Merge pull request 'zones: fix PruneWireguardConfig recursion' (#1)

Reviewed-on: #1

cmd/jpictl/env.go

@@ -16,19 +16,10 @@ var envCmd = &cobra.Command{
 			return err
 		}
 
-		_, err = m.Env(*envExport).WriteTo(os.Stdout)
-		return err
+		return m.WriteEnv(os.Stdout)
 	},
 }
 
-// Command Flags
-var (
-	envExport *bool
-)
-
 func init() {
 	rootCmd.AddCommand(envCmd)
-
-	envExport = envCmd.PersistentFlags().BoolP("export", "e", false,
-		"export generated variables")
 }

pkg/zones/env.go

@@ -7,23 +7,8 @@ import (
 	"strings"
 )
 
-// Env is a shell environment factory for this cluster
-type Env struct {
-	ZoneIterator
-
-	export bool
-}
-
-// Env returns a shell environment factory
-func (m *Zones) Env(export bool) *Env {
-	return &Env{
-		ZoneIterator: m,
-		export:       export,
-	}
-}
-
-// WriteTo generates environment variables for shell scripts
-func (m *Env) WriteTo(w io.Writer) (int64, error) {
+// WriteEnv generates environment variables for shell scripts
+func (m *Zones) WriteEnv(w io.Writer) error {
 	var buf bytes.Buffer
 
 	m.writeEnvVarFn(&buf, genEnvZones, "ZONES")
@@ -32,10 +17,11 @@ func (m *Env) WriteTo(w io.Writer) (int64, error) {
 		return false
 	})
 
-	return buf.WriteTo(w)
+	_, err := buf.WriteTo(w)
+	return err
 }
 
-func (m *Env) writeEnvZone(w io.Writer, z *Zone) {
+func (m *Zones) writeEnvZone(w io.Writer, z *Zone) {
 	zoneID := z.ID
 
 	// ZONE{zoneID}
@@ -56,7 +42,7 @@ func (m *Env) writeEnvZone(w io.Writer, z *Zone) {
 	}
 }
 
-func (m *Env) writeEnvVarFn(w io.Writer, fn func(*Env) string, name string, args ...any) {
+func (m *Zones) writeEnvVarFn(w io.Writer, fn func(*Zones) string, name string, args ...any) {
 	var value string
 
 	if fn != nil {
@@ -66,13 +52,7 @@ func (m *Env) writeEnvVarFn(w io.Writer, fn func(*Env) string, name string, args
 	m.writeEnvVar(w, value, name, args...)
 }
 
-func (m *Env) writeEnvVar(w io.Writer, value string, name string, args ...any) {
-	var prefix string
-
-	if m.export {
-		prefix = "export "
-	}
-
+func (*Zones) writeEnvVar(w io.Writer, value string, name string, args ...any) {
 	if len(args) > 0 {
 		name = fmt.Sprintf(name, args...)
 	}
@@ -80,17 +60,15 @@ func (m *Env) writeEnvVar(w io.Writer, value string, name string, args ...any) {
 	if name != "" {
 		value = strings.TrimSpace(value)
 
-		_, _ = fmt.Fprintf(w, "%s%s=%q\n", prefix, name, value)
+		_, _ = fmt.Fprintf(w, "%s=%q\n", name, value)
 	}
 }
 
-func genEnvZones(m *Env) string {
-	var s []string
-
-	m.ForEachZone(func(z *Zone) bool {
+func genEnvZones(m *Zones) string {
+	s := make([]string, 0, len(m.Zones))
+	for _, z := range m.Zones {
 		s = append(s, fmt.Sprintf("%v", z.ID))
-		return false
-	})
+	}
 
 	return strings.Join(s, " ")
 }