unarchiver).Unarchive(path+filename, path)
if err == nil {
log.Println("Done !")
}
return err
}
func cleanup(filename string) error {
filepath := path + filename
log.Println("Deleting archive")
err := os.Remove(filepath)
return err
}