Merge pull request 'ginie install eingeführt' (#1) from feature/install-binary-from-github into main

Reviewed-on: #1

Makefile

@@ -1,5 +1,5 @@
 BINARY=ginie
-VERSION=0.1.2
+VERSION=0.1.3
 
 build:
 	go build -o $(BINARY) ./cmd/ginie

cmd/ginie/main.go

@@ -6,6 +6,8 @@ import (
 
     "gitea.home.musaberdem.de/musabe24/ginie/internal/repos"
     "gitea.home.musaberdem.de/musabe24/ginie/internal/version"
+    "gitea.home.musaberdem.de/musabe24/ginie/internal/install"
+
 )
 
 func main() {
@@ -58,6 +60,21 @@ func main() {
         }
         return
         
+    case "install":
+	    if len(os.Args) < 3 {
+		fmt.Println("Usage: ginie install <name[:version]>")
+		return
+	    }
+	    target := os.Args[2]
+
+	    err := install.Install(target)
+	    if err != nil {
+		fmt.Println("Fehler:", err)
+		return
+	    }
+	    return
+
+
     default:
         fmt.Println("Unbekannter Befehl:", cmd)
         return

internal/install/install.go

@@ -0,0 +1,175 @@
+package install
+
+import (
+    "encoding/json"
+    "errors"
+    "fmt"
+    "io"
+    "net/http"
+    "os"
+    "os/exec"
+    "path/filepath"
+    "strings"
+
+    "gitea.home.musaberdem.de/musabe24/ginie/internal/repos"
+)
+
+type Installed struct {
+    Name      string `json:"name"`
+    Version   string `json:"version"`
+    AssetName string `json:"asset"`
+    AssetURL  string `json:"url"`
+}
+
+func configPath() (string, error) {
+    home, err := os.UserHomeDir()
+    if err != nil {
+        return "", err
+    }
+
+    dir := filepath.Join(home, ".config", "ginie")
+    os.MkdirAll(dir, 0755)
+
+    return filepath.Join(dir, "installed.json"), nil
+}
+
+func LoadInstalled() ([]Installed, error) {
+    path, _ := configPath()
+    data, err := os.ReadFile(path)
+
+    if os.IsNotExist(err) {
+        return []Installed{}, nil
+    }
+    if err != nil {
+        return nil, err
+    }
+
+    var out []Installed
+    err = json.Unmarshal(data, &out)
+    return out, err
+}
+
+func SaveInstalled(list []Installed) error {
+    path, _ := configPath()
+    data, err := json.MarshalIndent(list, "", "  ")
+    if err != nil {
+        return err
+    }
+    return os.WriteFile(path, data, 0644)
+}
+
+func parseNameVersion(input string) (name string, version string) {
+    parts := strings.Split(input, ":")
+    if len(parts) == 1 {
+        return parts[0], "" // keine Version
+    }
+    return parts[0], parts[1]
+}
+
+func Install(pkg string) error {
+    name, version := parseNameVersion(pkg)
+
+    // Repo suchen
+    all, err := repos.LoadRepos()
+    if err != nil {
+        return err
+    }
+
+    var repo repos.Repo
+    found := false
+    for _, r := range all {
+        if r.Name == name {
+            repo = r
+            found = true
+            break
+        }
+    }
+    if !found {
+        return errors.New("Repo nicht gefunden. Nutze: ginie add <URL>")
+    }
+
+    // Release-API-URL
+    api := ""
+    if version == "" {
+        api = fmt.Sprintf("https://api.github.com/repos/%s/%s/releases/latest", repo.Owner, repo.Name)
+    } else {
+        api = fmt.Sprintf("https://api.github.com/repos/%s/%s/releases/tags/%s", repo.Owner, repo.Name, version)
+    }
+
+    // API abfragen
+    resp, err := http.Get(api)
+    if err != nil {
+        return err
+    }
+    defer resp.Body.Close()
+
+    if resp.StatusCode != 200 {
+        return fmt.Errorf("GitHub API Fehler: %s", resp.Status)
+    }
+
+    var release struct {
+        TagName string `json:"tag_name"`
+        Assets  []struct {
+            Name        string `json:"name"`
+            BrowserDownloadURL string `json:"browser_download_url"`
+        } `json:"assets"`
+    }
+
+    if err := json.NewDecoder(resp.Body).Decode(&release); err != nil {
+        return err
+    }
+
+    if len(release.Assets) == 0 {
+        return errors.New("Release hat keine Assets")
+    }
+
+    // Asset-Auswahl
+    fmt.Println("Verfügbare Assets:")
+    for i, a := range release.Assets {
+        fmt.Printf("[%d] %s\n", i, a.Name)
+    }
+
+    fmt.Print("Wähle Asset-Nummer: ")
+    var choice int
+    fmt.Scan(&choice)
+
+    if choice < 0 || choice >= len(release.Assets) {
+        return errors.New("Ungültige Auswahl")
+    }
+
+    asset := release.Assets[choice]
+
+    // Datei herunterladen
+    fmt.Println("Lade herunter:", asset.Name)
+
+    out, err := os.Create(asset.Name)
+    if err != nil {
+        return err
+    }
+    defer out.Close()
+
+    dl, err := http.Get(asset.BrowserDownloadURL)
+    if err != nil {
+        return err
+    }
+    defer dl.Body.Close()
+
+    _, err = io.Copy(out, dl.Body)
+    if err != nil {
+        return err
+    }
+
+    fmt.Println("Download abgeschlossen.")
+
+    // Installation (unterstützt .deb)
+    if strings.HasSuffix(asset.Name, ".deb") {
+        fmt.Println("Installiere .deb Datei…")
+        cmd := exec.Command("sudo", "dpkg", "-i", asset.Name)
+        cmd.Stdout = os.Stdout
+        cmd.Stderr = os.Stderr
+        return cmd.Run()
+    }
+
+    return errors.New("Asset-Typ wird noch nicht unterstützt")
+}
+