Add --output option to search

In such way it can be parsed by scripts more easily.
It also disable the spinner based on loglevel

Fixes #92

cmd/search.go

@@ -19,14 +19,18 @@ import (
 	"os"
 	"path/filepath"
 
+	"github.com/ghodss/yaml"
 	. "github.com/mudler/luet/pkg/config"
 	installer "github.com/mudler/luet/pkg/installer"
 	. "github.com/mudler/luet/pkg/logger"
 	pkg "github.com/mudler/luet/pkg/package"
-
 	"github.com/spf13/cobra"
 )
 
+type Results struct {
+	Packages []string `json:"packages"`
+}
+
 var searchCmd = &cobra.Command{
 	Use:   "search <term>",
 	Short: "Search packages",
@@ -42,7 +46,7 @@ var searchCmd = &cobra.Command{
 	},
 	Run: func(cmd *cobra.Command, args []string) {
 		var systemDB pkg.PackageDatabase
-
+		var results Results
 		if len(args) != 1 {
 			Fatal("Wrong number of arguments (expected 1)")
 		}
@@ -53,6 +57,10 @@ var searchCmd = &cobra.Command{
 		attempts := LuetCfg.Viper.GetInt("solver.max_attempts")
 		searchWithLabel, _ := cmd.Flags().GetBool("by-label")
 		searchWithLabelMatch, _ := cmd.Flags().GetBool("by-label-regex")
+		out, _ := cmd.Flags().GetString("output")
+		if out != "terminal" {
+			LuetCfg.GetLogging().SetLogLevel("error")
+		}
 
 		LuetCfg.GetSolverOptions().Type = stype
 		LuetCfg.GetSolverOptions().LearnRate = float32(rate)
@@ -96,6 +104,7 @@ var searchCmd = &cobra.Command{
 			}
 			for _, m := range matches {
 				Info(fmt.Sprintf(":file_folder:%s", m.Repo.GetName()), fmt.Sprintf(":package:%s", m.Package.HumanReadableString()))
+				results.Packages = append(results.Packages, m.Package.HumanReadableString())
 			}
 		} else {
 
@@ -123,8 +132,25 @@ var searchCmd = &cobra.Command{
 
 			for _, pack := range iMatches {
 				Info(fmt.Sprintf(":package:%s", pack.HumanReadableString()))
+				results.Packages = append(results.Packages, pack.HumanReadableString())
 			}
+		}
 
+		y, err := yaml.Marshal(results)
+		if err != nil {
+			fmt.Printf("err: %v\n", err)
+			return
+		}
+		switch out {
+		case "yaml":
+			fmt.Println(string(y))
+		case "json":
+			j2, err := yaml.YAMLToJSON(y)
+			if err != nil {
+				fmt.Printf("err: %v\n", err)
+				return
+			}
+			fmt.Println(string(j2))
 		}
 
 	},
@@ -139,6 +165,7 @@ func init() {
 	searchCmd.Flags().String("system-target", path, "System rootpath")
 	searchCmd.Flags().Bool("installed", false, "Search between system packages")
 	searchCmd.Flags().String("solver-type", "", "Solver strategy ( Defaults none, available: "+AvailableResolvers+" )")
+	searchCmd.Flags().StringP("output", "o", "terminal", "Output format ( Defaults: terminal, available: json,yaml )")
 	searchCmd.Flags().Float32("solver-rate", 0.7, "Solver learning rate")
 	searchCmd.Flags().Float32("solver-discount", 1.0, "Solver discount rate")
 	searchCmd.Flags().Int("solver-attempts", 9000, "Solver maximum attempts")

pkg/config/config.go

@@ -307,6 +307,10 @@ func (c *LuetGeneralConfig) GetSpinnerMs() time.Duration {
 	return duration
 }
 
+func (c *LuetLoggingConfig) SetLogLevel(s string) {
+	c.Level = s
+}
+
 func (c *LuetLoggingConfig) String() string {
 	ans := fmt.Sprintf(`
 logging:

pkg/logger/logger.go

@@ -53,12 +53,20 @@ func ZapLogger() error {
 }
 
 func Spinner(i int) {
-
+	var confLevel int
+	if LuetCfg.GetGeneral().Debug {
+		confLevel = 3
+	} else {
+		confLevel = level2Number(LuetCfg.GetLogging().Level)
+	}
+	if 2 > confLevel {
+		return
+	}
 	if i > 43 {
 		i = 43
 	}
 
-	if !LuetCfg.GetGeneral().Debug && !s.Active() {
+	if !s.Active() {
 		//	s.UpdateCharSet(spinner.CharSets[i])
 		s.Start() // Start the spinner
 	}
@@ -79,9 +87,16 @@ func SpinnerText(suffix, prefix string) {
 }
 
 func SpinnerStop() {
-	if !LuetCfg.GetGeneral().Debug {
-		s.Stop()
+	var confLevel int
+	if LuetCfg.GetGeneral().Debug {
+		confLevel = 3
+	} else {
+		confLevel = level2Number(LuetCfg.GetLogging().Level)
 	}
+	if 2 > confLevel {
+		return
+	}
+	s.Stop()
 }
 
 func level2Number(level string) int {