Versions now allows limiting the version count

cmd/spoon/versions.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"math"
 
 	"github.com/Bios-Marcel/spoon/pkg/scoop"
 	"github.com/spf13/cobra"
@@ -24,10 +25,11 @@ func versionsCmd() *cobra.Command {
 			}
 
 			if app == nil {
-				return fmt.Errorf("app does not exist")
+				return fmt.Errorf("app '%s' does not exist", args[0])
 			}
 
-			versions, err := app.AvailableVersions()
+			count := must(cmd.Flags().GetInt("count"))
+			versions, err := app.AvailableVersionsN(count)
 			if err != nil {
 				return fmt.Errorf("error retrieving versions: %w", err)
 			}
@@ -39,5 +41,7 @@ func versionsCmd() *cobra.Command {
 		}),
 	}
 
+	cmd.Flags().IntP("count", "c", math.MaxInt32, "defines how many versions you want to fetch (impacts speed)")
+
 	return cmd
 }

pkg/scoop/scoop.go

@@ -7,6 +7,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"math"
 	"os"
 	"path/filepath"
 	"regexp"
@@ -793,6 +794,10 @@ func (scoop *Scoop) Install(apps []string, arch ArchitectureKey) error {
 var ErrBucketNoGitDir = errors.New(".git dir at path not found")
 
 func (a *App) AvailableVersions() ([]string, error) {
+	return a.AvailableVersionsN(math.MaxInt32)
+}
+
+func (a *App) AvailableVersionsN(maxVersions int) ([]string, error) {
 	repoPath, relManifestPath := git.GitPaths(a.ManifestPath())
 	if repoPath == "" || relManifestPath == "" {
 		return nil, ErrBucketNoGitDir
@@ -808,6 +813,9 @@ func (a *App) AvailableVersions() ([]string, error) {
 	iter := jsoniter.ParseBytes(jsoniter.ConfigFastest, nil)
 	var versions []string
 	for result := range resultChan {
+		if len(versions) >= maxVersions {
+			break
+		}
 		if result.Error != nil {
 			return nil, result.Error
 		}